#B54237#B54237

#B54237 is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.7% C 0.152 H 28.6°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B54237
RGB	rgb(181, 66, 55)
HSL	hsl(5, 53%, 46%)
HSV	hsv(5, 70%, 71%)
CMYK	cmyk(0%, 63.5%, 69.6%, 29%)
CIE-LAB	lab(44.23, 45.96, 31.41)
CIE-LCH	lch(44.23, 55.66, 34.35°)
OKLab	oklab(53.68% 0.1331 0.0725)
OKLCH	oklch(53.68% 0.152 28.6)
XYZ	xyz(21.6961, 13.9990, 5.1733)
Luminance	0.1400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54237 #37AAB5

analogous

#B5376B #B54237 #B58137

triadic

#B54237 #37B542 #4237B5

tetradic

#B54237 #6BB537 #37AAB5 #8137B5

square

#B54237 #6BB537 #37AAB5 #8137B5

split-complementary

#B54237 #37B581 #376BB5

monochromatic

#57201A #863129 #B54237 #CD665C #DC928B

Accessibility & contrast

On white

5.53

#B54237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B54237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54237

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54237	#FFFFFF	#000000	##FFFFFF
##B54237	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615935

Deuteranopia (green-blind)

#7E7234

Tritanopia (blue-blind)

#C72740

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b54237;
/* rgb */ color: rgb(181, 66, 55);
/* oklch */ color: oklch(53.7% 0.152 28.6);

Tailwind

colors: {
  custom: {
    50: '#d27c6e',
    500: '#b54237',
    950: '#000000',
  },
}

SCSS

$custom: #b54237;
$custom-light: #d27c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b54237",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.238,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.53681,
    "c": 0.15154,
    "h": 28.6
  },
  "luminance": 0.13996
}

Semantic roles & 50–950 ramp

primary

#B54237

secondary

#82C0C6

accent

#D0DD4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B54237

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

Preview Lab → · Contrast checker → · Palette generator →