#B54531#B54531

#B54531 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.0% C 0.150 H 32.3°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#B54531
RGB	rgb(181, 69, 49)
HSL	hsl(9, 57%, 45%)
HSV	hsv(9, 73%, 71%)
CMYK	cmyk(0%, 61.9%, 72.9%, 29%)
CIE-LAB	lab(44.67, 44.29, 35.34)
CIE-LCH	lch(44.67, 56.66, 38.59°)
OKLab	oklab(53.99% 0.1267 0.0799)
OKLCH	oklch(53.99% 0.15 32.3)
XYZ	xyz(21.7408, 14.3048, 4.5214)
Luminance	0.1430 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54531 #31A1B5

analogous

#B5315F #B54531 #B58731

triadic

#B54531 #31B545 #4531B5

tetradic

#B54531 #5FB531 #31A1B5 #8731B5

square

#B54531 #5FB531 #31A1B5 #8731B5

split-complementary

#B54531 #31B587 #315FB5

monochromatic

#552017 #853324 #B54531 #D06653 #DD9183

Accessibility & contrast

On white

5.44

#B54531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#B54531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54531

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54531	#FFFFFF	#000000	##FFFFFF
##B54531	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A2E

Deuteranopia (green-blind)

#7F732E

Tritanopia (blue-blind)

#C72B41

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b54531;
/* rgb */ color: rgb(181, 69, 49);
/* oklch */ color: oklch(54.0% 0.150 32.3);

Tailwind

colors: {
  custom: {
    50: '#d27d6a',
    500: '#b54531',
    950: '#000000',
  },
}

SCSS

$custom: #b54531;
$custom-light: #d27d6a;
$custom-dark: #000000;

JSON

{
  "hex": "#b54531",
  "rgb": {
    "r": 181,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 9.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53985,
    "c": 0.14977,
    "h": 32.3
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary

#B54531

secondary

#7BBBC7

accent

#C9E147

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A06

muted

#837C7A

Preview Lab

Preview with #B54531

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

Preview Lab → · Contrast checker → · Palette generator →