#B83431#B83431

#B83431 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.169 H 26.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B83431
RGB	rgb(184, 52, 49)
HSL	hsl(1, 58%, 46%)
HSV	hsv(1, 73%, 72%)
CMYK	cmyk(0%, 71.7%, 73.4%, 27.8%)
CIE-LAB	lab(42.57, 52.45, 33.11)
CIE-LCH	lch(42.57, 62.02, 32.27°)
OKLab	oklab(52.51% 0.1519 0.0749)
OKLCH	oklch(52.51% 0.169 26.3)
XYZ	xyz(21.5520, 12.8713, 4.2547)
Luminance	0.1287 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83431 #31B5B8

analogous

#B83172 #B83431 #B87731

triadic

#B83431 #31B834 #3431B8

tetradic

#B83431 #72B831 #31B5B8 #7731B8

square

#B83431 #72B831 #31B5B8 #7731B8

split-complementary

#B83431 #31B877 #3172B8

monochromatic

#571917 #882624 #B83431 #D25755 #DE8785

Accessibility & contrast

On white

5.88

#B83431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B83431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83431

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83431	#FFFFFF	#000000	##FFFFFF
##B83431	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522F

Deuteranopia (green-blind)

#7B6F2C

Tritanopia (blue-blind)

#CA0035

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b83431;
/* rgb */ color: rgb(184, 52, 49);
/* oklch */ color: oklch(52.5% 0.169 26.3);

Tailwind

colors: {
  custom: {
    50: '#d67569',
    500: '#b83431',
    950: '#000000',
  },
}

SCSS

$custom: #b83431;
$custom-light: #d67569;
$custom-dark: #000000;

JSON

{
  "hex": "#b83431",
  "rgb": {
    "r": 184,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.333,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5251,
    "c": 0.16934,
    "h": 26.3
  },
  "luminance": 0.12868
}

Semantic roles & 50–950 ramp

primary

#B83431

secondary

#7DC6C8

accent

#DEE147

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83431

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

Preview Lab → · Contrast checker → · Palette generator →