#B43231#B43231

#B43231 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.167 H 25.6°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B43231
RGB	rgb(180, 50, 49)
HSL	hsl(0, 57%, 45%)
HSV	hsv(0, 73%, 71%)
CMYK	cmyk(0%, 72.2%, 72.8%, 29.4%)
CIE-LAB	lab(41.55, 51.90, 31.74)
CIE-LCH	lch(41.55, 60.84, 31.45°)
OKLab	oklab(51.61% 0.1507 0.0722)
OKLCH	oklch(51.61% 0.167 25.6)
XYZ	xyz(20.5197, 12.2094, 4.1813)
Luminance	0.1221 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43231 #31B3B4

analogous

#B43172 #B43231 #B47431

triadic

#B43231 #31B432 #3231B4

tetradic

#B43231 #72B431 #31B3B4 #7431B4

square

#B43231 #72B431 #31B3B4 #7431B4

split-complementary

#B43231 #31B474 #3172B4

monochromatic

#541717 #842524 #B43231 #D05352 #DD8382

Accessibility & contrast

On white

6.10

#B43231 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B43231 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43231

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43231	#FFFFFF	#000000	##FFFFFF
##B43231	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585030

Deuteranopia (green-blind)

#786C2D

Tritanopia (blue-blind)

#C60033

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43231;
/* rgb */ color: rgb(180, 50, 49);
/* oklch */ color: oklch(51.6% 0.167 25.6);

Tailwind

colors: {
  custom: {
    50: '#d37369',
    500: '#b43231',
    950: '#000000',
  },
}

SCSS

$custom: #b43231;
$custom-light: #d37369;
$custom-dark: #000000;

JSON

{
  "hex": "#b43231",
  "rgb": {
    "r": 180,
    "g": 50,
    "b": 49
  },
  "hsl": {
    "h": 0.458,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51611,
    "c": 0.16704,
    "h": 25.6
  },
  "luminance": 0.12206
}

Semantic roles & 50–950 ramp

primary

#B43231

secondary

#7BC6C6

accent

#DFE047

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43231

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

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