#B72B2A#B72B2A

#B72B2A is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.177 H 26.4°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B72B2A
RGB	rgb(183, 43, 42)
HSL	hsl(0, 63%, 44%)
HSV	hsv(0, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 77%, 28.2%)
CIE-LAB	lab(41.16, 54.99, 35.55)
CIE-LCH	lch(41.16, 65.48, 32.88°)
OKLab	oklab(51.4% 0.1585 0.0786)
OKLCH	oklch(51.4% 0.177 26.4)
XYZ	xyz(20.8127, 11.9655, 3.4037)
Luminance	0.1196 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B2A #2AB6B7

analogous

#B72A6F #B72B2A #B7722A

triadic

#B72B2A #2AB72B #2B2AB7

tetradic

#B72B2A #6FB72A #2AB6B7 #722AB7

square

#B72B2A #6FB72A #2AB6B7 #722AB7

split-complementary

#B72B2A #2AB772 #2A6FB7

monochromatic

#531413 #851F1F #B72B2A #D54A49 #E17B7B

Accessibility & contrast

On white

6.19

#B72B2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B72B2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B2A

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B2A	#FFFFFF	#000000	##FFFFFF
##B72B2A	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E28

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b2a;
/* rgb */ color: rgb(183, 43, 42);
/* oklch */ color: oklch(51.4% 0.177 26.4);

Tailwind

colors: {
  custom: {
    50: '#d67064',
    500: '#b72b2a',
    950: '#000000',
  },
}

SCSS

$custom: #b72b2a;
$custom-light: #d67064;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b2a",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 42
  },
  "hsl": {
    "h": 0.426,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.514,
    "c": 0.17691,
    "h": 26.4
  },
  "luminance": 0.11962
}

Semantic roles & 50–950 ramp

primary

#B72B2A

secondary

#74C8C9

accent

#E5E642

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B72B2A

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

Preview Lab → · Contrast checker → · Palette generator →