#B55031#B55031

#B55031 is a mid, vivid red. Relative luminance 0.158; OKLCH L 55.5% C 0.139 H 37.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#B55031
RGB	rgb(181, 80, 49)
HSL	hsl(14, 57%, 45%)
HSV	hsv(14, 73%, 71%)
CMYK	cmyk(0%, 55.8%, 72.9%, 29%)
CIE-LAB	lab(46.69, 38.99, 37.59)
CIE-LCH	lch(46.69, 54.16, 43.95°)
OKLab	oklab(55.52% 0.1103 0.0848)
OKLCH	oklch(55.52% 0.139 37.6)
XYZ	xyz(22.4813, 15.7857, 4.7682)
Luminance	0.1578 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B55031 #3196B5

analogous

#B53154 #B55031 #B59231

triadic

#B55031 #31B550 #5031B5

tetradic

#B55031 #54B531 #3196B5 #9231B5

square

#B55031 #54B531 #3196B5 #9231B5

split-complementary

#B55031 #31B592 #3154B5

monochromatic

#552517 #853B24 #B55031 #D07053 #DD9883

Accessibility & contrast

On white

5.05

#B55031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#B55031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B55031

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B55031	#FFFFFF	#000000	##FFFFFF
##B55031	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C612D

Deuteranopia (green-blind)

#84772E

Tritanopia (blue-blind)

#C73A49

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b55031;
/* rgb */ color: rgb(181, 80, 49);
/* oklch */ color: oklch(55.5% 0.139 37.6);

Tailwind

colors: {
  custom: {
    50: '#d2846a',
    500: '#b55031',
    950: '#000000',
  },
}

SCSS

$custom: #b55031;
$custom-light: #d2846a;
$custom-dark: #000000;

JSON

{
  "hex": "#b55031",
  "rgb": {
    "r": 181,
    "g": 80,
    "b": 49
  },
  "hsl": {
    "h": 14.091,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.55517,
    "c": 0.1391,
    "h": 37.6
  },
  "luminance": 0.15783
}

Semantic roles & 50–950 ramp

primary

#B55031

secondary

#7BB5C7

accent

#BDE147

background

#FDF8F6

surface

#FBEFEB

border

#D4CAC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #B55031

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

Preview Lab → · Contrast checker → · Palette generator →