#28181A#28181A

#28181A is a very dark, muted red. Relative luminance 0.012; OKLCH L 23.1% C 0.026 H 11.1°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).

Color values

HEX	#28181A
RGB	rgb(40, 24, 26)
HSL	hsl(353, 25%, 13%)
HSV	hsv(353, 40%, 16%)
CMYK	cmyk(0%, 40%, 35%, 84.3%)
CIE-LAB	lab(10.40, 8.42, 1.88)
CIE-LCH	lch(10.40, 8.62, 12.57°)
OKLab	oklab(23.08% 0.0255 0.005)
OKLCH	oklch(23.08% 0.026 11.1)
XYZ	xyz(1.3882, 1.1791, 1.1315)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28181A #182826

analogous

#281822 #28181A #281E18

triadic

#28181A #1A2818 #181A28

tetradic

#28181A #222818 #182826 #1E1828

square

#28181A #222818 #182826 #1E1828

split-complementary

#28181A #18281E #182228

monochromatic

#130B0C #130B0C #28181A #4E2F33 #74464C

Accessibility & contrast

On white

16.99

#28181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#28181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28181A

16.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28181A	#FFFFFF	#000000	##FFFFFF
##28181A	1.00	16.99	1.24	16.99
#FFFFFF	16.99	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1A1A

Deuteranopia (green-blind)

#1E1D1A

Tritanopia (blue-blind)

#2B1719

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #28181a;
/* rgb */ color: rgb(40, 24, 26);
/* oklch */ color: oklch(23.1% 0.026 11.1);

Tailwind

colors: {
  custom: {
    50: '#625456',
    500: '#28181a',
    950: '#000000',
  },
}

SCSS

$custom: #28181a;
$custom-light: #625456;
$custom-dark: #000000;

JSON

{
  "hex": "#28181a",
  "rgb": {
    "r": 40,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 352.5,
    "s": 25,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23083,
    "c": 0.02602,
    "h": 11.1
  },
  "luminance": 0.01179
}

Semantic roles & 50–950 ramp

primary

#28181A

secondary

#405C58

accent

#C1B666

background

#F5F4F5

surface

#EAE7E9

border

#C6C3C5

text

#050203

muted

#797878

Preview Lab

Preview with #28181A

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

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