#B83D37#B83D37

#B83D37 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.160 H 26.7°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#B83D37
RGB	rgb(184, 61, 55)
HSL	hsl(3, 54%, 47%)
HSV	hsv(3, 70%, 72%)
CMYK	cmyk(0%, 66.8%, 70.1%, 27.8%)
CIE-LAB	lab(43.95, 49.16, 31.21)
CIE-LCH	lch(43.95, 58.23, 32.41°)
OKLab	oklab(53.57% 0.1428 0.0719)
OKLCH	oklch(53.57% 0.16 26.7)
XYZ	xyz(22.1278, 13.8068, 5.1135)
Luminance	0.1380 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83D37 #37B2B8

analogous

#B83771 #B83D37 #B87E37

triadic

#B83D37 #37B83D #3D37B8

tetradic

#B83D37 #71B837 #37B2B8 #7E37B8

square

#B83D37 #71B837 #37B2B8 #7E37B8

split-complementary

#B83D37 #37B87E #3771B8

monochromatic

#5A1E1B #892D29 #B83D37 #CF635D #DD908D

Accessibility & contrast

On white

5.58

#B83D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#B83D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83D37

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83D37	#FFFFFF	#000000	##FFFFFF
##B83D37	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5735

Deuteranopia (green-blind)

#7E7233

Tritanopia (blue-blind)

#CA1C3D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b83d37;
/* rgb */ color: rgb(184, 61, 55);
/* oklch */ color: oklch(53.6% 0.160 26.7);

Tailwind

colors: {
  custom: {
    50: '#d5796e',
    500: '#b83d37',
    950: '#000000',
  },
}

SCSS

$custom: #b83d37;
$custom-light: #d5796e;
$custom-dark: #000000;

JSON

{
  "hex": "#b83d37",
  "rgb": {
    "r": 184,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.791,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53573,
    "c": 0.15988,
    "h": 26.7
  },
  "luminance": 0.13804
}

Semantic roles & 50–950 ramp

primary

#B83D37

secondary

#84C4C7

accent

#D7DD4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #B83D37

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

Preview Lab → · Contrast checker → · Palette generator →