#43181A#43181A

#43181A is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.6% C 0.067 H 19.7°. Best body text is #FFFFFF at 15.17:1 contrast (WCAG AA passes).

Color values

HEX	#43181A
RGB	rgb(67, 24, 26)
HSL	hsl(357, 47%, 18%)
HSV	hsv(357, 64%, 26%)
CMYK	cmyk(0%, 64.2%, 61.2%, 73.7%)
CIE-LAB	lab(15.07, 21.02, 9.07)
CIE-LCH	lch(15.07, 22.89, 23.35°)
OKLab	oklab(27.59% 0.0628 0.0225)
OKLCH	oklch(27.59% 0.067 19.7)
XYZ	xyz(2.8281, 1.9215, 1.1990)
Luminance	0.0192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43181A #184341

analogous

#43182F #43181A #432B18

triadic

#43181A #1A4318 #181A43

tetradic

#43181A #2F4318 #184341 #2B1843

square

#43181A #2F4318 #184341 #2B1843

split-complementary

#43181A #18432B #182F43

monochromatic

#170809 #170809 #43181A #70282B #9D383D

Accessibility & contrast

On white

15.17

#43181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#43181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43181A

15.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43181A	#FFFFFF	#000000	##FFFFFF
##43181A	1.00	15.17	1.38	15.17
#FFFFFF	15.17	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22201A

Deuteranopia (green-blind)

#2D2919

Tritanopia (blue-blind)

#4A1119

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #43181a;
/* rgb */ color: rgb(67, 24, 26);
/* oklch */ color: oklch(27.6% 0.067 19.7);

Tailwind

colors: {
  custom: {
    50: '#7a5756',
    500: '#43181a',
    950: '#000000',
  },
}

SCSS

$custom: #43181a;
$custom-light: #7a5756;
$custom-dark: #000000;

JSON

{
  "hex": "#43181a",
  "rgb": {
    "r": 67,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 357.209,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27594,
    "c": 0.06674,
    "h": 19.7
  },
  "luminance": 0.01921
}

Semantic roles & 50–950 ramp

primary

#43181A

secondary

#3D7A77

accent

#D7D151

background

#F7F5F5

surface

#EEE9E9

border

#C9C5C5

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #43181A

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

Preview Lab → · Contrast checker → · Palette generator →