#B33616#B33616

#B33616 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.167 H 34.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B33616
RGB	rgb(179, 54, 22)
HSL	hsl(12, 78%, 39%)
HSV	hsv(12, 88%, 70%)
CMYK	cmyk(0%, 69.8%, 87.7%, 29.8%)
CIE-LAB	lab(41.66, 49.13, 46.01)
CIE-LCH	lch(41.66, 67.31, 43.12°)
OKLab	oklab(51.58% 0.137 0.095)
OKLCH	oklch(51.58% 0.167 34.7)
XYZ	xyz(20.0568, 12.2831, 2.0737)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33616 #1693B3

analogous

#B31645 #B33616 #B38416

triadic

#B33616 #16B336 #3616B3

tetradic

#B33616 #45B316 #1693B3 #8416B3

square

#B33616 #45B316 #1693B3 #8416B3

split-complementary

#B33616 #16B384 #1645B3

monochromatic

#461509 #7C260F #B33616 #E44A22 #EB7759

Accessibility & contrast

On white

6.08

#B33616 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33616 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33616

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33616	#FFFFFF	#000000	##FFFFFF
##B33616	1.00	6.08	3.46	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C510F

Deuteranopia (green-blind)

#7A6D0D

Tritanopia (blue-blind)

#C60130

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33616;
/* rgb */ color: rgb(179, 54, 22);
/* oklch */ color: oklch(51.6% 0.167 34.7);

Tailwind

colors: {
  custom: {
    50: '#d37558',
    500: '#b33616',
    950: '#000000',
  },
}

SCSS

$custom: #b33616;
$custom-light: #d37558;
$custom-dark: #000000;

JSON

{
  "hex": "#b33616",
  "rgb": {
    "r": 179,
    "g": 54,
    "b": 22
  },
  "hsl": {
    "h": 12.229,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51581,
    "c": 0.16672,
    "h": 34.7
  },
  "luminance": 0.1228
}

Semantic roles & 50–950 ramp

primary

#B33616

secondary

#57B6CE

accent

#CDF533

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B33616

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

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