What is the hex code for Red?

Red is #FF0000 (oklch(0.628 0.258 29.2) in OKLCH, Lab 54.29 80.80 69.89).

Is Red readable on white?

Against white, Red measures 4.00:1 WCAG (Fail) and APCA Lc 64. Against #0F172A: 4.46:1, Fail.

How do I use Red in Colorise Pro?

Open Red in the Colorise Pro color picker for harmonies, or seed Studio with #FF0000 to grow a full OKLCH token ramp.

Named color · #FF0000

Red

#FF0000

oklch(0.628 0.258 29.2)

Lab 54.29 80.80 69.89

HEX

#FF0000

OKLCH

oklch(0.628 0.258 29.2)

CIE Lab

54.29 80.80 69.89

RGB

255 0 0

Open in Picker Open in Studio Check contrast All color codes

Readability

On white

4.00:1 · Lc 64

Fail

On #0F172A

4.46:1 · Lc 36

Fail

Nearest named siblings

Closest dictionary entries by perceptual Lab distance.

About Red

Red sits at oklch(0.628 0.258 29.2) in OKLCH — lightness, chroma, and hue expressed perceptually — and #FF0000 in sRGB. Use it as a seed in Colorise Pro Studio to grow a token ramp, or send it to the picker to explore harmonies and scales. Browse more named colors in the color names directory.

FAQ

What is the hex code for Red?: #FF0000 — also oklch(0.628 0.258 29.2) and Lab 54.29 80.80 69.89.
Can I use Red for text on white?: On white: 4.00:1 (Fail), APCA Lc 64. On dark ink: 4.46:1 (Fail). Check pairs in the contrast tool.

Named color · #FF0000

Red

#FF0000

oklch(0.628 0.258 29.2)

Lab 54.29 80.80 69.89

HEX

#FF0000

OKLCH

oklch(0.628 0.258 29.2)

CIE Lab

54.29 80.80 69.89

RGB

255 0 0

Open in Picker Open in Studio Check contrast All color codes

Readability

On white

4.00:1 · Lc 64

Fail

On #0F172A

4.46:1 · Lc 36

Fail

Nearest named siblings

Closest dictionary entries by perceptual Lab distance.

About Red

FAQ

What is the hex code for Red?: #FF0000 — also oklch(0.628 0.258 29.2) and Lab 54.29 80.80 69.89.
Can I use Red for text on white?: On white: 4.00:1 (Fail), APCA Lc 64. On dark ink: 4.46:1 (Fail). Check pairs in the contrast tool.