#B73F2F#B73F2F

#B73F2F is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.5% C 0.158 H 30.5°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#B73F2F
RGBrgb(183, 63, 47)
HSLhsl(7, 59%, 45%)
HSVhsv(7, 74%, 72%)
CMYKcmyk(0%, 65.6%, 74.3%, 28.2%)
CIE-LABlab(43.99, 47.59, 35.80)
CIE-LCHlch(43.99, 59.55, 36.96°)
OKLaboklab(53.53% 0.1363 0.0804)
OKLCHoklch(53.53% 0.158 30.5)
XYZxyz(21.8214, 13.8307, 4.2093)
Luminance0.1383 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B73F2F #2FA7B7
analogous
#B72F63 #B73F2F #B7832F
triadic
#B73F2F #2FB73F #3F2FB7
tetradic
#B73F2F #63B72F #2FA7B7 #832FB7
square
#B73F2F #63B72F #2FA7B7 #832FB7
split-complementary
#B73F2F #2FB783 #2F63B7
monochromatic
#561D16 #862E22 #B73F2F #D26051 #DF8D82

Accessibility & contrast

On white

5.58
#B73F2F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.77
#B73F2F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73F2F
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B73F2F#FFFFFF#000000##FFFFFF
##B73F2F1.005.583.775.58
#FFFFFF5.581.0021.001.00
#0000003.7721.001.0021.00
##FFFFFF5.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#61572C
Deuteranopia (green-blind)
#7E722B
Tritanopia (blue-blind)
#C91E3C
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #b73f2f;
/* rgb */ color: rgb(183, 63, 47);
/* oklch */ color: oklch(53.5% 0.158 30.5);
Tailwind
colors: {
  custom: {
    50: '#d47a68',
    500: '#b73f2f',
    950: '#000000',
  },
}
SCSS
$custom: #b73f2f;
$custom-light: #d47a68;
$custom-dark: #000000;
JSON
{
  "hex": "#b73f2f",
  "rgb": {
    "r": 183,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 7.059,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53533,
    "c": 0.15825,
    "h": 30.5
  },
  "luminance": 0.13828
}

Semantic roles & 50–950 ramp

primary
#B73F2F
secondary
#7ABFC8
accent
#D0E245
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #B73F2F

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

Preview Lab → · Contrast checker → · Palette generator →

#B73F2F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva