#B43C17#B43C17

#B43C17 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.162 H 36.5°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43C17
RGB	rgb(180, 60, 23)
HSL	hsl(14, 77%, 40%)
HSV	hsv(14, 87%, 71%)
CMYK	cmyk(0%, 66.7%, 87.2%, 29.4%)
CIE-LAB	lab(42.76, 47.03, 46.55)
CIE-LCH	lch(42.76, 66.17, 44.71°)
OKLab	oklab(52.44% 0.1306 0.0966)
OKLCH	oklch(52.44% 0.162 36.5)
XYZ	xyz(20.5953, 13.0000, 2.2352)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43C17 #178FB4

analogous

#B41741 #B43C17 #B48A17

triadic

#B43C17 #17B43C #3C17B4

tetradic

#B43C17 #41B417 #178FB4 #8A17B4

square

#B43C17 #41B417 #178FB4 #8A17B4

split-complementary

#B43C17 #17B48A #1741B4

monochromatic

#471809 #7E2A10 #B43C17 #E35225 #EA7D5B

Accessibility & contrast

On white

5.83

#B43C17 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43C17 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43C17

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43C17	#FFFFFF	#000000	##FFFFFF
##B43C17	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5410

Deuteranopia (green-blind)

#7D6F0F

Tritanopia (blue-blind)

#C71535

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43c17;
/* rgb */ color: rgb(180, 60, 23);
/* oklch */ color: oklch(52.4% 0.162 36.5);

Tailwind

colors: {
  custom: {
    50: '#d47859',
    500: '#b43c17',
    950: '#000000',
  },
}

SCSS

$custom: #b43c17;
$custom-light: #d47859;
$custom-dark: #000000;

JSON

{
  "hex": "#b43c17",
  "rgb": {
    "r": 180,
    "g": 60,
    "b": 23
  },
  "hsl": {
    "h": 14.14,
    "s": 77.34,
    "l": 39.804
  },
  "oklch": {
    "l": 0.52444,
    "c": 0.16242,
    "h": 36.5
  },
  "luminance": 0.12997
}

Semantic roles & 50–950 ramp

primary

#B43C17

secondary

#59B2CE

accent

#C7F434

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B43C17

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

Preview Lab → · Contrast checker → · Palette generator →