#ff0137

Color #ff0137

A vivid, highly saturated medium red.

Closest named color Crimson #dc143c · ΔE 16.95 Nearest Tailwind class red-500 #fb2c36 · ΔE 2.6

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#ff0137

RGB

rgb(255, 1, 55)

HSL

hsl(347.2, 100%, 50.2%)

HSV / HSB

hsv(347.2, 99.6%, 100%)

CMYK

cmyk(0%, 99.6%, 78.4%, 0%)

LAB

lab(53.56, 80.84, 45.7)

LCH

lch(53.56, 92.86, 29.48)

OKLCH

oklch(63.1%, 0.2545, 22.85)

HWB

hwb(347.2, 0.4%, 0%)

Harmony colors

Complementary

#01ffc9

Analogous

#ff01b6

#ff0137

#ff4a01

Triadic

#ff0137

#37ff01

#0137ff

Split-complementary

#ff0137

#01ff4a

#01b6ff

Tetradic

#ff0137

#ffc901

#01ffc9

#0137ff

Square

#ff0137

#b6ff01

#01ffc9

#4a01ff

Shades

Color #ff0137 mixed toward black.

#d5002e

#ab0024

#80001b

#550012

#2b0009

Tints

Color #ff0137 mixed toward white.

#ff2b59

#ff567a

#ff809b

#ffaabc

#ffd5de

Tones

Color #ff0137 mixed toward gray.

#ea1643

#d52b4f

#c0415c

#aa5668

#956b74

Accessibility

Aa White text on this color

3.95:1

Aa Black text on this color

5.31:1

Black text reads better on this background (5.31:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#c6c530 · ΔE 59.8

Deuteranopia

#cfda2e · ΔE 65.3

Tritanopia

#f92927 · ΔE 5.1

Achromatopsia

#808080 · ΔE 30.1

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

Code

CSS

background-color: #ff0137;

Tailwind (arbitrary value)

bg-[#ff0137]

Related colors

Crimson #dc143c

Pink #ffc0cb

Light Pink #ffb6c1

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#ff0137 (#ff0137) is rgb(255, 1, 55) in RGB.

No, #ff0137 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 #ff0137, or check how it holds up for accessibility.

Generate a palette → Check contrast