#B73E31#B73E31

#B73E31 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.159 H 29.4°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX#B73E31
RGBrgb(183, 62, 49)
HSLhsl(6, 58%, 45%)
HSVhsv(6, 73%, 72%)
CMYKcmyk(0%, 66.1%, 73.2%, 28.2%)
CIE-LABlab(43.85, 48.11, 34.52)
CIE-LCHlch(43.85, 59.21, 35.66°)
OKLaboklab(53.44% 0.1384 0.078)
OKLCHoklch(53.44% 0.159 29.4)
XYZxyz(21.8078, 13.7374, 4.4084)
Luminance0.1373 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B73E31 #31AAB7
analogous
#B73167 #B73E31 #B78131
triadic
#B73E31 #31B73E #3E31B7
tetradic
#B73E31 #67B731 #31AAB7 #8131B7
square
#B73E31 #67B731 #31AAB7 #8131B7
split-complementary
#B73E31 #31B781 #3167B7
monochromatic
#561D17 #872E24 #B73E31 #D16054 #DE8D84

Accessibility & contrast

On white

5.60
#B73E31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.75
#B73E31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73E31
5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B73E31#FFFFFF#000000##FFFFFF
##B73E311.005.603.755.60
#FFFFFF5.601.0021.001.00
#0000003.7521.001.0021.00
##FFFFFF5.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#60572F
Deuteranopia (green-blind)
#7E712D
Tritanopia (blue-blind)
#C91D3C
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #b73e31;
/* rgb */ color: rgb(183, 62, 49);
/* oklch */ color: oklch(53.4% 0.159 29.4);
Tailwind
colors: {
  custom: {
    50: '#d47a6a',
    500: '#b73e31',
    950: '#000000',
  },
}
SCSS
$custom: #b73e31;
$custom-light: #d47a6a;
$custom-dark: #000000;
JSON
{
  "hex": "#b73e31",
  "rgb": {
    "r": 183,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.821,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.53439,
    "c": 0.15884,
    "h": 29.4
  },
  "luminance": 0.13734
}

Semantic roles & 50–950 ramp

primary
#B73E31
secondary
#7CC0C8
accent
#D2E147
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B73E31

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

Preview Lab → · Contrast checker → · Palette generator →

#B73E31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva