#B55931#B55931

#B55931 is a mid, vivid orange. Relative luminance 0.172; OKLCH L 56.9% C 0.131 H 42.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#B55931
RGB	rgb(181, 89, 49)
HSL	hsl(18, 57%, 45%)
HSV	hsv(18, 73%, 71%)
CMYK	cmyk(0%, 50.8%, 72.9%, 29%)
CIE-LAB	lab(48.50, 34.38, 39.58)
CIE-LCH	lch(48.50, 52.43, 49.02°)
OKLab	oklab(56.9% 0.0961 0.0891)
OKLCH	oklch(56.9% 0.131 42.8)
XYZ	xyz(23.1850, 17.1931, 5.0028)
Luminance	0.1719 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55931 #318DB5

analogous

#B5314B #B55931 #B59B31

triadic

#B55931 #31B559 #5931B5

tetradic

#B55931 #4BB531 #318DB5 #9B31B5

square

#B55931 #4BB531 #318DB5 #9B31B5

split-complementary

#B55931 #31B59B #314BB5

monochromatic

#552A17 #854124 #B55931 #D07953 #DD9E83

Accessibility & contrast

On white

4.73

#B55931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#B55931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55931

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55931	#FFFFFF	#000000	##FFFFFF
##B55931	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#72672C

Deuteranopia (green-blind)

#897B2F

Tritanopia (blue-blind)

#C64650

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #b55931;
/* rgb */ color: rgb(181, 89, 49);
/* oklch */ color: oklch(56.9% 0.131 42.8);

Tailwind

colors: {
  custom: {
    50: '#d18a6b',
    500: '#b55931',
    950: '#000000',
  },
}

SCSS

$custom: #b55931;
$custom-light: #d18a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#b55931",
  "rgb": {
    "r": 181,
    "g": 89,
    "b": 49
  },
  "hsl": {
    "h": 18.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56895,
    "c": 0.13106,
    "h": 42.8
  },
  "luminance": 0.1719
}

Semantic roles & 50–950 ramp

primary

#B55931

secondary

#7BB0C7

accent

#B2E147

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150C07

muted

#837D7A

Preview Lab

Preview with #B55931

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

Preview Lab → · Contrast checker → · Palette generator →