#B54F31#B54F31

#B54F31 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.4% C 0.140 H 37.0°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#B54F31
RGBrgb(181, 79, 49)
HSLhsl(14, 57%, 45%)
HSVhsv(14, 73%, 71%)
CMYKcmyk(0%, 56.4%, 72.9%, 29%)
CIE-LABlab(46.50, 39.49, 37.38)
CIE-LCHlch(46.50, 54.38, 43.43°)
OKLaboklab(55.37% 0.1118 0.0844)
OKLCHoklch(55.37% 0.14 37)
XYZxyz(22.4086, 15.6404, 4.7440)
Luminance0.1564 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B54F31 #3197B5
analogous
#B53155 #B54F31 #B59131
triadic
#B54F31 #31B54F #4F31B5
tetradic
#B54F31 #55B531 #3197B5 #9131B5
square
#B54F31 #55B531 #3197B5 #9131B5
split-complementary
#B54F31 #31B591 #3155B5
monochromatic
#552517 #853A24 #B54F31 #D06F53 #DD9883

Accessibility & contrast

On white

5.09
#B54F31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.13
#B54F31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54F31
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B54F31#FFFFFF#000000##FFFFFF
##B54F311.005.094.135.09
#FFFFFF5.091.0021.001.00
#0000004.1321.001.0021.00
##FFFFFF5.091.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6B602D
Deuteranopia (green-blind)
#84772E
Tritanopia (blue-blind)
#C73948
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #b54f31;
/* rgb */ color: rgb(181, 79, 49);
/* oklch */ color: oklch(55.4% 0.140 37.0);
Tailwind
colors: {
  custom: {
    50: '#d2836a',
    500: '#b54f31',
    950: '#000000',
  },
}
SCSS
$custom: #b54f31;
$custom-light: #d2836a;
$custom-dark: #000000;
JSON
{
  "hex": "#b54f31",
  "rgb": {
    "r": 181,
    "g": 79,
    "b": 49
  },
  "hsl": {
    "h": 13.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5537,
    "c": 0.14005,
    "h": 37
  },
  "luminance": 0.15637
}

Semantic roles & 50–950 ramp

primary
#B54F31
secondary
#7BB6C7
accent
#BEE147
background
#FDF8F6
surface
#FBEFEB
border
#D4CAC6
text
#150B06
muted
#837C7A

Preview Lab

Preview with #B54F31

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

Preview Lab → · Contrast checker → · Palette generator →

#B54F31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva