#B33617#B33617

#B33617 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.167 H 34.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B33617
RGB	rgb(179, 54, 23)
HSL	hsl(12, 77%, 40%)
HSV	hsv(12, 87%, 70%)
CMYK	cmyk(0%, 69.8%, 87.2%, 29.8%)
CIE-LAB	lab(41.67, 49.15, 45.58)
CIE-LCH	lch(41.67, 67.03, 42.84°)
OKLab	oklab(51.59% 0.1372 0.0944)
OKLCH	oklch(51.59% 0.167 34.5)
XYZ	xyz(20.0666, 12.2870, 2.1255)
Luminance	0.1228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33617 #1794B3

analogous

#B31746 #B33617 #B38417

triadic

#B33617 #17B336 #3617B3

tetradic

#B33617 #46B317 #1794B3 #8417B3

square

#B33617 #46B317 #1794B3 #8417B3

split-complementary

#B33617 #17B384 #1746B3

monochromatic

#471509 #7D2610 #B33617 #E34A24 #EA775B

Accessibility & contrast

On white

6.07

#B33617 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B33617 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33617

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33617	#FFFFFF	#000000	##FFFFFF
##B33617	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5111

Deuteranopia (green-blind)

#7A6D0E

Tritanopia (blue-blind)

#C60131

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b33617;
/* rgb */ color: rgb(179, 54, 23);
/* oklch */ color: oklch(51.6% 0.167 34.5);

Tailwind

colors: {
  custom: {
    50: '#d37558',
    500: '#b33617',
    950: '#000000',
  },
}

SCSS

$custom: #b33617;
$custom-light: #d37558;
$custom-dark: #000000;

JSON

{
  "hex": "#b33617",
  "rgb": {
    "r": 179,
    "g": 54,
    "b": 23
  },
  "hsl": {
    "h": 11.923,
    "s": 77.228,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51588,
    "c": 0.16657,
    "h": 34.5
  },
  "luminance": 0.12284
}

Semantic roles & 50–950 ramp

primary

#B33617

secondary

#58B6CD

accent

#CEF434

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B33617

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

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