#b52f00

Color #b52f00

A vivid, highly saturated dark orange.

Closest named color Firebrick #b22222 · ΔE 16.27 Nearest Tailwind class orange-800 #9f2d00 · ΔE 4.4

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

Conversions

HEX

#b52f00

RGB

rgb(181, 47, 0)

HSL

hsl(15.6, 100%, 35.5%)

HSV / HSB

hsv(15.6, 100%, 71%)

CMYK

cmyk(0%, 74%, 100%, 29%)

LAB

lab(40.99, 52.11, 53.36)

LCH

lch(40.99, 74.58, 45.68)

OKLCH

oklch(51.1%, 0.1767, 35.62)

HWB

hwb(15.6, 0%, 29%)

Harmony colors

Complementary

#0086b5

Analogous

#b5002b

#b52f00

#b58a00

Triadic

#b52f00

#00b52f

#2f00b5

Split-complementary

#b52f00

#00b58a

#002bb5

Tetradic

#b52f00

#86b500

#0086b5

#2f00b5

Square

#b52f00

#2bb500

#0086b5

#8a00b5

Shades

Color #b52f00 mixed toward black.

#972700

#791f00

#5b1800

#3c1000

#1e0800

Tints

Color #b52f00 mixed toward white.

#ec3d00

#ff5d24

#ff855b

#ffae91

#ffd6c8

Tones

Color #b52f00 mixed toward gray.

#a6360f

#973e1e

#88452d

#794c3c

#6a534b

Accessibility

Aa White text on this color

6.23:1

Aa Black text on this color

3.37:1

White text reads better on this background (6.23:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#8f8e14 · ΔE 43.5

Deuteranopia

#959c17 · ΔE 48.1

Tritanopia

#b11d1f · ΔE 8.6

Achromatopsia

#616161 · ΔE 27.9

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

Code

CSS

background-color: #b52f00;

Tailwind (arbitrary value)

bg-[#b52f00]

Related colors

Dark Salmon #e9967a

Coral #ff7f50

Orange Red #ff4500

Light Salmon #ffa07a

Sienna #a0522d

Tomato #ff6347

Frequently asked questions

#b52f00 (#b52f00) is rgb(181, 47, 0) in RGB.

No, #b52f00 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 #b52f00, or check how it holds up for accessibility.

Generate a palette → Check contrast