#B72A3E#B72A3E

#B72A3E is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.176 H 18.7°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B72A3E
RGB	rgb(183, 42, 62)
HSL	hsl(351, 63%, 44%)
HSV	hsv(351, 77%, 72%)
CMYK	cmyk(0%, 77%, 66.1%, 28.2%)
CIE-LAB	lab(41.33, 56.23, 23.73)
CIE-LCH	lch(41.33, 61.04, 22.88°)
OKLab	oklab(51.62% 0.1669 0.0563)
OKLCH	oklch(51.62% 0.176 18.7)
XYZ	xyz(21.2282, 12.0742, 5.7693)
Luminance	0.1207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A3E #2AB7A3

analogous

#B72A85 #B72A3E #B75C2A

triadic

#B72A3E #3EB72A #2A3EB7

tetradic

#B72A3E #85B72A #2AB7A3 #5C2AB7

square

#B72A3E #85B72A #2AB7A3 #5C2AB7

split-complementary

#B72A3E #2AB75C #2A85B7

monochromatic

#53131C #851F2D #B72A3E #D5495D #E17B89

Accessibility & contrast

On white

6.15

#B72A3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72A3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A3E

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A3E	#FFFFFF	#000000	##FFFFFF
##B72A3E	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F3E

Deuteranopia (green-blind)

#776C3A

Tritanopia (blue-blind)

#C90033

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a3e;
/* rgb */ color: rgb(183, 42, 62);
/* oklch */ color: oklch(51.6% 0.176 18.7);

Tailwind

colors: {
  custom: {
    50: '#d47073',
    500: '#b72a3e',
    950: '#000000',
  },
}

SCSS

$custom: #b72a3e;
$custom-light: #d47073;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a3e",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 62
  },
  "hsl": {
    "h": 351.489,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5162,
    "c": 0.1761,
    "h": 18.7
  },
  "luminance": 0.12071
}

Semantic roles & 50–950 ramp

primary

#B72A3E

secondary

#74C9BD

accent

#E6CF42

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B72A3E

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

Preview Lab → · Contrast checker → · Palette generator →