#B54831#B54831

#B54831 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.4% C 0.147 H 33.6°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#B54831
RGB	rgb(181, 72, 49)
HSL	hsl(10, 57%, 45%)
HSV	hsv(10, 73%, 71%)
CMYK	cmyk(0%, 60.2%, 72.9%, 29%)
CIE-LAB	lab(45.20, 42.89, 35.93)
CIE-LCH	lch(45.20, 55.95, 39.96°)
OKLab	oklab(54.38% 0.1223 0.0812)
OKLCH	oklch(54.38% 0.147 33.6)
XYZ	xyz(21.9301, 14.6832, 4.5845)
Luminance	0.1468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54831 #319EB5

analogous

#B5315C #B54831 #B58A31

triadic

#B54831 #31B548 #4831B5

tetradic

#B54831 #5CB531 #319EB5 #8A31B5

square

#B54831 #5CB531 #319EB5 #8A31B5

split-complementary

#B54831 #31B58A #315CB5

monochromatic

#552217 #853524 #B54831 #D06953 #DD9383

Accessibility & contrast

On white

5.34

#B54831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#B54831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54831

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54831	#FFFFFF	#000000	##FFFFFF
##B54831	1.00	5.34	3.94	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C2E

Deuteranopia (green-blind)

#81742E

Tritanopia (blue-blind)

#C72F43

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #b54831;
/* rgb */ color: rgb(181, 72, 49);
/* oklch */ color: oklch(54.4% 0.147 33.6);

Tailwind

colors: {
  custom: {
    50: '#d27f6a',
    500: '#b54831',
    950: '#000000',
  },
}

SCSS

$custom: #b54831;
$custom-light: #d27f6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b54831",
  "rgb": {
    "r": 181,
    "g": 72,
    "b": 49
  },
  "hsl": {
    "h": 10.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54385,
    "c": 0.14681,
    "h": 33.6
  },
  "luminance": 0.1468
}

Semantic roles & 50–950 ramp

primary

#B54831

secondary

#7BBAC7

accent

#C6E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B54831

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

Preview Lab → · Contrast checker → · Palette generator →