#B83B38#B83B38

#B83B38 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.4% C 0.162 H 25.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#B83B38
RGB	rgb(184, 59, 56)
HSL	hsl(1, 53%, 47%)
HSV	hsv(1, 70%, 72%)
CMYK	cmyk(0%, 67.9%, 69.6%, 27.8%)
CIE-LAB	lab(43.66, 50.04, 30.28)
CIE-LCH	lch(43.66, 58.49, 31.18°)
OKLab	oklab(53.36% 0.1458 0.07)
OKLCH	oklch(53.36% 0.162 25.7)
XYZ	xyz(22.0473, 13.6070, 5.2061)
Luminance	0.1360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83B38 #38B5B8

analogous

#B83875 #B83B38 #B87B38

triadic

#B83B38 #38B83B #3B38B8

tetradic

#B83B38 #75B838 #38B5B8 #7B38B8

square

#B83B38 #75B838 #38B5B8 #7B38B8

split-complementary

#B83B38 #38B87B #3875B8

monochromatic

#5A1D1B #892C2A #B83B38 #CE625F #DD908E

Accessibility & contrast

On white

5.64

#B83B38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#B83B38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83B38

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83B38	#FFFFFF	#000000	##FFFFFF
##B83B38	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5637

Deuteranopia (green-blind)

#7D7134

Tritanopia (blue-blind)

#CA183C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83b38;
/* rgb */ color: rgb(184, 59, 56);
/* oklch */ color: oklch(53.4% 0.162 25.7);

Tailwind

colors: {
  custom: {
    50: '#d5786f',
    500: '#b83b38',
    950: '#000000',
  },
}

SCSS

$custom: #b83b38;
$custom-light: #d5786f;
$custom-dark: #000000;

JSON

{
  "hex": "#b83b38",
  "rgb": {
    "r": 184,
    "g": 59,
    "b": 56
  },
  "hsl": {
    "h": 1.406,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5336,
    "c": 0.16172,
    "h": 25.7
  },
  "luminance": 0.13604
}

Semantic roles & 50–950 ramp

primary

#B83B38

secondary

#85C6C7

accent

#D9DD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B83B38

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

Preview Lab → · Contrast checker → · Palette generator →