#B54331#B54331

#B54331 is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.7% C 0.152 H 31.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B54331
RGB	rgb(181, 67, 49)
HSL	hsl(8, 57%, 45%)
HSV	hsv(8, 73%, 71%)
CMYK	cmyk(0%, 63%, 72.9%, 29%)
CIE-LAB	lab(44.32, 45.20, 34.95)
CIE-LCH	lch(44.32, 57.14, 37.71°)
OKLab	oklab(53.73% 0.1295 0.0791)
OKLCH	oklch(53.73% 0.152 31.4)
XYZ	xyz(21.6199, 14.0628, 4.4811)
Luminance	0.1406 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54331 #31A3B5

analogous

#B53161 #B54331 #B58531

triadic

#B54331 #31B543 #4331B5

tetradic

#B54331 #61B531 #31A3B5 #8531B5

square

#B54331 #61B531 #31A3B5 #8531B5

split-complementary

#B54331 #31B585 #3161B5

monochromatic

#551F17 #853124 #B54331 #D06453 #DD8F83

Accessibility & contrast

On white

5.51

#B54331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B54331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54331

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54331	#FFFFFF	#000000	##FFFFFF
##B54331	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592E

Deuteranopia (green-blind)

#7F722D

Tritanopia (blue-blind)

#C7273F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b54331;
/* rgb */ color: rgb(181, 67, 49);
/* oklch */ color: oklch(53.7% 0.152 31.4);

Tailwind

colors: {
  custom: {
    50: '#d37c6a',
    500: '#b54331',
    950: '#000000',
  },
}

SCSS

$custom: #b54331;
$custom-light: #d37c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b54331",
  "rgb": {
    "r": 181,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 8.182,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53725,
    "c": 0.15176,
    "h": 31.4
  },
  "luminance": 0.1406
}

Semantic roles & 50–950 ramp

primary

#B54331

secondary

#7BBCC7

accent

#CCE147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B54331

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

Preview Lab → · Contrast checker → · Palette generator →