What Is an Accent Color in Web Design? How to Use It Where You Want to Draw Attention

In web design, an accent color is a color used to draw attention to selected actions or important information. The aim is not to make as many elements vivid as possible. Deciding where not to use the accent is equally important. Using a community running event registration page, this guide explains how to separate the entry button, deadline notice, and supporting links into different visual roles.

Use an Accent Color Where Visitors Need to Look First

A base color supports broad surfaces such as page backgrounds, while a main color helps organize headings and information panels. An accent color serves a narrower purpose: directing attention toward the next action. On a running event page, “Enter the event” might be the most important button after visitors have read about the race categories, meeting place, and schedule. Identify the primary goal of the screen before choosing the accent itself.

The accent does not have to be red or orange. Blue or green can work when they are clearly distinguishable from the surroundings. Coloring every heading, link, and border with the accent makes it harder to tell what really matters. Use the button’s shape, wording, and placement as additional cues to its purpose, rather than depending on color alone.

Reserve the Accent for Specific Places on a Running Event Page

This example separates the main background, race information panels, and registration action. The colors are shown as HEX codes, hexadecimal values used to specify colors on the web. A contrast ratio expresses the difference in relative luminance, or lightness, between two adjacent colors.

Concentrate the Accent on the Main Entry Button

Use light gray ■#F5F7F6 for the page background and dark gray ■#26353C for body text. The text-to-background contrast ratio is approximately 11.78:1. For section headings, use deep blue-gray ■#244C60, which has approximately 8.57:1 contrast against the same page background ■#F5F7F6.

For the primary “Enter the event” button, choose a deep reddish orange ■#A84725 with white lettering ■#FFFFFF. The text-to-button contrast ratio is approximately 5.84:1; the button fill contrasts with the light gray page background ■#F5F7F6 at approximately 5.43:1. Keeping the large surfaces quiet allows this single action to carry the stronger color.

Use the Same Accent Sparingly for a Deadline

For race information, use a pale blue-gray panel ■#E7F0F1 with dark gray explanations ■#26353C. The text contrasts with the panel at approximately 10.94:1. In a hypothetical notice such as “Entry deadline: November 20,” highlight only the deadline text in reddish orange ■#A84725. It has approximately 5.05:1 contrast against that pale blue-gray background ■#E7F0F1. Include the words “Entry deadline” and the date so the information is never conveyed by color alone.

By limiting the accent to the registration button and a small number of important details, ordinary descriptions and photos can retain their own colors. A real event page should always use its actual dates and registration information rather than the hypothetical date in this example.

Give Supporting Links and Card Boundaries Different Roles

Show “View course details” as an underlined deep blue ■#245A74 text link. Against the pale information background ■#E7F0F1, its contrast ratio is approximately 6.50:1. If a registration-option card is white ■#FFFFFF, its contrast with the surrounding blue-gray ■#E7F0F1 is only approximately 1.16:1. When the entire card is selectable, a gray-blue border ■#6B8188 can define its edges: approximately 4.10:1 against the white card ■#FFFFFF and 3.54:1 against the outer blue-gray ■#E7F0F1.

Mark selected cards with words such as “Selected” or a checkmark as well. If a race is closed to new entries, state “Registration closed” explicitly instead of reusing the accent as the only indicator of status.

If the Accent Is Hard to See, Review Its Background and Placement First

A pale orange ■#E7A887 on the light gray page ■#F5F7F6 has only approximately 1.89:1 contrast between the two fills. White lettering ■#FFFFFF on that pale orange reaches only approximately 2.03:1. Choosing a deeper reddish orange can improve the distinction between the button and both its lettering and surrounding surface without adding another accent color.

Even the deeper accent ■#A84725 would have only approximately 1.58:1 contrast if placed directly on a deep blue-gray information band ■#244C60. In that setting, move the button onto a lighter surface or add a sufficiently visible boundary. Before adding more colors, check whether the main action is easy to locate from its size, placement, and wording.

For hover, when a mouse pointer rests over the button, you could darken it to reddish brown ■#8B341D. White lettering ■#FFFFFF then provides approximately 8.06:1 contrast. For focus, when the button is the current target of keyboard or similar interaction, an offset dark blue outline ■#214860 is one option. It contrasts with the light gray page ■#F5F7F6 at approximately 9.03:1 and with the blue-gray panel ■#E7F0F1 at approximately 8.39:1.

Under WCAG 2.2 (Web Content Accessibility Guidelines) Level AA, normal-sized text generally needs at least 4.5:1 contrast against its background, and qualifying large text needs at least 3:1. Essential non-text information needed to identify controls requires at least 3:1 against adjacent colors. HueRoll can show contrast between a selected color and white or black, but combinations with arbitrary background colors must be checked separately. Review accent placement, text, and interaction states on an actual phone as well.