#010C19#010C19

#010C19 is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 15.0% C 0.035 H 247.0°. Best body text is #FFFFFF at 19.66:1 contrast (WCAG AA passes).

Color values

HEX	#010C19
RGB	rgb(1, 12, 25)
HSL	hsl(213, 92%, 5%)
HSV	hsv(213, 96%, 10%)
CMYK	cmyk(96%, 52%, 0%, 90.2%)
CIE-LAB	lab(3.07, -0.13, -8.56)
CIE-LCH	lch(3.07, 8.56, 269.10°)
OKLab	oklab(14.99% -0.0137 -0.0324)
OKLCH	oklch(14.99% 0.035 247)
XYZ	xyz(0.3194, 0.3395, 0.9682)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C19 #190E01

analogous

#011819 #010C19 #020119

triadic

#010C19 #19010C #0C1901

tetradic

#010C19 #190118 #190E01 #011902

square

#010C19 #190118 #190E01 #011902

split-complementary

#010C19 #190201 #181901

monochromatic

#010E1D #010E1D #010E1D #032854 #06448F

Accessibility & contrast

On white

19.66

#010C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C19

19.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C19	#FFFFFF	#000000	##FFFFFF
##010C19	1.00	19.66	1.07	19.66
#FFFFFF	19.66	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060D1A

Deuteranopia (green-blind)

#030A19

Tritanopia (blue-blind)

#000F11

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #010c19;
/* rgb */ color: rgb(1, 12, 25);
/* oklch */ color: oklch(15.0% 0.035 247.0);

Tailwind

colors: {
  custom: {
    50: '#474c55',
    500: '#010c19',
    950: '#000000',
  },
}

SCSS

$custom: #010c19;
$custom-light: #474c55;
$custom-dark: #000000;

JSON

{
  "hex": "#010c19",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 25
  },
  "hsl": {
    "h": 212.5,
    "s": 92.308,
    "l": 5.098
  },
  "oklch": {
    "l": 0.1499,
    "c": 0.03521,
    "h": 247
  },
  "luminance": 0.0034
}

Semantic roles & 50–950 ramp

primary

#010C19

secondary

#613E15

accent

#9D29FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000103

muted

#777778

Preview Lab

Preview with #010C19

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

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