#010C18#010C18

#010C18 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 14.9% C 0.034 H 245.1°. Best body text is #FFFFFF at 19.68:1 contrast (WCAG AA passes).

Color values

HEX	#010C18
RGB	rgb(1, 12, 24)
HSL	hsl(211, 92%, 5%)
HSV	hsv(211, 96%, 9%)
CMYK	cmyk(95.8%, 50%, 0%, 90.6%)
CIE-LAB	lab(3.03, -0.41, -7.83)
CIE-LCH	lch(3.03, 7.84, 267.04°)
OKLab	oklab(14.91% -0.0141 -0.0304)
OKLCH	oklch(14.91% 0.034 245.1)
XYZ	xyz(0.3088, 0.3353, 0.9124)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C18 #180D01

analogous

#011818 #010C18 #010118

triadic

#010C18 #18010C #0C1801

tetradic

#010C18 #180118 #180D01 #011801

square

#010C18 #180118 #180D01 #011801

split-complementary

#010C18 #180101 #181801

monochromatic

#010F1D #010F1D #010F1D #032953 #06478E

Accessibility & contrast

On white

19.68

#010C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C18

19.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C18	#FFFFFF	#000000	##FFFFFF
##010C18	1.00	19.68	1.07	19.68
#FFFFFF	19.68	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070C19

Deuteranopia (green-blind)

#040A18

Tritanopia (blue-blind)

#000F10

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #010c18;
/* rgb */ color: rgb(1, 12, 24);
/* oklch */ color: oklch(14.9% 0.034 245.1);

Tailwind

colors: {
  custom: {
    50: '#474c54',
    500: '#010c18',
    950: '#000000',
  },
}

SCSS

$custom: #010c18;
$custom-light: #474c54;
$custom-dark: #000000;

JSON

{
  "hex": "#010c18",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 24
  },
  "hsl": {
    "h": 211.304,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.14908,
    "c": 0.03353,
    "h": 245.1
  },
  "luminance": 0.00335
}

Semantic roles & 50–950 ramp

primary

#010C18

secondary

#603C15

accent

#9929FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #010C18

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

Preview Lab → · Contrast checker → · Palette generator →