#ff042f

Color #ff042f

A vivid, highly saturated medium red.

Closest named color Red #ff0000 · ΔE 17.19 Nearest Tailwind class red-500 #fb2c36 · ΔE 1.7

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

Conversions

HEX

#ff042f

RGB

rgb(255, 4, 47)

HSL

hsl(349.7, 100%, 50.8%)

HSV / HSB

hsv(349.7, 98.4%, 100%)

CMYK

cmyk(0%, 98.4%, 81.6%, 0%)

LAB

lab(53.56, 80.43, 50.02)

LCH

lch(53.56, 94.72, 31.88)

OKLCH

oklch(63.1%, 0.2545, 24.47)

HWB

hwb(349.7, 1.6%, 0%)

Harmony colors

Complementary

#04ffd4

Analogous

#ff04ad

#ff042f

#ff5604

Triadic

#ff042f

#2fff04

#042fff

Split-complementary

#ff042f

#04ff56

#04adff

Tetradic

#ff042f

#ffd404

#04ffd4

#042fff

Square

#ff042f

#adff04

#04ffd4

#5604ff

Shades

Color #ff042f mixed toward black.

#d80025

#ad001e

#820016

#56000f

#2b0007

Tints

Color #ff042f mixed toward white.

#ff2e52

#ff5874

#ff8297

#ffabba

#ffd5dc

Tones

Color #ff042f mixed toward gray.

#ea193d

#d52e4b

#c04358

#ab5866

#966d74

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

#c6c529 · ΔE 59

Deuteranopia

#cfda27 · ΔE 64.5

Tritanopia

#f92321 · ΔE 3.9

Achromatopsia

#808080 · ΔE 30.3

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

Code

CSS

background-color: #ff042f;

Tailwind (arbitrary value)

bg-[#ff042f]

Related colors

Pink #ffc0cb

Light Pink #ffb6c1

Crimson #dc143c

Pale Violet Red #db7093

Lavender Blush #fff0f5

Hot Pink #ff69b4

Frequently asked questions

#ff042f (#ff042f) is rgb(255, 4, 47) in RGB.

No, #ff042f 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 #ff042f, or check how it holds up for accessibility.

Generate a palette → Check contrast