#B72E25#B72E25

#B72E25 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.175 H 28.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B72E25
RGB	rgb(183, 46, 37)
HSL	hsl(4, 66%, 43%)
HSV	hsv(4, 80%, 72%)
CMYK	cmyk(0%, 74.9%, 79.8%, 28.2%)
CIE-LAB	lab(41.47, 53.81, 38.68)
CIE-LCH	lch(41.47, 66.27, 35.71°)
OKLab	oklab(51.61% 0.1538 0.0839)
OKLCH	oklch(51.61% 0.175 28.6)
XYZ	xyz(20.8419, 12.1581, 2.9992)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72E25 #25AEB7

analogous

#B72565 #B72E25 #B77725

triadic

#B72E25 #25B72E #2E25B7

tetradic

#B72E25 #65B725 #25AEB7 #7725B7

square

#B72E25 #65B725 #25AEB7 #7725B7

split-complementary

#B72E25 #25B777 #2565B7

monochromatic

#511410 #84211B #B72E25 #D94A41 #E37A74

Accessibility & contrast

On white

6.12

#B72E25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B72E25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72E25

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72E25	#FFFFFF	#000000	##FFFFFF
##B72E25	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F22

Deuteranopia (green-blind)

#7A6D1F

Tritanopia (blue-blind)

#CA002D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b72e25;
/* rgb */ color: rgb(183, 46, 37);
/* oklch */ color: oklch(51.6% 0.175 28.6);

Tailwind

colors: {
  custom: {
    50: '#d67261',
    500: '#b72e25',
    950: '#000000',
  },
}

SCSS

$custom: #b72e25;
$custom-light: #d67261;
$custom-dark: #000000;

JSON

{
  "hex": "#b72e25",
  "rgb": {
    "r": 183,
    "g": 46,
    "b": 37
  },
  "hsl": {
    "h": 3.699,
    "s": 66.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5161,
    "c": 0.17517,
    "h": 28.6
  },
  "luminance": 0.12155
}

Semantic roles & 50–950 ramp

primary

#B72E25

secondary

#6EC4CA

accent

#DFE93F

background

#FEF7F5

surface

#FDEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B72E25

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

Preview Lab → · Contrast checker → · Palette generator →