#B43B16#B43B16

#B43B16 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.3% C 0.163 H 36.3°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#B43B16
RGB	rgb(180, 59, 22)
HSL	hsl(14, 78%, 40%)
HSV	hsv(14, 88%, 71%)
CMYK	cmyk(0%, 67.2%, 87.8%, 29.4%)
CIE-LAB	lab(42.60, 47.43, 46.84)
CIE-LCH	lch(42.60, 66.66, 44.64°)
OKLab	oklab(52.32% 0.1317 0.0968)
OKLCH	oklch(52.32% 0.163 36.3)
XYZ	xyz(20.5336, 12.8923, 2.1662)
Luminance	0.1289 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B16 #168FB4

analogous

#B41640 #B43B16 #B48A16

triadic

#B43B16 #16B43B #3B16B4

tetradic

#B43B16 #40B416 #168FB4 #8A16B4

square

#B43B16 #40B416 #168FB4 #8A16B4

split-complementary

#B43B16 #16B48A #1640B4

monochromatic

#471709 #7D290F #B43B16 #E45023 #EB7C5A

Accessibility & contrast

On white

5.87

#B43B16 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43B16 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B16

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B16	#FFFFFF	#000000	##FFFFFF
##B43B16	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F530E

Deuteranopia (green-blind)

#7D6F0E

Tritanopia (blue-blind)

#C71234

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b16;
/* rgb */ color: rgb(180, 59, 22);
/* oklch */ color: oklch(52.3% 0.163 36.3);

Tailwind

colors: {
  custom: {
    50: '#d47758',
    500: '#b43b16',
    950: '#000000',
  },
}

SCSS

$custom: #b43b16;
$custom-light: #d47758;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b16",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 22
  },
  "hsl": {
    "h": 14.051,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52319,
    "c": 0.16346,
    "h": 36.3
  },
  "luminance": 0.12889
}

Semantic roles & 50–950 ramp

primary

#B43B16

secondary

#58B2CE

accent

#C7F533

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43B16

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

Preview Lab → · Contrast checker → · Palette generator →