#ff381f

Color #ff381f

A vivid, highly saturated medium red.

Closest named color Orange Red #ff4500 · ΔE 10.17 Nearest Tailwind class orange-600 #f54900 · ΔE 5.8

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

Conversions

HEX

#ff381f

RGB

rgb(255, 56, 31)

HSL

hsl(6.7, 100%, 56.1%)

HSV / HSB

hsv(6.7, 87.8%, 100%)

CMYK

cmyk(0%, 78%, 87.8%, 0%)

LAB

lab(56.28, 72, 59.8)

LCH

lch(56.28, 93.6, 39.71)

OKLCH

oklch(65.1%, 0.2359, 30.88)

HWB

hwb(6.7, 12.2%, 0%)

Harmony colors

Complementary

#1fe6ff

Analogous

#ff1f76

#ff381f

#ffa81f

Triadic

#ff381f

#1fff38

#381fff

Split-complementary

#ff381f

#1fffa8

#1f76ff

Tetradic

#ff381f

#e6ff1f

#1fe6ff

#381fff

Square

#ff381f

#76ff1f

#1fe6ff

#a81fff

Shades

Color #ff381f mixed toward black.

#ee1b00

#bf1500

#8f1000

#5f0b00

#300500

Tints

Color #ff381f mixed toward white.

#ff5944

#ff7a6a

#ff9c8f

#ffbdb4

#ffdeda

Tones

Color #ff381f mixed toward gray.

#ec4732

#da5544

#c76457

#b4726a

#a2817c

Accessibility

Aa White text on this color

3.6:1

Aa Black text on this color

5.84:1

Black text reads better on this background (5.84:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#c9c827 · ΔE 53.7

Deuteranopia

#d1db28 · ΔE 58.4

Tritanopia

#fa2c2d · ΔE 4.3

Achromatopsia

#878787 · ΔE 30.2

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

Code

CSS

background-color: #ff381f;

Tailwind (arbitrary value)

bg-[#ff381f]

Related colors

Salmon #fa8072

Misty Rose #ffe4e1

Tomato #ff6347

Red #ff0000

Maroon #800000

Black #000000

Frequently asked questions

#ff381f (#ff381f) is rgb(255, 56, 31) in RGB.

No, #ff381f 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 #ff381f, or check how it holds up for accessibility.

Generate a palette → Check contrast