#B83331#B83331

#B83331 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.170 H 26.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#B83331
RGB	rgb(184, 51, 49)
HSL	hsl(1, 58%, 46%)
HSV	hsv(1, 73%, 72%)
CMYK	cmyk(0%, 72.3%, 73.4%, 27.8%)
CIE-LAB	lab(42.43, 52.82, 32.96)
CIE-LCH	lch(42.43, 62.26, 31.97°)
OKLab	oklab(52.41% 0.153 0.0746)
OKLCH	oklch(52.41% 0.17 26)
XYZ	xyz(21.5078, 12.7830, 4.2400)
Luminance	0.1278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83331 #31B6B8

analogous

#B83172 #B83331 #B87631

triadic

#B83331 #31B833 #3331B8

tetradic

#B83331 #72B831 #31B6B8 #7631B8

square

#B83331 #72B831 #31B6B8 #7631B8

split-complementary

#B83331 #31B876 #3172B8

monochromatic

#571817 #882624 #B83331 #D25655 #DE8685

Accessibility & contrast

On white

5.91

#B83331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B83331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83331

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83331	#FFFFFF	#000000	##FFFFFF
##B83331	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522F

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#CA0034

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83331;
/* rgb */ color: rgb(184, 51, 49);
/* oklch */ color: oklch(52.4% 0.170 26.0);

Tailwind

colors: {
  custom: {
    50: '#d67469',
    500: '#b83331',
    950: '#000000',
  },
}

SCSS

$custom: #b83331;
$custom-light: #d67469;
$custom-dark: #000000;

JSON

{
  "hex": "#b83331",
  "rgb": {
    "r": 184,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.889,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5241,
    "c": 0.17025,
    "h": 26
  },
  "luminance": 0.1278
}

Semantic roles & 50–950 ramp

primary

#B83331

secondary

#7DC7C8

accent

#DFE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83331

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

Preview Lab → · Contrast checker → · Palette generator →