#28090A#28090A

#28090A is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.5% C 0.052 H 21.4°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#28090A
RGB	rgb(40, 9, 10)
HSL	hsl(358, 63%, 10%)
HSV	hsv(358, 78%, 16%)
CMYK	cmyk(0%, 77.5%, 75%, 84.3%)
CIE-LAB	lab(6.04, 15.57, 5.23)
CIE-LCH	lch(6.04, 16.42, 18.58°)
OKLab	oklab(19.47% 0.0486 0.019)
OKLCH	oklch(19.47% 0.052 21.4)
XYZ	xyz(1.0276, 0.6685, 0.3620)
Luminance	0.0067 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28090A #092827

analogous

#28091A #28090A #281809

triadic

#28090A #0A2809 #090A28

tetradic

#28090A #1A2809 #092827 #180928

square

#28090A #1A2809 #092827 #180928

split-complementary

#28090A #092818 #091A28

monochromatic

#190606 #190606 #28090A #5A1416 #8C1F23

Accessibility & contrast

On white

18.53

#28090A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#28090A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28090A

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28090A	#FFFFFF	#000000	##FFFFFF
##28090A	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F0A

Deuteranopia (green-blind)

#191609

Tritanopia (blue-blind)

#2D040A

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #28090a;
/* rgb */ color: rgb(40, 9, 10);
/* oklch */ color: oklch(19.5% 0.052 21.4);

Tailwind

colors: {
  custom: {
    50: '#644a4b',
    500: '#28090a',
    950: '#000000',
  },
}

SCSS

$custom: #28090a;
$custom-light: #644a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#28090a",
  "rgb": {
    "r": 40,
    "g": 9,
    "b": 10
  },
  "hsl": {
    "h": 358.065,
    "s": 63.265,
    "l": 9.608
  },
  "oklch": {
    "l": 0.19469,
    "c": 0.05217,
    "h": 21.4
  },
  "luminance": 0.00668
}

Semantic roles & 50–950 ramp

primary

#28090A

secondary

#276664

accent

#E6E141

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #28090A

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

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