#B72A2E#B72A2E

#B72A2E is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.4% C 0.177 H 24.8°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B72A2E
RGB	rgb(183, 42, 46)
HSL	hsl(358, 63%, 44%)
HSV	hsv(358, 77%, 72%)
CMYK	cmyk(0%, 77%, 74.9%, 28.2%)
CIE-LAB	lab(41.09, 55.46, 33.15)
CIE-LCH	lch(41.09, 64.61, 30.87°)
OKLab	oklab(51.37% 0.1609 0.0744)
OKLCH	oklch(51.37% 0.177 24.8)
XYZ	xyz(20.8520, 11.9237, 3.7878)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A2E #2AB7B3

analogous

#B72A75 #B72A2E #B76D2A

triadic

#B72A2E #2EB72A #2A2EB7

tetradic

#B72A2E #75B72A #2AB7B3 #6D2AB7

square

#B72A2E #75B72A #2AB7B3 #6D2AB7

split-complementary

#B72A2E #2AB76D #2A75B7

monochromatic

#531315 #851F21 #B72A2E #D5494D #E17B7E

Accessibility & contrast

On white

6.21

#B72A2E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B72A2E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A2E

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A2E	#FFFFFF	#000000	##FFFFFF
##B72A2E	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2D

Deuteranopia (green-blind)

#786C29

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a2e;
/* rgb */ color: rgb(183, 42, 46);
/* oklch */ color: oklch(51.4% 0.177 24.8);

Tailwind

colors: {
  custom: {
    50: '#d57067',
    500: '#b72a2e',
    950: '#000000',
  },
}

SCSS

$custom: #b72a2e;
$custom-light: #d57067;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a2e",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 46
  },
  "hsl": {
    "h": 358.298,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51365,
    "c": 0.17725,
    "h": 24.8
  },
  "luminance": 0.1192
}

Semantic roles & 50–950 ramp

primary

#B72A2E

secondary

#74C9C6

accent

#E6E142

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72A2E

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

Preview Lab → · Contrast checker → · Palette generator →