#B33336#B33336

#B33336 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.164 H 23.9°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#B33336
RGB	rgb(179, 51, 54)
HSL	hsl(359, 56%, 45%)
HSV	hsv(359, 72%, 70%)
CMYK	cmyk(0%, 71.5%, 69.8%, 29.8%)
CIE-LAB	lab(41.56, 51.45, 28.74)
CIE-LCH	lch(41.56, 58.93, 29.19°)
OKLab	oklab(51.61% 0.1504 0.0665)
OKLCH	oklch(51.61% 0.164 23.9)
XYZ	xyz(20.4423, 12.2207, 4.7717)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33336 #33B3B0

analogous

#B33376 #B33336 #B37033

triadic

#B33336 #36B333 #3336B3

tetradic

#B33336 #76B333 #33B3B0 #7033B3

square

#B33336 #76B333 #33B3B0 #7033B3

split-complementary

#B33336 #33B370 #3376B3

monochromatic

#541819 #832528 #B33336 #CE5558 #DC8486

Accessibility & contrast

On white

6.10

#B33336 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#B33336 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33336

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33336	#FFFFFF	#000000	##FFFFFF
##B33336	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)

#575135

Deuteranopia (green-blind)

#776C32

Tritanopia (blue-blind)

#C50335

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33336;
/* rgb */ color: rgb(179, 51, 54);
/* oklch */ color: oklch(51.6% 0.164 23.9);

Tailwind

colors: {
  custom: {
    50: '#d1746d',
    500: '#b33336',
    950: '#000000',
  },
}

SCSS

$custom: #b33336;
$custom-light: #d1746d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33336",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 54
  },
  "hsl": {
    "h": 358.594,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51612,
    "c": 0.16447,
    "h": 23.9
  },
  "luminance": 0.12218
}

Semantic roles & 50–950 ramp

primary

#B33336

secondary

#7CC6C4

accent

#DFDB49

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33336

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

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