#B72B32#B72B32

#B72B32 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 23.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B72B32
RGB	rgb(183, 43, 50)
HSL	hsl(357, 62%, 44%)
HSV	hsv(357, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 72.7%, 28.2%)
CIE-LAB	lab(41.26, 55.31, 30.97)
CIE-LCH	lch(41.26, 63.39, 29.24°)
OKLab	oklab(51.51% 0.1613 0.0705)
OKLCH	oklch(51.51% 0.176 23.6)
XYZ	xyz(20.9705, 12.0286, 4.2346)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B32 #2BB7B0

analogous

#B72B78 #B72B32 #B76A2B

triadic

#B72B32 #32B72B #2B32B7

tetradic

#B72B32 #78B72B #2BB7B0 #6A2BB7

square

#B72B32 #78B72B #2BB7B0 #6A2BB7

split-complementary

#B72B32 #2BB76A #2B78B7

monochromatic

#541417 #851F24 #B72B32 #D54B51 #E07C81

Accessibility & contrast

On white

6.17

#B72B32 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72B32 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B32

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B32	#FFFFFF	#000000	##FFFFFF
##B72B32	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E31

Deuteranopia (green-blind)

#786C2D

Tritanopia (blue-blind)

#C9002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b32;
/* rgb */ color: rgb(183, 43, 50);
/* oklch */ color: oklch(51.5% 0.176 23.6);

Tailwind

colors: {
  custom: {
    50: '#d5706a',
    500: '#b72b32',
    950: '#000000',
  },
}

SCSS

$custom: #b72b32;
$custom-light: #d5706a;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b32",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 50
  },
  "hsl": {
    "h": 357,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51506,
    "c": 0.17602,
    "h": 23.6
  },
  "luminance": 0.12025
}

Semantic roles & 50–950 ramp

primary

#B72B32

secondary

#75C9C4

accent

#E5DD43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72B32

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

Preview Lab → · Contrast checker → · Palette generator →