#B83937#B83937

#B83937 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.164 H 25.4°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B83937
RGB	rgb(184, 57, 55)
HSL	hsl(1, 54%, 47%)
HSV	hsv(1, 70%, 72%)
CMYK	cmyk(0%, 69%, 70.1%, 27.8%)
CIE-LAB	lab(43.35, 50.80, 30.50)
CIE-LCH	lch(43.35, 59.25, 30.98°)
OKLab	oklab(53.12% 0.148 0.0704)
OKLCH	oklch(53.12% 0.164 25.4)
XYZ	xyz(21.9222, 13.3956, 5.0450)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83937 #37B6B8

analogous

#B83776 #B83937 #B87A37

triadic

#B83937 #37B839 #3937B8

tetradic

#B83937 #76B837 #37B6B8 #7A37B8

square

#B83937 #76B837 #37B6B8 #7A37B8

split-complementary

#B83937 #37B87A #3776B8

monochromatic

#5A1C1B #892A29 #B83937 #CF5F5D #DD8E8D

Accessibility & contrast

On white

5.71

#B83937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B83937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83937

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83937	#FFFFFF	#000000	##FFFFFF
##B83937	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5536

Deuteranopia (green-blind)

#7C7133

Tritanopia (blue-blind)

#CA123A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83937;
/* rgb */ color: rgb(184, 57, 55);
/* oklch */ color: oklch(53.1% 0.164 25.4);

Tailwind

colors: {
  custom: {
    50: '#d5776e',
    500: '#b83937',
    950: '#000000',
  },
}

SCSS

$custom: #b83937;
$custom-light: #d5776e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83937",
  "rgb": {
    "r": 184,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.93,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53123,
    "c": 0.16383,
    "h": 25.4
  },
  "luminance": 0.13392
}

Semantic roles & 50–950 ramp

primary

#B83937

secondary

#84C6C7

accent

#DBDD4A

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83937

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

Preview Lab → · Contrast checker → · Palette generator →