#B5503D#B5503D

#B5503D is a mid, vivid red. Relative luminance 0.159; OKLCH L 55.7% C 0.136 H 32.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#B5503D
RGB	rgb(181, 80, 61)
HSL	hsl(10, 50%, 47%)
HSV	hsv(10, 66%, 71%)
CMYK	cmyk(0%, 55.8%, 66.3%, 29%)
CIE-LAB	lab(46.84, 39.65, 31.06)
CIE-LCH	lch(46.84, 50.37, 38.07°)
OKLab	oklab(55.68% 0.1146 0.0726)
OKLCH	oklch(55.68% 0.136 32.4)
XYZ	xyz(22.7691, 15.9009, 6.2841)
Luminance	0.1590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5503D #3DA2B5

analogous

#B53D66 #B5503D #B58C3D

triadic

#B5503D #3DB550 #503DB5

tetradic

#B5503D #66B53D #3DA2B5 #8C3DB5

square

#B5503D #66B53D #3DA2B5 #8C3DB5

split-complementary

#B5503D #3DB58C #3D66B5

monochromatic

#59281E #873C2E #B5503D #CB7564 #DA9E92

Accessibility & contrast

On white

5.02

#B5503D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#B5503D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5503D

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5503D	#FFFFFF	#000000	##FFFFFF
##B5503D	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A613B

Deuteranopia (green-blind)

#83773B

Tritanopia (blue-blind)

#C63C4C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b5503d;
/* rgb */ color: rgb(181, 80, 61);
/* oklch */ color: oklch(55.7% 0.136 32.4);

Tailwind

colors: {
  custom: {
    50: '#d18473',
    500: '#b5503d',
    950: '#000000',
  },
}

SCSS

$custom: #b5503d;
$custom-light: #d18473;
$custom-dark: #000000;

JSON

{
  "hex": "#b5503d",
  "rgb": {
    "r": 181,
    "g": 80,
    "b": 61
  },
  "hsl": {
    "h": 9.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55681,
    "c": 0.13565,
    "h": 32.4
  },
  "luminance": 0.15898
}

Semantic roles & 50–950 ramp

primary

#B5503D

secondary

#88BCC5

accent

#C3D94F

background

#FDF8F7

surface

#FBEFED

border

#D4CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B5503D

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

Preview Lab → · Contrast checker → · Palette generator →