#B83143#B83143

#B83143 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.171 H 18.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B83143
RGB	rgb(184, 49, 67)
HSL	hsl(352, 58%, 46%)
HSV	hsv(352, 73%, 72%)
CMYK	cmyk(0%, 73.4%, 63.6%, 27.8%)
CIE-LAB	lab(42.45, 54.49, 22.11)
CIE-LCH	lch(42.45, 58.80, 22.09°)
OKLab	oklab(52.51% 0.1621 0.0532)
OKLCH	oklch(52.51% 0.171 18.2)
XYZ	xyz(21.8809, 12.7954, 6.6267)
Luminance	0.1279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83143 #31B8A6

analogous

#B83186 #B83143 #B86231

triadic

#B83143 #43B831 #3143B8

tetradic

#B83143 #86B831 #31B8A6 #6231B8

square

#B83143 #86B831 #31B8A6 #6231B8

split-complementary

#B83143 #31B862 #3186B8

monochromatic

#571720 #882431 #B83143 #D25565 #DE8591

Accessibility & contrast

On white

5.90

#B83143 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B83143 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83143

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83143	#FFFFFF	#000000	##FFFFFF
##B83143	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#CA0039

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83143;
/* rgb */ color: rgb(184, 49, 67);
/* oklch */ color: oklch(52.5% 0.171 18.2);

Tailwind

colors: {
  custom: {
    50: '#d57477',
    500: '#b83143',
    950: '#000000',
  },
}

SCSS

$custom: #b83143;
$custom-light: #d57477;
$custom-dark: #000000;

JSON

{
  "hex": "#b83143",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 67
  },
  "hsl": {
    "h": 352,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52514,
    "c": 0.17063,
    "h": 18.2
  },
  "luminance": 0.12792
}

Semantic roles & 50–950 ramp

primary

#B83143

secondary

#7DC8BE

accent

#E1CD47

background

#FEF7F7

surface

#FCEDED

border

#D5C8C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #B83143

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

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