#B33716#B33716

#B33716 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.166 H 35.1°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B33716
RGB	rgb(179, 55, 22)
HSL	hsl(13, 78%, 39%)
HSV	hsv(13, 88%, 70%)
CMYK	cmyk(0%, 69.3%, 87.7%, 29.8%)
CIE-LAB	lab(41.81, 48.73, 46.13)
CIE-LCH	lch(41.81, 67.10, 43.43°)
OKLab	oklab(51.69% 0.1358 0.0953)
OKLCH	oklch(51.69% 0.166 35.1)
XYZ	xyz(20.1038, 12.3771, 2.0894)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33716 #1692B3

analogous

#B31644 #B33716 #B38516

triadic

#B33716 #16B337 #3716B3

tetradic

#B33716 #44B316 #1692B3 #8516B3

square

#B33716 #44B316 #1692B3 #8516B3

split-complementary

#B33716 #16B385 #1644B3

monochromatic

#461609 #7C260F #B33716 #E44B22 #EB7759

Accessibility & contrast

On white

6.04

#B33716 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33716 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33716

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33716	#FFFFFF	#000000	##FFFFFF
##B33716	1.00	6.04	3.47	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C510F

Deuteranopia (green-blind)

#7B6D0D

Tritanopia (blue-blind)

#C60531

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33716;
/* rgb */ color: rgb(179, 55, 22);
/* oklch */ color: oklch(51.7% 0.166 35.1);

Tailwind

colors: {
  custom: {
    50: '#d37558',
    500: '#b33716',
    950: '#000000',
  },
}

SCSS

$custom: #b33716;
$custom-light: #d37558;
$custom-dark: #000000;

JSON

{
  "hex": "#b33716",
  "rgb": {
    "r": 179,
    "g": 55,
    "b": 22
  },
  "hsl": {
    "h": 12.611,
    "s": 78.109,
    "l": 39.412
  },
  "oklch": {
    "l": 0.51691,
    "c": 0.16587,
    "h": 35.1
  },
  "luminance": 0.12374
}

Semantic roles & 50–950 ramp

primary

#B33716

secondary

#57B5CE

accent

#CCF533

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B33716

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

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