#B83638#B83638

#B83638 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.167 H 24.1°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B83638
RGB	rgb(184, 54, 56)
HSL	hsl(359, 55%, 47%)
HSV	hsv(359, 71%, 72%)
CMYK	cmyk(0%, 70.7%, 69.6%, 27.8%)
CIE-LAB	lab(42.94, 52.02, 29.41)
CIE-LCH	lch(42.94, 59.76, 29.48°)
OKLab	oklab(52.82% 0.152 0.0681)
OKLCH	oklch(52.82% 0.167 24.1)
XYZ	xyz(21.8025, 13.1174, 5.1245)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83638 #36B8B6

analogous

#B83679 #B83638 #B87536

triadic

#B83638 #38B836 #3638B8

tetradic

#B83638 #79B836 #36B8B6 #7536B8

square

#B83638 #79B836 #36B8B6 #7536B8

split-complementary

#B83638 #36B875 #3679B8

monochromatic

#591A1B #89282A #B83638 #CF5C5E #DD8B8D

Accessibility & contrast

On white

5.80

#B83638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B83638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83638

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83638	#FFFFFF	#000000	##FFFFFF
##B83638	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5437

Deuteranopia (green-blind)

#7B7034

Tritanopia (blue-blind)

#CA0938

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b83638;
/* rgb */ color: rgb(184, 54, 56);
/* oklch */ color: oklch(52.8% 0.167 24.1);

Tailwind

colors: {
  custom: {
    50: '#d5766e',
    500: '#b83638',
    950: '#000000',
  },
}

SCSS

$custom: #b83638;
$custom-light: #d5766e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83638",
  "rgb": {
    "r": 184,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.077,
    "s": 54.622,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52818,
    "c": 0.1666,
    "h": 24.1
  },
  "luminance": 0.13114
}

Semantic roles & 50–950 ramp

primary

#B83638

secondary

#82C7C6

accent

#DEDC4A

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83638

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

Preview Lab → · Contrast checker → · Palette generator →