#B54837#B54837

#B54837 is a mid, vivid red. Relative luminance 0.147; OKLCH L 54.5% C 0.145 H 31.1°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX#B54837
RGBrgb(181, 72, 55)
HSLhsl(8, 53%, 46%)
HSVhsv(8, 70%, 71%)
CMYKcmyk(0%, 60.2%, 69.6%, 29%)
CIE-LABlab(45.27, 43.19, 32.63)
CIE-LCHlch(45.27, 54.14, 37.07°)
OKLaboklab(54.47% 0.1244 0.0752)
OKLCHoklch(54.47% 0.145 31.1)
XYZxyz(22.0652, 14.7373, 5.2964)
Luminance0.1473 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B54837 #37A4B5
analogous
#B53765 #B54837 #B58737
triadic
#B54837 #37B548 #4837B5
tetradic
#B54837 #65B537 #37A4B5 #8737B5
square
#B54837 #65B537 #37A4B5 #8737B5
split-complementary
#B54837 #37B587 #3765B5
monochromatic
#57231A #863529 #B54837 #CD6B5C #DC968B

Accessibility & contrast

On white

5.32
#B54837 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#B54837 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54837
5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B54837#FFFFFF#000000##FFFFFF
##B548371.005.323.955.32
#FFFFFF5.321.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#655C35
Deuteranopia (green-blind)
#807434
Tritanopia (blue-blind)
#C73044
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #b54837;
/* rgb */ color: rgb(181, 72, 55);
/* oklch */ color: oklch(54.5% 0.145 31.1);
Tailwind
colors: {
  custom: {
    50: '#d27f6e',
    500: '#b54837',
    950: '#000000',
  },
}
SCSS
$custom: #b54837;
$custom-light: #d27f6e;
$custom-dark: #000000;
JSON
{
  "hex": "#b54837",
  "rgb": {
    "r": 181,
    "g": 72,
    "b": 55
  },
  "hsl": {
    "h": 8.095,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54466,
    "c": 0.14538,
    "h": 31.1
  },
  "luminance": 0.14734
}

Semantic roles & 50–950 ramp

primary
#B54837
secondary
#82BDC6
accent
#C9DD4B
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150A07
muted
#837C7A

Preview Lab

Preview with #B54837

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

Preview Lab → · Contrast checker → · Palette generator →

#B54837 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva