#B04237#B04237

#B04237 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.146 H 28.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX#B04237
RGBrgb(176, 66, 55)
HSLhsl(5, 52%, 45%)
HSVhsv(5, 69%, 69%)
CMYKcmyk(0%, 62.5%, 68.8%, 31%)
CIE-LABlab(43.37, 44.17, 30.17)
CIE-LCHlch(43.37, 53.50, 34.33°)
OKLaboklab(52.87% 0.1281 0.07)
OKLCHoklch(52.87% 0.146 28.7)
XYZxyz(20.5444, 13.4052, 5.1193)
Luminance0.1340 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B04237 #37A5B0
analogous
#B03768 #B04237 #B07F37
triadic
#B04237 #37B042 #4237B0
tetradic
#B04237 #68B037 #37A5B0 #7F37B0
square
#B04237 #68B037 #37A5B0 #7F37B0
split-complementary
#B04237 #37B07F #3768B0
monochromatic
#531F1A #813128 #B04237 #CB6359 #DA8F88

Accessibility & contrast

On white

5.71
#B04237 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.68
#B04237 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B04237
5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B04237#FFFFFF#000000##FFFFFF
##B042371.005.713.685.71
#FFFFFF5.711.0021.001.00
#0000003.6821.001.0021.00
##FFFFFF5.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5735
Deuteranopia (green-blind)
#7B6F34
Tritanopia (blue-blind)
#C12940
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b04237;
/* rgb */ color: rgb(176, 66, 55);
/* oklch */ color: oklch(52.9% 0.146 28.7);
Tailwind
colors: {
  custom: {
    50: '#ce7b6e',
    500: '#b04237',
    950: '#000000',
  },
}
SCSS
$custom: #b04237;
$custom-light: #ce7b6e;
$custom-dark: #000000;
JSON
{
  "hex": "#b04237",
  "rgb": {
    "r": 176,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.455,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52867,
    "c": 0.14594,
    "h": 28.7
  },
  "luminance": 0.13402
}

Semantic roles & 50–950 ramp

primary
#B04237
secondary
#7FBDC4
accent
#CFDC4C
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150A07
muted
#837C7A

Preview Lab

Preview with #B04237

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

Preview Lab → · Contrast checker → · Palette generator →

#B04237 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva