#B83031#B83031

#B83031 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.173 H 25.2°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#B83031
RGB	rgb(184, 48, 49)
HSL	hsl(360, 59%, 45%)
HSV	hsv(360, 74%, 72%)
CMYK	cmyk(0%, 73.9%, 73.4%, 27.8%)
CIE-LAB	lab(42.05, 53.89, 32.51)
CIE-LCH	lch(42.05, 62.94, 31.10°)
OKLab	oklab(52.12% 0.1565 0.0736)
OKLCH	oklch(52.12% 0.173 25.2)
XYZ	xyz(21.3809, 12.5293, 4.1977)
Luminance	0.1253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B83031 #30B8B7

analogous

#B83075 #B83031 #B87330

triadic

#B83031 #31B830 #3031B8

tetradic

#B83031 #75B830 #30B8B7 #7330B8

square

#B83031 #75B830 #30B8B7 #7330B8

split-complementary

#B83031 #30B873 #3075B8

monochromatic

#571717 #872324 #B83031 #D25354 #DF8484

Accessibility & contrast

On white

5.99

#B83031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B83031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B83031

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B83031	#FFFFFF	#000000	##FFFFFF
##B83031	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585030

Deuteranopia (green-blind)

#7A6E2C

Tritanopia (blue-blind)

#CB0032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b83031;
/* rgb */ color: rgb(184, 48, 49);
/* oklch */ color: oklch(52.1% 0.173 25.2);

Tailwind

colors: {
  custom: {
    50: '#d67369',
    500: '#b83031',
    950: '#000000',
  },
}

SCSS

$custom: #b83031;
$custom-light: #d67369;
$custom-dark: #000000;

JSON

{
  "hex": "#b83031",
  "rgb": {
    "r": 184,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.559,
    "s": 58.621,
    "l": 45.49
  },
  "oklch": {
    "l": 0.5212,
    "c": 0.1729,
    "h": 25.2
  },
  "luminance": 0.12526
}

Semantic roles & 50–950 ramp

primary

#B83031

secondary

#7CC8C8

accent

#E2E146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B83031

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

Preview Lab → · Contrast checker → · Palette generator →