#B83139#B83139

#B83139 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.171 H 22.4°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B83139
RGB	rgb(184, 49, 57)
HSL	hsl(356, 58%, 46%)
HSV	hsv(356, 73%, 72%)
CMYK	cmyk(0%, 73.4%, 69%, 27.8%)
CIE-LAB	lab(42.29, 53.92, 28.02)
CIE-LCH	lch(42.29, 60.77, 27.46°)
OKLab	oklab(52.34% 0.1583 0.0652)
OKLCH	oklch(52.34% 0.171 22.4)
XYZ	xyz(21.6064, 12.6856, 5.1810)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83139 #31B8B0

analogous

#B8317D #B83139 #B86C31

triadic

#B83139 #39B831 #3139B8

tetradic

#B83139 #7DB831 #31B8B0 #6C31B8

square

#B83139 #7DB831 #31B8B0 #6C31B8

split-complementary

#B83139 #31B86C #317DB8

monochromatic

#57171B #88242A #B83139 #D2555C #DE858A

Accessibility & contrast

On white

5.94

#B83139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B83139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83139

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83139	#FFFFFF	#000000	##FFFFFF
##B83139	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585138

Deuteranopia (green-blind)

#7A6E35

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83139;
/* rgb */ color: rgb(184, 49, 57);
/* oklch */ color: oklch(52.3% 0.171 22.4);

Tailwind

colors: {
  custom: {
    50: '#d5736f',
    500: '#b83139',
    950: '#000000',
  },
}

SCSS

$custom: #b83139;
$custom-light: #d5736f;
$custom-dark: #000000;

JSON

{
  "hex": "#b83139",
  "rgb": {
    "r": 184,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.444,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52335,
    "c": 0.17118,
    "h": 22.4
  },
  "luminance": 0.12682
}

Semantic roles & 50–950 ramp

primary

#B83139

secondary

#7DC8C4

accent

#E1D847

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83139

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

Preview Lab → · Contrast checker → · Palette generator →