#B55737#B55737

#B55737 is a mid, vivid orange. Relative luminance 0.169; OKLCH L 56.7% C 0.131 H 39.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#B55737
RGB	rgb(181, 87, 55)
HSL	hsl(15, 53%, 46%)
HSV	hsv(15, 70%, 71%)
CMYK	cmyk(0%, 51.9%, 69.6%, 29%)
CIE-LAB	lab(48.16, 35.74, 35.98)
CIE-LCH	lch(48.16, 50.71, 45.19°)
OKLab	oklab(56.65% 0.1014 0.0825)
OKLCH	oklch(56.65% 0.131 39.1)
XYZ	xyz(23.1560, 16.9188, 5.6599)
Luminance	0.1692 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55737 #3795B5

analogous

#B53756 #B55737 #B59637

triadic

#B55737 #37B557 #5737B5

tetradic

#B55737 #56B537 #3795B5 #9637B5

square

#B55737 #56B537 #3795B5 #9637B5

split-complementary

#B55737 #37B596 #3756B5

monochromatic

#572A1A #864029 #B55737 #CD795C #DC9F8B

Accessibility & contrast

On white

4.79

#B55737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#B55737 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55737

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55737	#FFFFFF	#000000	##FFFFFF
##B55737	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706634

Deuteranopia (green-blind)

#877A35

Tritanopia (blue-blind)

#C64450

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b55737;
/* rgb */ color: rgb(181, 87, 55);
/* oklch */ color: oklch(56.7% 0.131 39.1);

Tailwind

colors: {
  custom: {
    50: '#d1886f',
    500: '#b55737',
    950: '#000000',
  },
}

SCSS

$custom: #b55737;
$custom-light: #d1886f;
$custom-dark: #000000;

JSON

{
  "hex": "#b55737",
  "rgb": {
    "r": 181,
    "g": 87,
    "b": 55
  },
  "hsl": {
    "h": 15.238,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56654,
    "c": 0.13066,
    "h": 39.1
  },
  "luminance": 0.16916
}

Semantic roles & 50–950 ramp

primary

#B55737

secondary

#82B5C6

accent

#B8DD4B

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B55737

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

Preview Lab → · Contrast checker → · Palette generator →