#010B18#010B18

#010B18 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 14.6% C 0.035 H 248.2°. Best body text is #FFFFFF at 19.77:1 contrast (WCAG AA passes).

Color values

HEX	#010B18
RGB	rgb(1, 11, 24)
HSL	hsl(214, 92%, 5%)
HSV	hsv(214, 96%, 9%)
CMYK	cmyk(95.8%, 54.2%, 0%, 90.6%)
CIE-LAB	lab(2.82, 0.03, -8.14)
CIE-LCH	lch(2.82, 8.14, 270.21°)
OKLab	oklab(14.58% -0.0129 -0.0324)
OKLCH	oklch(14.58% 0.035 248.2)
XYZ	xyz(0.2970, 0.3117, 0.9085)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010B18 #180E01

analogous

#011718 #010B18 #030118

triadic

#010B18 #18010B #0B1801

tetradic

#010B18 #180117 #180E01 #011803

square

#010B18 #180117 #180E01 #011803

split-complementary

#010B18 #180301 #171801

monochromatic

#010D1D #010D1D #010D1D #032653 #06418E

Accessibility & contrast

On white

19.77

#010B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#010B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010B18

19.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010B18	#FFFFFF	#000000	##FFFFFF
##010B18	1.00	19.77	1.06	19.77
#FFFFFF	19.77	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060C19

Deuteranopia (green-blind)

#030918

Tritanopia (blue-blind)

#000E10

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #010b18;
/* rgb */ color: rgb(1, 11, 24);
/* oklch */ color: oklch(14.6% 0.035 248.2);

Tailwind

colors: {
  custom: {
    50: '#474c54',
    500: '#010b18',
    950: '#000000',
  },
}

SCSS

$custom: #010b18;
$custom-light: #474c54;
$custom-dark: #000000;

JSON

{
  "hex": "#010b18",
  "rgb": {
    "r": 1,
    "g": 11,
    "b": 24
  },
  "hsl": {
    "h": 213.913,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.1458,
    "c": 0.03484,
    "h": 248.2
  },
  "luminance": 0.00312
}

Semantic roles & 50–950 ramp

primary

#010B18

secondary

#603F15

accent

#A229FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #010B18

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

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