#f55139

Color #f55139

A vivid, highly saturated medium red.

Closest named color Tomato #ff6347 · ΔE 6.05 Nearest Tailwind class red-500 #fb2c36 · ΔE 5.6

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

Conversions

HEX

#f55139

RGB

rgb(245, 81, 57)

HSL

hsl(7.7, 90.4%, 59.2%)

HSV / HSB

hsv(7.7, 76.7%, 96.1%)

CMYK

cmyk(0%, 66.9%, 76.7%, 3.9%)

LAB

lab(57.65, 61.36, 48.29)

LCH

lch(57.65, 78.08, 38.2)

OKLCH

oklch(65.8%, 0.2042, 31.24)

HWB

hwb(7.7, 22.4%, 3.9%)

Harmony colors

Complementary

#39ddf5

Analogous

#f5397f

#f55139

#f5af39

Triadic

#f55139

#39f551

#5139f5

Split-complementary

#f55139

#39f5af

#397ff5

Tetradic

#f55139

#ddf539

#39ddf5

#5139f5

Square

#f55139

#7ff539

#39ddf5

#af39f5

Shades

Color #f55139 mixed toward black.

#f0290c

#c0210a

#901907

#601105

#300802

Tints

Color #f55139 mixed toward white.

#f76e5a

#f88b7b

#faa89c

#fcc5bd

#fde2de

Tones

Color #f55139 mixed toward gray.

#e55d49

#d66858

#c67468

#b68078

#a78b87

Accessibility

Aa White text on this color

3.43:1

Aa Black text on this color

6.12:1

Black text reads better on this background (6.12:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#c4c340 · ΔE 49.8

Deuteranopia

#ccd541 · ΔE 54.5

Tritanopia

#f04546 · ΔE 5.8

Achromatopsia

#8a8a8a · ΔE 28.4

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

Code

CSS

background-color: #f55139;

Tailwind (arbitrary value)

bg-[#f55139]

Related colors

Tomato #ff6347

Salmon #fa8072

Misty Rose #ffe4e1

Dark Salmon #e9967a

Red #ff0000

Maroon #800000

Frequently asked questions

#f55139 (#f55139) is rgb(245, 81, 57) in RGB.

No, #f55139 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #f55139, or check how it holds up for accessibility.

Generate a palette → Check contrast