#B72A39#B72A39

#B72A39 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 20.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B72A39
RGB	rgb(183, 42, 57)
HSL	hsl(354, 63%, 44%)
HSV	hsv(354, 77%, 72%)
CMYK	cmyk(0%, 77%, 68.9%, 28.2%)
CIE-LAB	lab(41.25, 55.97, 26.71)
CIE-LCH	lch(41.25, 62.01, 25.51°)
OKLab	oklab(51.53% 0.1649 0.0623)
OKLCH	oklch(51.53% 0.176 20.7)
XYZ	xyz(21.0973, 12.0219, 5.0797)
Luminance	0.1202 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A39 #2AB7A8

analogous

#B72A80 #B72A39 #B7622A

triadic

#B72A39 #39B72A #2A39B7

tetradic

#B72A39 #80B72A #2AB7A8 #622AB7

square

#B72A39 #80B72A #2AB7A8 #622AB7

split-complementary

#B72A39 #2AB762 #2A80B7

monochromatic

#53131A #851F29 #B72A39 #D54958 #E17B86

Accessibility & contrast

On white

6.17

#B72A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A39

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A39	#FFFFFF	#000000	##FFFFFF
##B72A39	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E38

Deuteranopia (green-blind)

#776C35

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a39;
/* rgb */ color: rgb(183, 42, 57);
/* oklch */ color: oklch(51.5% 0.176 20.7);

Tailwind

colors: {
  custom: {
    50: '#d5706f',
    500: '#b72a39',
    950: '#000000',
  },
}

SCSS

$custom: #b72a39;
$custom-light: #d5706f;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a39",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 57
  },
  "hsl": {
    "h": 353.617,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51531,
    "c": 0.17631,
    "h": 20.7
  },
  "luminance": 0.12019
}

Semantic roles & 50–950 ramp

primary

#B72A39

secondary

#74C9C0

accent

#E6D442

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72A39

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

Preview Lab → · Contrast checker → · Palette generator →