#B43316#B43316

#B43316 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.170 H 33.7°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B43316
RGB	rgb(180, 51, 22)
HSL	hsl(11, 78%, 40%)
HSV	hsv(11, 88%, 71%)
CMYK	cmyk(0%, 71.7%, 87.8%, 29.4%)
CIE-LAB	lab(41.43, 50.63, 45.89)
CIE-LCH	lch(41.43, 68.34, 42.19°)
OKLab	oklab(51.44% 0.1416 0.0946)
OKLCH	oklch(51.44% 0.17 33.7)
XYZ	xyz(20.1535, 12.1320, 2.0395)
Luminance	0.1213 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43316 #1697B4

analogous

#B41648 #B43316 #B48216

triadic

#B43316 #16B433 #3316B4

tetradic

#B43316 #48B416 #1697B4 #8216B4

square

#B43316 #48B416 #1697B4 #8216B4

split-complementary

#B43316 #16B482 #1648B4

monochromatic

#471409 #7D240F #B43316 #E44723 #EB745A

Accessibility & contrast

On white

6.13

#B43316 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B43316 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43316

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43316	#FFFFFF	#000000	##FFFFFF
##B43316	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)

#5A4F10

Deuteranopia (green-blind)

#7A6C0C

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43316;
/* rgb */ color: rgb(180, 51, 22);
/* oklch */ color: oklch(51.4% 0.170 33.7);

Tailwind

colors: {
  custom: {
    50: '#d47358',
    500: '#b43316',
    950: '#000000',
  },
}

SCSS

$custom: #b43316;
$custom-light: #d47358;
$custom-dark: #000000;

JSON

{
  "hex": "#b43316",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 22
  },
  "hsl": {
    "h": 11.013,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.51438,
    "c": 0.17024,
    "h": 33.7
  },
  "luminance": 0.12129
}

Semantic roles & 50–950 ramp

primary

#B43316

secondary

#58B8CE

accent

#D1F533

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43316

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

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