#43181D#43181D

#43181D is a dark, moderate red. Relative luminance 0.019; OKLCH L 27.7% C 0.067 H 15.4°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#43181D
RGB	rgb(67, 24, 29)
HSL	hsl(353, 47%, 18%)
HSV	hsv(353, 64%, 26%)
CMYK	cmyk(0%, 64.2%, 56.7%, 73.7%)
CIE-LAB	lab(15.15, 21.33, 7.01)
CIE-LCH	lch(15.15, 22.45, 18.20°)
OKLab	oklab(27.68% 0.0643 0.0177)
OKLCH	oklch(27.68% 0.067 15.4)
XYZ	xyz(2.8634, 1.9356, 1.3850)
Luminance	0.0193 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#43181D #18433E

analogous

#431832 #43181D #432818

triadic

#43181D #1D4318 #181D43

tetradic

#43181D #324318 #18433E #281843

square

#43181D #324318 #18433E #281843

split-complementary

#43181D #184328 #183243

monochromatic

#17080A #17080A #43181D #702831 #9D3844

Accessibility & contrast

On white

15.14

#43181D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#43181D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43181D

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##43181D	#FFFFFF	#000000	##FFFFFF
##43181D	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211D

Deuteranopia (green-blind)

#2C291C

Tritanopia (blue-blind)

#4A121A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #43181d;
/* rgb */ color: rgb(67, 24, 29);
/* oklch */ color: oklch(27.7% 0.067 15.4);

Tailwind

colors: {
  custom: {
    50: '#7a5758',
    500: '#43181d',
    950: '#000000',
  },
}

SCSS

$custom: #43181d;
$custom-light: #7a5758;
$custom-dark: #000000;

JSON

{
  "hex": "#43181d",
  "rgb": {
    "r": 67,
    "g": 24,
    "b": 29
  },
  "hsl": {
    "h": 353.023,
    "s": 47.253,
    "l": 17.843
  },
  "oklch": {
    "l": 0.27676,
    "c": 0.06667,
    "h": 15.4
  },
  "luminance": 0.01935
}

Semantic roles & 50–950 ramp

primary

#43181D

secondary

#3D7A73

accent

#D7C751

background

#F7F5F5

surface

#EEE9E9

border

#C9C5C5

text

#0A0303

muted

#7C7878

Preview Lab

Preview with #43181D

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

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