#ff251a

Color #ff251a

A vivid, highly saturated medium red.

Closest named color Red #ff0000 · ΔE 7.74 Nearest Tailwind class red-500 #fb2c36 · ΔE 5.2

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Conversions

HEX

#ff251a

RGB

rgb(255, 37, 26)

HSL

hsl(2.9, 100%, 55.1%)

HSV / HSB

hsv(2.9, 89.8%, 100%)

CMYK

cmyk(0%, 85.5%, 89.8%, 0%)

LAB

lab(54.73, 76.27, 60.64)

LCH

lch(54.73, 97.44, 38.49)

OKLCH

oklch(63.9%, 0.2467, 29.27)

HWB

hwb(2.9, 10.2%, 0%)

Harmony colors

Complementary

#1af4ff

Analogous

#ff1a81

#ff251a

#ff981a

Triadic

#ff251a

#1aff25

#251aff

Split-complementary

#ff251a

#1aff98

#1a81ff

Tetradic

#ff251a

#f4ff1a

#1af4ff

#251aff

Square

#ff251a

#81ff1a

#1af4ff

#981aff

Shades

Color #ff251a mixed toward black.

#ea0b00

#bb0900

#8d0700

#5e0500

#2f0200

Tints

Color #ff251a mixed toward white.

#ff4940

#ff6e66

#ff928d

#ffb6b3

#ffdbd9

Tones

Color #ff251a mixed toward gray.

#ec362d

#d94840

#c65953

#b36a66

#a07b79

Accessibility

Aa White text on this color

3.8:1

Aa Black text on this color

5.53:1

Black text reads better on this background (5.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#c8c61d · ΔE 55.3

Deuteranopia

#d0db1e · ΔE 60.7

Tritanopia

#f91f20 · ΔE 2.1

Achromatopsia

#838383 · ΔE 30.5

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #ff251a;

Tailwind (arbitrary value)

bg-[#ff251a]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#ff251a (#ff251a) is rgb(255, 37, 26) in RGB.

No, #ff251a is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #ff251a, or check how it holds up for accessibility.

Generate a palette → Check contrast