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blue-500

#2b7fff

Tailwind CSS v4.3.3 blue-500 is oklch(62.3% 0.214 259.815) in OKLCH, the format Tailwind uses, and #2b7fff in HEX.

Class
OKLCH
HEX
RGB
HSL
CSS
Open #2b7fff in the pickerCheck contrast

Classes

Click to copy. Add /50 for 50% opacity, for example bg-blue-500/50.

Text on blue-500

  • Aawhite3.76:1Hard to read
  • Aablack5.58:1Readable · AA
  • Aablue-9503.91:1Hard to read

Most readable text from the blue scale: blue-950

Tailwind blue scale

  1. 50
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  6. 500
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  10. 900
  11. 950

Step 500 in other Tailwind colors

Questions and answers

What is the hex code of Tailwind blue-500?

blue-500 is #2b7fff in HEX, rgb(43 127 255) in RGB and oklch(62.3% 0.214 259.815) in OKLCH. Tailwind CSS v4.3.3 defines its colors in OKLCH, so the HEX value is the closest sRGB match.

Is Tailwind blue-500 accessible for text?

White text on blue-500 has a contrast ratio of 3.76:1 and black text 5.58:1. WCAG AA needs 4.5:1 for normal text and 3:1 for large text, so black text is the better choice here.

How do I use blue-500 in Tailwind CSS?

Add bg-blue-500, text-blue-500 or border-blue-500 to an element. In your own CSS use var(--color-blue-500), the CSS variable Tailwind v4 creates for every color.