#B55631#B55631

#B55631 is a mid, vivid orange. Relative luminance 0.167; OKLCH L 56.4% C 0.134 H 41.0°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#B55631
RGB	rgb(181, 86, 49)
HSL	hsl(17, 57%, 45%)
HSV	hsv(17, 73%, 71%)
CMYK	cmyk(0%, 52.5%, 72.9%, 29%)
CIE-LAB	lab(47.88, 35.94, 38.90)
CIE-LCH	lch(47.88, 52.97, 47.27°)
OKLab	oklab(56.42% 0.1009 0.0876)
OKLCH	oklch(56.42% 0.134 41)
XYZ	xyz(22.9404, 16.7039, 4.9213)
Luminance	0.1670 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55631 #3190B5

analogous

#B5314E #B55631 #B59831

triadic

#B55631 #31B556 #5631B5

tetradic

#B55631 #4EB531 #3190B5 #9831B5

square

#B55631 #4EB531 #3190B5 #9831B5

split-complementary

#B55631 #31B598 #314EB5

monochromatic

#552817 #853F24 #B55631 #D07653 #DD9C83

Accessibility & contrast

On white

4.84

#B55631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#B55631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55631

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55631	#FFFFFF	#000000	##FFFFFF
##B55631	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70652D

Deuteranopia (green-blind)

#877A2F

Tritanopia (blue-blind)

#C6424E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b55631;
/* rgb */ color: rgb(181, 86, 49);
/* oklch */ color: oklch(56.4% 0.134 41.0);

Tailwind

colors: {
  custom: {
    50: '#d2886b',
    500: '#b55631',
    950: '#000000',
  },
}

SCSS

$custom: #b55631;
$custom-light: #d2886b;
$custom-dark: #000000;

JSON

{
  "hex": "#b55631",
  "rgb": {
    "r": 181,
    "g": 86,
    "b": 49
  },
  "hsl": {
    "h": 16.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.56424,
    "c": 0.13365,
    "h": 41
  },
  "luminance": 0.16701
}

Semantic roles & 50–950 ramp

primary

#B55631

secondary

#7BB2C7

accent

#B6E147

background

#FDF8F6

surface

#FBF0EB

border

#D4CBC6

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B55631

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

Preview Lab → · Contrast checker → · Palette generator →