#010D18#010D18

#010D18 is a very dark, muted cyan. Relative luminance 0.004; OKLCH L 15.2% C 0.032 H 241.6°. Best body text is #FFFFFF at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#010D18
RGB	rgb(1, 13, 24)
HSL	hsl(209, 92%, 5%)
HSV	hsv(209, 96%, 9%)
CMYK	cmyk(95.8%, 45.8%, 0%, 90.6%)
CIE-LAB	lab(3.25, -0.87, -7.50)
CIE-LCH	lch(3.25, 7.55, 263.41°)
OKLab	oklab(15.24% -0.0154 -0.0284)
OKLCH	oklch(15.24% 0.032 241.6)
XYZ	xyz(0.3212, 0.3602, 0.9166)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010D18 #180C01

analogous

#011818 #010D18 #010118

triadic

#010D18 #18010D #0D1801

tetradic

#010D18 #180118 #180C01 #011801

square

#010D18 #180118 #180C01 #011801

split-complementary

#010D18 #180101 #181801

monochromatic

#01101D #01101D #01101D #032D53 #064D8E

Accessibility & contrast

On white

19.59

#010D18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010D18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010D18

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010D18	#FFFFFF	#000000	##FFFFFF
##010D18	1.00	19.59	1.07	19.59
#FFFFFF	19.59	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080D18

Deuteranopia (green-blind)

#050B18

Tritanopia (blue-blind)

#001011

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010d18;
/* rgb */ color: rgb(1, 13, 24);
/* oklch */ color: oklch(15.2% 0.032 241.6);

Tailwind

colors: {
  custom: {
    50: '#474d54',
    500: '#010d18',
    950: '#000000',
  },
}

SCSS

$custom: #010d18;
$custom-light: #474d54;
$custom-dark: #000000;

JSON

{
  "hex": "#010d18",
  "rgb": {
    "r": 1,
    "g": 13,
    "b": 24
  },
  "hsl": {
    "h": 208.696,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.1524,
    "c": 0.03234,
    "h": 241.6
  },
  "luminance": 0.0036
}

Semantic roles & 50–950 ramp

primary

#010D18

secondary

#603915

accent

#8F29FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #010D18

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

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