#B72B30#B72B30

#B72B30 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.5% C 0.176 H 24.3°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B72B30
RGB	rgb(183, 43, 48)
HSL	hsl(358, 62%, 44%)
HSV	hsv(358, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 73.8%, 28.2%)
CIE-LAB	lab(41.23, 55.23, 32.13)
CIE-LCH	lch(41.23, 63.89, 30.19°)
OKLab	oklab(51.48% 0.1606 0.0726)
OKLCH	oklch(51.48% 0.176 24.3)
XYZ	xyz(20.9282, 12.0117, 4.0123)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B30 #2BB7B2

analogous

#B72B76 #B72B30 #B76C2B

triadic

#B72B30 #30B72B #2B30B7

tetradic

#B72B30 #76B72B #2BB7B2 #6C2BB7

square

#B72B30 #76B72B #2BB7B2 #6C2BB7

split-complementary

#B72B30 #2BB76C #2B76B7

monochromatic

#541416 #851F23 #B72B30 #D54B50 #E07C80

Accessibility & contrast

On white

6.17

#B72B30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B72B30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B30

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B30	#FFFFFF	#000000	##FFFFFF
##B72B30	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2F

Deuteranopia (green-blind)

#786C2B

Tritanopia (blue-blind)

#CA002F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b30;
/* rgb */ color: rgb(183, 43, 48);
/* oklch */ color: oklch(51.5% 0.176 24.3);

Tailwind

colors: {
  custom: {
    50: '#d57068',
    500: '#b72b30',
    950: '#000000',
  },
}

SCSS

$custom: #b72b30;
$custom-light: #d57068;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b30",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 48
  },
  "hsl": {
    "h": 357.857,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51478,
    "c": 0.17623,
    "h": 24.3
  },
  "luminance": 0.12008
}

Semantic roles & 50–950 ramp

primary

#B72B30

secondary

#75C9C6

accent

#E5DF43

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B72B30

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

Preview Lab → · Contrast checker → · Palette generator →