#010C1B#010C1B

#010C1B is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 15.2% C 0.039 H 250.3°. Best body text is #FFFFFF at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#010C1B
RGB	rgb(1, 12, 27)
HSL	hsl(215, 93%, 5%)
HSV	hsv(215, 96%, 11%)
CMYK	cmyk(96.3%, 55.6%, 0%, 89.4%)
CIE-LAB	lab(3.15, 0.43, -10.04)
CIE-LCH	lch(3.15, 10.05, 272.44°)
OKLab	oklab(15.16% -0.013 -0.0364)
OKLCH	oklch(15.16% 0.039 250.3)
XYZ	xyz(0.3417, 0.3485, 1.0860)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C1B #1B1001

analogous

#01191B #010C1B #03011B

triadic

#010C1B #1B010C #0C1B01

tetradic

#010C1B #1B0119 #1B1001 #011B03

square

#010C1B #1B0119 #1B1001 #011B03

split-complementary

#010C1B #1B0301 #191B01

monochromatic

#010D1E #010D1E #010D1E #032656 #054091

Accessibility & contrast

On white

19.63

#010C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C1B

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C1B	#FFFFFF	#000000	##FFFFFF
##010C1B	1.00	19.63	1.07	19.63
#FFFFFF	19.63	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060D1C

Deuteranopia (green-blind)

#030A1B

Tritanopia (blue-blind)

#001012

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #010c1b;
/* rgb */ color: rgb(1, 12, 27);
/* oklch */ color: oklch(15.2% 0.039 250.3);

Tailwind

colors: {
  custom: {
    50: '#464c57',
    500: '#010c1b',
    950: '#000000',
  },
}

SCSS

$custom: #010c1b;
$custom-light: #464c57;
$custom-dark: #000000;

JSON

{
  "hex": "#010c1b",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 27
  },
  "hsl": {
    "h": 214.615,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.15158,
    "c": 0.03864,
    "h": 250.3
  },
  "luminance": 0.00349
}

Semantic roles & 50–950 ramp

primary

#010C1B

secondary

#634215

accent

#A429FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010C1B

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

Preview Lab → · Contrast checker → · Palette generator →