#B83339#B83339

#B83339 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.169 H 22.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B83339
RGB	rgb(184, 51, 57)
HSL	hsl(357, 57%, 46%)
HSV	hsv(357, 72%, 72%)
CMYK	cmyk(0%, 72.3%, 69%, 27.8%)
CIE-LAB	lab(42.55, 53.20, 28.34)
CIE-LCH	lch(42.55, 60.28, 28.04°)
OKLab	oklab(52.53% 0.156 0.0659)
OKLCH	oklch(52.53% 0.169 22.9)
XYZ	xyz(21.6919, 12.8566, 5.2095)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83339 #33B8B2

analogous

#B8337B #B83339 #B86F33

triadic

#B83339 #39B833 #3339B8

tetradic

#B83339 #7BB833 #33B8B2 #6F33B8

square

#B83339 #7BB833 #33B8B2 #6F33B8

split-complementary

#B83339 #33B86F #337BB8

monochromatic

#58181B #88262A #B83339 #D1585D #DE888B

Accessibility & contrast

On white

5.88

#B83339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B83339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83339

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83339	#FFFFFF	#000000	##FFFFFF
##B83339	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595238

Deuteranopia (green-blind)

#7A6F35

Tritanopia (blue-blind)

#CA0037

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83339;
/* rgb */ color: rgb(184, 51, 57);
/* oklch */ color: oklch(52.5% 0.169 22.9);

Tailwind

colors: {
  custom: {
    50: '#d5746f',
    500: '#b83339',
    950: '#000000',
  },
}

SCSS

$custom: #b83339;
$custom-light: #d5746f;
$custom-dark: #000000;

JSON

{
  "hex": "#b83339",
  "rgb": {
    "r": 184,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.293,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52529,
    "c": 0.16932,
    "h": 22.9
  },
  "luminance": 0.12853
}

Semantic roles & 50–950 ramp

primary

#B83339

secondary

#7FC8C4

accent

#E0D948

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83339

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

Preview Lab → · Contrast checker → · Palette generator →