#B73142#B73142

#B73142 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.170 H 18.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B73142
RGB	rgb(183, 49, 66)
HSL	hsl(352, 58%, 45%)
HSV	hsv(352, 73%, 72%)
CMYK	cmyk(0%, 73.2%, 63.9%, 28.2%)
CIE-LAB	lab(42.25, 54.12, 22.43)
CIE-LCH	lch(42.25, 58.58, 22.51°)
OKLab	oklab(52.32% 0.1609 0.0538)
OKLCH	oklch(52.32% 0.17 18.5)
XYZ	xyz(21.6124, 12.6604, 6.4589)
Luminance	0.1266 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B73142 #31B7A6

analogous

#B73185 #B73142 #B76331

triadic

#B73142 #42B731 #3142B7

tetradic

#B73142 #85B731 #31B7A6 #6331B7

square

#B73142 #85B731 #31B7A6 #6331B7

split-complementary

#B73142 #31B763 #3185B7

monochromatic

#56171F #872431 #B73142 #D15464 #DE8490

Accessibility & contrast

On white

5.95

#B73142 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B73142 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B73142

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B73142	#FFFFFF	#000000	##FFFFFF
##B73142	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565242

Deuteranopia (green-blind)

#786E3E

Tritanopia (blue-blind)

#C90038

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b73142;
/* rgb */ color: rgb(183, 49, 66);
/* oklch */ color: oklch(52.3% 0.170 18.5);

Tailwind

colors: {
  custom: {
    50: '#d47376',
    500: '#b73142',
    950: '#000000',
  },
}

SCSS

$custom: #b73142;
$custom-light: #d47376;
$custom-dark: #000000;

JSON

{
  "hex": "#b73142",
  "rgb": {
    "r": 183,
    "g": 49,
    "b": 66
  },
  "hsl": {
    "h": 352.388,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52321,
    "c": 0.16965,
    "h": 18.5
  },
  "luminance": 0.12657
}

Semantic roles & 50–950 ramp

primary

#B73142

secondary

#7CC8BE

accent

#E1CD47

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B73142

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

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