#B43317#B43317

#B43317 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.170 H 33.5°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B43317
RGB	rgb(180, 51, 23)
HSL	hsl(11, 77%, 40%)
HSV	hsv(11, 87%, 71%)
CMYK	cmyk(0%, 71.7%, 87.2%, 29.4%)
CIE-LAB	lab(41.43, 50.65, 45.46)
CIE-LCH	lch(41.43, 68.06, 41.91°)
OKLab	oklab(51.44% 0.1418 0.094)
OKLCH	oklch(51.44% 0.17 33.5)
XYZ	xyz(20.1633, 12.1360, 2.0912)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43317 #1798B4

analogous

#B41749 #B43317 #B48217

triadic

#B43317 #17B433 #3317B4

tetradic

#B43317 #49B417 #1798B4 #8217B4

square

#B43317 #49B417 #1798B4 #8217B4

split-complementary

#B43317 #17B482 #1749B4

monochromatic

#471409 #7E2410 #B43317 #E34725 #EA755B

Accessibility & contrast

On white

6.13

#B43317 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B43317 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43317

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43317	#FFFFFF	#000000	##FFFFFF
##B43317	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F11

Deuteranopia (green-blind)

#7A6C0E

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43317;
/* rgb */ color: rgb(180, 51, 23);
/* oklch */ color: oklch(51.4% 0.170 33.5);

Tailwind

colors: {
  custom: {
    50: '#d47358',
    500: '#b43317',
    950: '#000000',
  },
}

SCSS

$custom: #b43317;
$custom-light: #d47358;
$custom-dark: #000000;

JSON

{
  "hex": "#b43317",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 23
  },
  "hsl": {
    "h": 10.701,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.51444,
    "c": 0.1701,
    "h": 33.5
  },
  "luminance": 0.12133
}

Semantic roles & 50–950 ramp

primary

#B43317

secondary

#59B9CE

accent

#D2F434

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43317

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

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