#B83B33#B83B33

#B83B33 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.3% C 0.162 H 27.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B83B33
RGB	rgb(184, 59, 51)
HSL	hsl(4, 57%, 46%)
HSV	hsv(4, 72%, 72%)
CMYK	cmyk(0%, 67.9%, 72.3%, 27.8%)
CIE-LAB	lab(43.60, 49.80, 33.13)
CIE-LCH	lch(43.60, 59.81, 33.63°)
OKLab	oklab(53.29% 0.1439 0.0754)
OKLCH	oklch(53.29% 0.162 27.6)
XYZ	xyz(21.9311, 13.5605, 4.5940)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83B33 #33B0B8

analogous

#B8336D #B83B33 #B87D33

triadic

#B83B33 #33B83B #3B33B8

tetradic

#B83B33 #6DB833 #33B0B8 #7D33B8

square

#B83B33 #6DB833 #33B0B8 #7D33B8

split-complementary

#B83B33 #33B87D #336DB8

monochromatic

#581C18 #882C26 #B83B33 #D15F58 #DE8D88

Accessibility & contrast

On white

5.66

#B83B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B83B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83B33

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83B33	#FFFFFF	#000000	##FFFFFF
##B83B33	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5631

Deuteranopia (green-blind)

#7D712F

Tritanopia (blue-blind)

#CA163A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b83b33;
/* rgb */ color: rgb(184, 59, 51);
/* oklch */ color: oklch(53.3% 0.162 27.6);

Tailwind

colors: {
  custom: {
    50: '#d5786b',
    500: '#b83b33',
    950: '#000000',
  },
}

SCSS

$custom: #b83b33;
$custom-light: #d5786b;
$custom-dark: #000000;

JSON

{
  "hex": "#b83b33",
  "rgb": {
    "r": 184,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3.609,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53287,
    "c": 0.16247,
    "h": 27.6
  },
  "luminance": 0.13557
}

Semantic roles & 50–950 ramp

primary

#B83B33

secondary

#7FC3C8

accent

#D7E048

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83B33

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

Preview Lab → · Contrast checker → · Palette generator →