#B54337#B54337

#B54337 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.8% C 0.151 H 29.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#B54337
RGB	rgb(181, 67, 55)
HSL	hsl(6, 53%, 46%)
HSV	hsv(6, 70%, 71%)
CMYK	cmyk(0%, 63%, 69.6%, 29%)
CIE-LAB	lab(44.40, 45.51, 31.61)
CIE-LCH	lch(44.40, 55.41, 34.78°)
OKLab	oklab(53.81% 0.1317 0.0729)
OKLCH	oklch(53.81% 0.151 29)
XYZ	xyz(21.7550, 14.1169, 5.1930)
Luminance	0.1411 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54337 #37A9B5

analogous

#B5376A #B54337 #B58237

triadic

#B54337 #37B543 #4337B5

tetradic

#B54337 #6AB537 #37A9B5 #8237B5

square

#B54337 #6AB537 #37A9B5 #8237B5

split-complementary

#B54337 #37B582 #376AB5

monochromatic

#57201A #863229 #B54337 #CD675C #DC928B

Accessibility & contrast

On white

5.49

#B54337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#B54337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54337

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54337	#FFFFFF	#000000	##FFFFFF
##B54337	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#7E7234

Tritanopia (blue-blind)

#C72841

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b54337;
/* rgb */ color: rgb(181, 67, 55);
/* oklch */ color: oklch(53.8% 0.151 29.0);

Tailwind

colors: {
  custom: {
    50: '#d27c6e',
    500: '#b54337',
    950: '#000000',
  },
}

SCSS

$custom: #b54337;
$custom-light: #d27c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b54337",
  "rgb": {
    "r": 181,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 5.714,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53808,
    "c": 0.15051,
    "h": 29
  },
  "luminance": 0.14114
}

Semantic roles & 50–950 ramp

primary

#B54337

secondary

#82BFC6

accent

#CFDD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B54337

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

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