#B72B2E#B72B2E

#B72B2E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.176 H 25.0°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX#B72B2E
RGBrgb(183, 43, 46)
HSLhsl(359, 62%, 44%)
HSVhsv(359, 77%, 72%)
CMYKcmyk(0%, 76.5%, 74.9%, 28.2%)
CIE-LABlab(41.21, 55.14, 33.28)
CIE-LCHlch(41.21, 64.41, 31.11°)
OKLaboklab(51.45% 0.1599 0.0747)
OKLCHoklch(51.45% 0.176 25)
XYZxyz(20.8879, 11.9956, 3.7998)
Luminance0.1199 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B72B2E #2BB7B4
analogous
#B72B74 #B72B2E #B76E2B
triadic
#B72B2E #2EB72B #2B2EB7
tetradic
#B72B2E #74B72B #2BB7B4 #6E2BB7
square
#B72B2E #74B72B #2BB7B4 #6E2BB7
split-complementary
#B72B2E #2BB76E #2B74B7
monochromatic
#541415 #851F22 #B72B2E #D54B4E #E07C7E

Accessibility & contrast

On white

6.18
#B72B2E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#B72B2E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2E
6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B72B2E#FFFFFF#000000##FFFFFF
##B72B2E1.006.183.406.18
#FFFFFF6.181.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554E2D
Deuteranopia (green-blind)
#786C29
Tritanopia (blue-blind)
#CA002E
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b72b2e;
/* rgb */ color: rgb(183, 43, 46);
/* oklch */ color: oklch(51.4% 0.176 25.0);
Tailwind
colors: {
  custom: {
    50: '#d57067',
    500: '#b72b2e',
    950: '#000000',
  },
}
SCSS
$custom: #b72b2e;
$custom-light: #d57067;
$custom-dark: #000000;
JSON
{
  "hex": "#b72b2e",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 46
  },
  "hsl": {
    "h": 358.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5145,
    "c": 0.17644,
    "h": 25
  },
  "luminance": 0.11992
}

Semantic roles & 50–950 ramp

primary
#B72B2E
secondary
#75C9C7
accent
#E5E243
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160806
muted
#847B7A

Preview Lab

Preview with #B72B2E

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

Preview Lab → · Contrast checker → · Palette generator →

#B72B2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva