#e53737

Color #e53737

A vivid, highly saturated medium red.

Closest named color Crimson #dc143c · ΔE 10.91 Nearest Tailwind class red-500 #fb2c36 · ΔE 3.8

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

Conversions

HEX

#e53737

RGB

rgb(229, 55, 55)

HSL

hsl(0, 77%, 55.7%)

HSV / HSB

hsv(0, 76%, 89.8%)

CMYK

cmyk(0%, 76%, 76%, 10.2%)

LAB

lab(51.46, 65.44, 41.94)

LCH

lch(51.46, 77.73, 32.66)

OKLCH

oklch(60.7%, 0.2102, 26.16)

HWB

hwb(0, 21.6%, 10.2%)

Harmony colors

Complementary

#37e5e5

Analogous

#e5378e

#e53737

#e58e37

Triadic

#e53737

#37e537

#3737e5

Split-complementary

#e53737

#37e58e

#378ee5

Tetradic

#e53737

#e5e537

#37e5e5

#3737e5

Square

#e53737

#8ee537

#37e5e5

#8e37e5

Shades

Color #e53737 mixed toward black.

#d21b1b

#a81616

#7e1010

#540b0b

#2a0505

Tints

Color #e53737 mixed toward white.

#e95858

#ee7a7a

#f29b9b

#f6bcbc

#fbdede

Tones

Color #e53737 mixed toward gray.

#d74646

#c85454

#ba6363

#ab7171

#9d8080

Accessibility

Aa White text on this color

4.26:1

Aa Black text on this color

4.93:1

Black text reads better on this background (4.93:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#b5b437 · ΔE 52.9

Deuteranopia

#bcc537 · ΔE 57.8

Tritanopia

#e03737 · ΔE 1

Achromatopsia

#7b7b7b · ΔE 28.4

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

Code

CSS

background-color: #e53737;

Tailwind (arbitrary value)

bg-[#e53737]

Related colors

Red #ff0000

Maroon #800000

Black #000000

Brown #a52a2a

Dark Gray #a9a9a9

Dark Red #8b0000

Frequently asked questions

#e53737 (#e53737) is rgb(229, 55, 55) in RGB.

No, #e53737 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 #e53737, or check how it holds up for accessibility.

Generate a palette → Check contrast