#B33217#B33217

#B33217 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.170 H 33.3°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#B33217
RGB	rgb(179, 50, 23)
HSL	hsl(10, 77%, 40%)
HSV	hsv(10, 87%, 70%)
CMYK	cmyk(0%, 72.1%, 87.2%, 29.8%)
CIE-LAB	lab(41.10, 50.70, 45.11)
CIE-LCH	lch(41.10, 67.86, 41.66°)
OKLab	oklab(51.17% 0.142 0.0933)
OKLCH	oklch(51.17% 0.17 33.3)
XYZ	xyz(19.8881, 11.9299, 2.0660)
Luminance	0.1193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33217 #1798B3

analogous

#B3174A #B33217 #B38017

triadic

#B33217 #17B332 #3217B3

tetradic

#B33217 #4AB317 #1798B3 #8017B3

square

#B33217 #4AB317 #1798B3 #8017B3

split-complementary

#B33217 #17B380 #174AB3

monochromatic

#471409 #7D2310 #B33217 #E34524 #EA735B

Accessibility & contrast

On white

6.20

#B33217 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#B33217 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33217

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33217	#FFFFFF	#000000	##FFFFFF
##B33217	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F11

Deuteranopia (green-blind)

#796B0E

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33217;
/* rgb */ color: rgb(179, 50, 23);
/* oklch */ color: oklch(51.2% 0.170 33.3);

Tailwind

colors: {
  custom: {
    50: '#d37358',
    500: '#b33217',
    950: '#000000',
  },
}

SCSS

$custom: #b33217;
$custom-light: #d37358;
$custom-dark: #000000;

JSON

{
  "hex": "#b33217",
  "rgb": {
    "r": 179,
    "g": 50,
    "b": 23
  },
  "hsl": {
    "h": 10.385,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.16992,
    "h": 33.3
  },
  "luminance": 0.11927
}

Semantic roles & 50–950 ramp

primary

#B33217

secondary

#58B9CD

accent

#D3F434

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160803

muted

#847B78

Preview Lab

Preview with #B33217

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

Preview Lab → · Contrast checker → · Palette generator →