#100709#100709

#100709 is a very dark, near-neutral red. Relative luminance 0.003; OKLCH L 14.3% C 0.017 H 3.5°. Best body text is #FFFFFF at 19.88:1 contrast (WCAG AA passes).

Color values

HEX	#100709
RGB	rgb(16, 7, 9)
HSL	hsl(347, 39%, 5%)
HSV	hsv(347, 56%, 6%)
CMYK	cmyk(0%, 56.2%, 43.8%, 93.7%)
CIE-LAB	lab(2.55, 2.91, 0.17)
CIE-LCH	lch(2.55, 2.92, 3.39°)
OKLab	oklab(14.35% 0.0174 0.0011)
OKLCH	oklch(14.35% 0.017 3.5)
XYZ	xyz(0.3390, 0.2819, 0.2949)
Luminance	0.0028 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100709 #07100E

analogous

#10070E #100709 #100A07

triadic

#100709 #091007 #070910

tetradic

#100709 #0E1007 #07100E #0A0710

square

#100709 #0E1007 #07100E #0A0710

split-complementary

#100709 #07100A #070E10

monochromatic

#15090C #15090C #15090C #3B1A21 #652C39

Accessibility & contrast

On white

19.88

#100709 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#100709 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100709

19.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100709	#FFFFFF	#000000	##FFFFFF
##100709	1.00	19.88	1.06	19.88
#FFFFFF	19.88	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080809

Deuteranopia (green-blind)

#0A0A09

Tritanopia (blue-blind)

#120708

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #100709;
/* rgb */ color: rgb(16, 7, 9);
/* oklch */ color: oklch(14.3% 0.017 3.5);

Tailwind

colors: {
  custom: {
    50: '#4e4a4b',
    500: '#100709',
    950: '#000000',
  },
}

SCSS

$custom: #100709;
$custom-light: #4e4a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#100709",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 9
  },
  "hsl": {
    "h": 346.667,
    "s": 39.13,
    "l": 4.51
  },
  "oklch": {
    "l": 0.14348,
    "c": 0.01743,
    "h": 3.5
  },
  "luminance": 0.00282
}

Semantic roles & 50–950 ramp

primary

#100709

secondary

#2A4942

accent

#CFB559

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010101

muted

#777777

Preview Lab

Preview with #100709

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

Preview Lab → · Contrast checker → · Palette generator →