Design System Color Reference

Tailwind Blue 500 Color Code

Tailwind Blue 500·#3B82F6

Blue FamilyCoolMid toneHigh saturationoklch(62.3% 0.188 260)
HEX
#3B82F6Primary token
RGB
rgb(59, 130, 246)Screen values
HSL
hsl(217 91% 60%)Hue and lightness
CMYK
76, 47, 0, 4Print handoff
LAB
56, 18, -64Perceptual reference
OKLCH
oklch(62.3% 0.188 260)Modern perceptual

Tailwind Blue 500 is the core published blue in the Tailwind CSS palette at #3B82F6. Use it when you need a familiar utility-first product blue for buttons, links, dashboards, and modern web interfaces built around Tailwind conventions.

Best text colorDark text
Body text contrast4.66:1
Best UseUtility-first product UI, modern CTAs, and Tailwind-based systems

Tonal Scale

100#DCE9FD
300#A5C6FB
500#5E99F8
600#3B82F6
800#2A5EB1

Contrast Checks

White text on this color

Buttons, badges, and filled actions.

3.68:1Large text / UI only

Dark text on this color

Large headings and selective UI.

4.66:1Safe for body text

This color on light surface

Links, borders, and icons on light UI.

3.49:1Large text / UI only
Best text colorDark textContrast 4.66:1

Professional Reference

OKLCHoklch(62.3% 0.188 260)
Relative Luminance0.2355
Source TypeDesign System Color
Classification
Blue FamilyCoolMid toneHigh saturation
Source Context
Source Type
Design System Color
System
Tailwind
Step
500
System Role
  • Usually the base brand or product token in a design system.
Closest Matches
Material Blue A200Ant Design Geekblue 5Dodger Blue

Accessibility Matrix

White text on this color

White text placed on the current color.

3.68:1Large text / UI only

Dark text on this color

Dark text or headings on the current color.

4.66:1AA

This color on light surface

Use this color for links, strokes, or icons on light UI.

3.49:1Large text / UI only

This color on dark surface

Use this color inside dark shells for strokes, tags, or icons.

4.66:1AA
Best text colorDark textContrast 4.66:1 · AA

Where It Works

  • Buttons, links, dashboards, and utility-first accents.
  • Core Tailwind blue for modern web UI.
  • Pairs with white, slate neutrals, and darker Tailwind blues.

Reference Notes

Last Updated
2026-06-09
Source Library
Tailwind CSS Colors
Methodology
Verified source values + site guidance
Color Notes

Tailwind Blue 500 is sourced from the published Tailwind CSS Colors library and retained here as a searchable reference swatch for product, interface, and branding work.

Hue Family

Trust-building blues for enterprise and SaaS.

Source Collections
Design System Palettes

Related Colors

Palette Starting Points

Implementation Snippets

CSS Variables
:root {
  --color-tailwind-blue-500: #3B82F6;
  --color-tailwind-blue-500-rgb: 59 130 246;
}
Utility Class
class="bg-[#3B82F6] text-white"
class="hover:bg-[#2A5EB1] ring-1 ring-[#3B82F6]"
JSON Token
{
  "tailwindBlue-500": "#3B82F6",
  "tailwindBlue-500Rgb": [59, 130, 246],
  "tailwindBlue-500Hsl": [217, 91, 60]
}