#B53E22#B53E22

#B53E22 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.160 H 34.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B53E22
RGB	rgb(181, 62, 34)
HSL	hsl(11, 68%, 42%)
HSV	hsv(11, 81%, 71%)
CMYK	cmyk(0%, 65.7%, 81.2%, 29%)
CIE-LAB	lab(43.34, 46.82, 41.99)
CIE-LCH	lch(43.34, 62.89, 41.88°)
OKLab	oklab(52.94% 0.1317 0.0903)
OKLCH	oklch(52.94% 0.16 34.5)
XYZ	xyz(21.0698, 13.3876, 2.9877)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E22 #2299B5

analogous

#B5224F #B53E22 #B58822

triadic

#B53E22 #22B53E #3E22B5

tetradic

#B53E22 #4FB522 #2299B5 #8822B5

square

#B53E22 #4FB522 #2299B5 #8822B5

split-complementary

#B53E22 #22B588 #224FB5

monochromatic

#4E1B0F #812C18 #B53E22 #DA593A #E4846E

Accessibility & contrast

On white

5.71

#B53E22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B53E22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E22

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E22	#FFFFFF	#000000	##FFFFFF
##B53E22	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60561E

Deuteranopia (green-blind)

#7E701D

Tritanopia (blue-blind)

#C71B39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53e22;
/* rgb */ color: rgb(181, 62, 34);
/* oklch */ color: oklch(52.9% 0.160 34.5);

Tailwind

colors: {
  custom: {
    50: '#d4795f',
    500: '#b53e22',
    950: '#000000',
  },
}

SCSS

$custom: #b53e22;
$custom-light: #d4795f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e22",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 34
  },
  "hsl": {
    "h": 11.429,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52938,
    "c": 0.15967,
    "h": 34.5
  },
  "luminance": 0.13384
}

Semantic roles & 50–950 ramp

primary

#B53E22

secondary

#69B8CA

accent

#CAEB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B53E22

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →