#B33317#B33317

#B33317 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.169 H 33.6°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#B33317
RGB	rgb(179, 51, 23)
HSL	hsl(11, 77%, 40%)
HSV	hsv(11, 87%, 70%)
CMYK	cmyk(0%, 71.5%, 87.2%, 29.8%)
CIE-LAB	lab(41.24, 50.32, 45.23)
CIE-LCH	lch(41.24, 67.66, 41.95°)
OKLab	oklab(51.27% 0.1408 0.0936)
OKLCH	oklch(51.27% 0.169 33.6)
XYZ	xyz(19.9313, 12.0163, 2.0804)
Luminance	0.1201 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33317 #1797B3

analogous

#B31749 #B33317 #B38117

triadic

#B33317 #17B333 #3317B3

tetradic

#B33317 #49B317 #1797B3 #8117B3

square

#B33317 #49B317 #1797B3 #8117B3

split-complementary

#B33317 #17B381 #1749B3

monochromatic

#471409 #7D2410 #B33317 #E34724 #EA745B

Accessibility & contrast

On white

6.17

#B33317 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B33317 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33317

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33317	#FFFFFF	#000000	##FFFFFF
##B33317	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F11

Deuteranopia (green-blind)

#796C0E

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b33317;
/* rgb */ color: rgb(179, 51, 23);
/* oklch */ color: oklch(51.3% 0.169 33.6);

Tailwind

colors: {
  custom: {
    50: '#d37358',
    500: '#b33317',
    950: '#000000',
  },
}

SCSS

$custom: #b33317;
$custom-light: #d37358;
$custom-dark: #000000;

JSON

{
  "hex": "#b33317",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 23
  },
  "hsl": {
    "h": 10.769,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51268,
    "c": 0.16909,
    "h": 33.6
  },
  "luminance": 0.12013
}

Semantic roles & 50–950 ramp

primary

#B33317

secondary

#58B8CD

accent

#D1F434

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B33317

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

Preview Lab → · Contrast checker → · Palette generator →