#B54031#B54031

#B54031 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.155 H 30.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#B54031
RGBrgb(181, 64, 49)
HSLhsl(7, 57%, 45%)
HSVhsv(7, 73%, 71%)
CMYKcmyk(0%, 64.6%, 72.9%, 29%)
CIE-LABlab(43.82, 46.54, 34.39)
CIE-LCHlch(43.82, 57.87, 36.46°)
OKLaboklab(53.35% 0.1337 0.0779)
OKLCHoklch(53.35% 0.155 30.2)
XYZxyz(21.4461, 13.7153, 4.4232)
Luminance0.1371 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B54031 #31A6B5
analogous
#B53164 #B54031 #B58231
triadic
#B54031 #31B540 #4031B5
tetradic
#B54031 #64B531 #31A6B5 #8231B5
square
#B54031 #64B531 #31A6B5 #8231B5
split-complementary
#B54031 #31B582 #3164B5
monochromatic
#551E17 #852F24 #B54031 #D06153 #DD8D83

Accessibility & contrast

On white

5.61
#B54031 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.74
#B54031 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54031
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B54031#FFFFFF#000000##FFFFFF
##B540311.005.613.745.61
#FFFFFF5.611.0021.001.00
#0000003.7421.001.0021.00
##FFFFFF5.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#60572F
Deuteranopia (green-blind)
#7E712D
Tritanopia (blue-blind)
#C7223D
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #b54031;
/* rgb */ color: rgb(181, 64, 49);
/* oklch */ color: oklch(53.3% 0.155 30.2);
Tailwind
colors: {
  custom: {
    50: '#d37a6a',
    500: '#b54031',
    950: '#000000',
  },
}
SCSS
$custom: #b54031;
$custom-light: #d37a6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b54031",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 49
  },
  "hsl": {
    "h": 6.818,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53348,
    "c": 0.15472,
    "h": 30.2
  },
  "luminance": 0.13712
}

Semantic roles & 50–950 ramp

primary
#B54031
secondary
#7BBEC7
accent
#CFE147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B54031

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

Preview Lab → · Contrast checker → · Palette generator →

#B54031 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva