#B55537#B55537

#B55537 is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.3% C 0.133 H 37.9°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#B55537
RGB	rgb(181, 85, 55)
HSL	hsl(14, 53%, 46%)
HSV	hsv(14, 70%, 71%)
CMYK	cmyk(0%, 53%, 69.6%, 29%)
CIE-LAB	lab(47.75, 36.77, 35.51)
CIE-LCH	lch(47.75, 51.12, 44.00°)
OKLab	oklab(56.34% 0.1045 0.0814)
OKLCH	oklch(56.34% 0.133 37.9)
XYZ	xyz(22.9963, 16.5994, 5.6067)
Luminance	0.1660 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55537 #3797B5

analogous

#B53758 #B55537 #B59437

triadic

#B55537 #37B555 #5537B5

tetradic

#B55537 #58B537 #3797B5 #9437B5

square

#B55537 #58B537 #3797B5 #9437B5

split-complementary

#B55537 #37B594 #3758B5

monochromatic

#57291A #863F29 #B55537 #CD775C #DC9E8B

Accessibility & contrast

On white

4.86

#B55537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#B55537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55537

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55537	#FFFFFF	#000000	##FFFFFF
##B55537	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6434

Deuteranopia (green-blind)

#867935

Tritanopia (blue-blind)

#C6424E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b55537;
/* rgb */ color: rgb(181, 85, 55);
/* oklch */ color: oklch(56.3% 0.133 37.9);

Tailwind

colors: {
  custom: {
    50: '#d1876f',
    500: '#b55537',
    950: '#000000',
  },
}

SCSS

$custom: #b55537;
$custom-light: #d1876f;
$custom-dark: #000000;

JSON

{
  "hex": "#b55537",
  "rgb": {
    "r": 181,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 14.286,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56344,
    "c": 0.13251,
    "h": 37.9
  },
  "luminance": 0.16597
}

Semantic roles & 50–950 ramp

primary

#B55537

secondary

#82B6C6

accent

#BADD4B

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B55537

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

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