#100809#100809

#100809 is a very dark, near-neutral red. Relative luminance 0.003; OKLCH L 14.7% C 0.015 H 10.1°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#100809
RGB	rgb(16, 8, 9)
HSL	hsl(353, 33%, 5%)
HSV	hsv(353, 50%, 6%)
CMYK	cmyk(0%, 50%, 43.8%, 93.7%)
CIE-LAB	lab(2.74, 2.51, 0.46)
CIE-LCH	lch(2.74, 2.55, 10.33°)
OKLab	oklab(14.66% 0.0146 0.0026)
OKLCH	oklch(14.66% 0.015 10.1)
XYZ	xyz(0.3498, 0.3036, 0.2986)
Luminance	0.0030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100809 #08100F

analogous

#10080D #100809 #100B08

triadic

#100809 #091008 #080910

tetradic

#100809 #0D1008 #08100F #0B0810

square

#100809 #0D1008 #08100F #0B0810

split-complementary

#100809 #08100B #080D10

monochromatic

#140A0B #140A0B #140A0B #391C20 #623137

Accessibility & contrast

On white

19.80

#100809 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#100809 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100809

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100809	#FFFFFF	#000000	##FFFFFF
##100809	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090909

Deuteranopia (green-blind)

#0B0B09

Tritanopia (blue-blind)

#120708

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #100809;
/* rgb */ color: rgb(16, 8, 9);
/* oklch */ color: oklch(14.7% 0.015 10.1);

Tailwind

colors: {
  custom: {
    50: '#4e4a4b',
    500: '#100809',
    950: '#000000',
  },
}

SCSS

$custom: #100809;
$custom-light: #4e4a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#100809",
  "rgb": {
    "r": 16,
    "g": 8,
    "b": 9
  },
  "hsl": {
    "h": 352.5,
    "s": 33.333,
    "l": 4.706
  },
  "oklch": {
    "l": 0.14663,
    "c": 0.01479,
    "h": 10.1
  },
  "luminance": 0.00304
}

Semantic roles & 50–950 ramp

primary

#100809

secondary

#2C4744

accent

#C9BC5E

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010101

muted

#777777

Preview Lab

Preview with #100809

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

Preview Lab → · Contrast checker → · Palette generator →