#B33338#B33338

#B33338 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.164 H 23.0°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B33338
RGB	rgb(179, 51, 56)
HSL	hsl(358, 56%, 45%)
HSV	hsv(358, 72%, 70%)
CMYK	cmyk(0%, 71.5%, 68.7%, 29.8%)
CIE-LAB	lab(41.59, 51.55, 27.57)
CIE-LCH	lch(41.59, 58.46, 28.13°)
OKLab	oklab(51.64% 0.1512 0.0643)
OKLCH	oklch(51.64% 0.164 23)
XYZ	xyz(20.4903, 12.2399, 5.0242)
Luminance	0.1224 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33338 #33B3AE

analogous

#B33378 #B33338 #B36E33

triadic

#B33338 #38B333 #3338B3

tetradic

#B33338 #78B333 #33B3AE #6E33B3

square

#B33338 #78B333 #33B3AE #6E33B3

split-complementary

#B33338 #33B36E #3378B3

monochromatic

#54181A #832529 #B33338 #CE5559 #DC8488

Accessibility & contrast

On white

6.09

#B33338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B33338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33338

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33338	#FFFFFF	#000000	##FFFFFF
##B33338	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575137

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#C50436

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33338;
/* rgb */ color: rgb(179, 51, 56);
/* oklch */ color: oklch(51.6% 0.164 23.0);

Tailwind

colors: {
  custom: {
    50: '#d1746e',
    500: '#b33338',
    950: '#000000',
  },
}

SCSS

$custom: #b33338;
$custom-light: #d1746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b33338",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.656,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51644,
    "c": 0.16426,
    "h": 23
  },
  "luminance": 0.12237
}

Semantic roles & 50–950 ramp

primary

#B33338

secondary

#7CC6C3

accent

#DFD949

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B33338

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

Preview Lab → · Contrast checker → · Palette generator →