#B72B35#B72B35

#B72B35 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.6% C 0.176 H 22.5°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#B72B35
RGB	rgb(183, 43, 53)
HSL	hsl(356, 62%, 44%)
HSV	hsv(356, 77%, 72%)
CMYK	cmyk(0%, 76.5%, 71%, 28.2%)
CIE-LAB	lab(41.30, 55.45, 29.21)
CIE-LCH	lch(41.30, 62.67, 27.78°)
OKLab	oklab(51.55% 0.1624 0.0672)
OKLCH	oklch(51.55% 0.176 22.5)
XYZ	xyz(21.0373, 12.0553, 4.5867)
Luminance	0.1205 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B72B35 #2BB7AD

analogous

#B72B7B #B72B35 #B7672B

triadic

#B72B35 #35B72B #2B35B7

tetradic

#B72B35 #7BB72B #2BB7AD #672BB7

square

#B72B35 #7BB72B #2BB7AD #672BB7

split-complementary

#B72B35 #2BB767 #2B7BB7

monochromatic

#541418 #851F27 #B72B35 #D54B54 #E07C83

Accessibility & contrast

On white

6.16

#B72B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#B72B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B72B35

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B72B35	#FFFFFF	#000000	##FFFFFF
##B72B35	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E34

Deuteranopia (green-blind)

#786C30

Tritanopia (blue-blind)

#C90030

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b72b35;
/* rgb */ color: rgb(183, 43, 53);
/* oklch */ color: oklch(51.6% 0.176 22.5);

Tailwind

colors: {
  custom: {
    50: '#d5716c',
    500: '#b72b35',
    950: '#000000',
  },
}

SCSS

$custom: #b72b35;
$custom-light: #d5716c;
$custom-dark: #000000;

JSON

{
  "hex": "#b72b35",
  "rgb": {
    "r": 183,
    "g": 43,
    "b": 53
  },
  "hsl": {
    "h": 355.714,
    "s": 61.947,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51551,
    "c": 0.17576,
    "h": 22.5
  },
  "luminance": 0.12052
}

Semantic roles & 50–950 ramp

primary

#B72B35

secondary

#75C9C3

accent

#E5D943

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B72B35

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

Preview Lab → · Contrast checker → · Palette generator →