#B72A3D#B72A3D

#B72A3D is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.176 H 19.1°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#B72A3D
RGB	rgb(183, 42, 61)
HSL	hsl(352, 63%, 44%)
HSV	hsv(352, 77%, 72%)
CMYK	cmyk(0%, 77%, 66.7%, 28.2%)
CIE-LAB	lab(41.32, 56.18, 24.33)
CIE-LCH	lch(41.32, 61.22, 23.42°)
OKLab	oklab(51.6% 0.1665 0.0576)
OKLCH	oklch(51.6% 0.176 19.1)
XYZ	xyz(21.2010, 12.0634, 5.6261)
Luminance	0.1206 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72A3D #2AB7A4

analogous

#B72A84 #B72A3D #B75E2A

triadic

#B72A3D #3DB72A #2A3DB7

tetradic

#B72A3D #84B72A #2AB7A4 #5E2AB7

square

#B72A3D #84B72A #2AB7A4 #5E2AB7

split-complementary

#B72A3D #2AB75E #2A84B7

monochromatic

#53131C #851F2C #B72A3D #D5495C #E17B88

Accessibility & contrast

On white

6.15

#B72A3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72A3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72A3D

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72A3D	#FFFFFF	#000000	##FFFFFF
##B72A3D	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)

#534E3D

Deuteranopia (green-blind)

#776C39

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72a3d;
/* rgb */ color: rgb(183, 42, 61);
/* oklch */ color: oklch(51.6% 0.176 19.1);

Tailwind

colors: {
  custom: {
    50: '#d47072',
    500: '#b72a3d',
    950: '#000000',
  },
}

SCSS

$custom: #b72a3d;
$custom-light: #d47072;
$custom-dark: #000000;

JSON

{
  "hex": "#b72a3d",
  "rgb": {
    "r": 183,
    "g": 42,
    "b": 61
  },
  "hsl": {
    "h": 351.915,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51601,
    "c": 0.17613,
    "h": 19.1
  },
  "luminance": 0.1206
}

Semantic roles & 50–950 ramp

primary

#B72A3D

secondary

#74C9BD

accent

#E6D042

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B72A3D

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

Preview Lab → · Contrast checker → · Palette generator →