#28181C#28181C

#28181C is a very dark, muted red. Relative luminance 0.012; OKLCH L 23.2% C 0.027 H 3.0°. Best body text is #FFFFFF at 16.97:1 contrast (WCAG AA passes).

Color values

HEX	#28181C
RGB	rgb(40, 24, 28)
HSL	hsl(345, 25%, 13%)
HSV	hsv(345, 40%, 16%)
CMYK	cmyk(0%, 40%, 30%, 84.3%)
CIE-LAB	lab(10.47, 8.80, 0.48)
CIE-LCH	lch(10.47, 8.81, 3.13°)
OKLab	oklab(23.16% 0.0265 0.0014)
OKLCH	oklch(23.16% 0.027 3)
XYZ	xyz(1.4113, 1.1883, 1.2534)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28181C #182824

analogous

#281824 #28181C #281C18

triadic

#28181C #1C2818 #181C28

tetradic

#28181C #242818 #182824 #1C1828

square

#28181C #242818 #182824 #1C1828

split-complementary

#28181C #18281C #182428

monochromatic

#130B0D #130B0D #28181C #4E2F37 #744652

Accessibility & contrast

On white

16.97

#28181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#28181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28181C

16.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28181C	#FFFFFF	#000000	##FFFFFF
##28181C	1.00	16.97	1.24	16.97
#FFFFFF	16.97	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1B1C

Deuteranopia (green-blind)

#1E1E1C

Tritanopia (blue-blind)

#2B1719

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #28181c;
/* rgb */ color: rgb(40, 24, 28);
/* oklch */ color: oklch(23.2% 0.027 3.0);

Tailwind

colors: {
  custom: {
    50: '#625457',
    500: '#28181c',
    950: '#000000',
  },
}

SCSS

$custom: #28181c;
$custom-light: #625457;
$custom-dark: #000000;

JSON

{
  "hex": "#28181c",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 345,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23158,
    "c": 0.02658,
    "h": 3
  },
  "luminance": 0.01188
}

Semantic roles & 50–950 ramp

primary

#28181C

secondary

#405C55

accent

#C1AB66

background

#F5F4F5

surface

#EAE7E9

border

#C6C3C5

text

#050303

muted

#797878

Preview Lab

Preview with #28181C

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

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