#B83830#B83830

#B83830 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.9% C 0.166 H 27.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B83830
RGB	rgb(184, 56, 48)
HSL	hsl(4, 59%, 45%)
HSV	hsv(4, 74%, 72%)
CMYK	cmyk(0%, 69.6%, 73.9%, 27.8%)
CIE-LAB	lab(43.12, 50.87, 34.31)
CIE-LCH	lch(43.12, 61.36, 34.00°)
OKLab	oklab(52.92% 0.1467 0.0773)
OKLCH	oklch(52.92% 0.166 27.8)
XYZ	xyz(21.7173, 13.2353, 4.2069)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83830 #30B0B8

analogous

#B8306C #B83830 #B87C30

triadic

#B83830 #30B838 #3830B8

tetradic

#B83830 #6CB830 #30B0B8 #7C30B8

square

#B83830 #6CB830 #30B0B8 #7C30B8

split-complementary

#B83830 #30B87C #306CB8

monochromatic

#571A17 #872923 #B83830 #D25B53 #DF8984

Accessibility & contrast

On white

5.76

#B83830 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B83830 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83830

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83830	#FFFFFF	#000000	##FFFFFF
##B83830	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542E

Deuteranopia (green-blind)

#7D702C

Tritanopia (blue-blind)

#CA0C37

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b83830;
/* rgb */ color: rgb(184, 56, 48);
/* oklch */ color: oklch(52.9% 0.166 27.8);

Tailwind

colors: {
  custom: {
    50: '#d57769',
    500: '#b83830',
    950: '#000000',
  },
}

SCSS

$custom: #b83830;
$custom-light: #d57769;
$custom-dark: #000000;

JSON

{
  "hex": "#b83830",
  "rgb": {
    "r": 184,
    "g": 56,
    "b": 48
  },
  "hsl": {
    "h": 3.529,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52915,
    "c": 0.16581,
    "h": 27.8
  },
  "luminance": 0.13232
}

Semantic roles & 50–950 ramp

primary

#B83830

secondary

#7CC4C8

accent

#D9E246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83830

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

Preview Lab → · Contrast checker → · Palette generator →