#B04331#B04331

#B04331 is a mid, vivid red. Relative luminance 0.135; OKLCH L 52.9% C 0.146 H 31.7°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX#B04331
RGBrgb(176, 67, 49)
HSLhsl(9, 56%, 44%)
HSVhsv(9, 72%, 69%)
CMYKcmyk(0%, 61.9%, 72.2%, 31%)
CIE-LABlab(43.46, 43.40, 33.75)
CIE-LCHlch(43.46, 54.98, 37.87°)
OKLaboklab(52.91% 0.1244 0.0767)
OKLCHoklch(52.91% 0.146 31.7)
XYZxyz(20.4682, 13.4690, 4.4271)
Luminance0.1347 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B04331 #319EB0
analogous
#B0315F #B04331 #B08331
triadic
#B04331 #31B043 #4331B0
tetradic
#B04331 #5FB031 #319EB0 #8331B0
square
#B04331 #5FB031 #319EB0 #8331B0
split-complementary
#B04331 #31B083 #315FB0
monochromatic
#501F16 #803124 #B04331 #CE6250 #DC8D80

Accessibility & contrast

On white

5.69
#B04331 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.69
#B04331 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04331
5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B04331#FFFFFF#000000##FFFFFF
##B043311.005.693.695.69
#FFFFFF5.691.0021.001.00
#0000003.6921.001.0021.00
##FFFFFF5.691.0021.001.00

Color blindness preview

Protanopia (red-blind)
#61582F
Deuteranopia (green-blind)
#7C702E
Tritanopia (blue-blind)
#C12A3F
Achromatopsia (no color)
#676767

Design tokens & code

CSS
--color: #b04331;
/* rgb */ color: rgb(176, 67, 49);
/* oklch */ color: oklch(52.9% 0.146 31.7);
Tailwind
colors: {
  custom: {
    50: '#cf7c6a',
    500: '#b04331',
    950: '#000000',
  },
}
SCSS
$custom: #b04331;
$custom-light: #cf7c6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b04331",
  "rgb": {
    "r": 176,
    "g": 67,
    "b": 49
  },
  "hsl": {
    "h": 8.504,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52913,
    "c": 0.1462,
    "h": 31.7
  },
  "luminance": 0.13466
}

Semantic roles & 50–950 ramp

primary
#B04331
secondary
#78BAC5
accent
#CAE048
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150A06
muted
#837C7A

Preview Lab

Preview with #B04331

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

Preview Lab → · Contrast checker → · Palette generator →

#B04331 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva