#010C1C#010C1C

#010C1C is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.2% C 0.040 H 251.7°. Best body text is #FFFFFF at 19.62:1 contrast (WCAG AA passes).

Color values

HEX	#010C1C
RGB	rgb(1, 12, 28)
HSL	hsl(216, 93%, 6%)
HSV	hsv(216, 96%, 11%)
CMYK	cmyk(96.4%, 57.1%, 0%, 89%)
CIE-LAB	lab(3.19, 0.73, -10.77)
CIE-LCH	lch(3.19, 10.79, 273.87°)
OKLab	oklab(15.25% -0.0127 -0.0383)
OKLCH	oklch(15.25% 0.04 251.7)
XYZ	xyz(0.3535, 0.3532, 1.1479)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010C1C #1C1101

analogous

#01191C #010C1C #04011C

triadic

#010C1C #1C010C #0C1C01

tetradic

#010C1C #1C0119 #1C1101 #011C04

square

#010C1C #1C0119 #1C1101 #011C04

split-complementary

#010C1C #1C0401 #191C01

monochromatic

#010D1E #010D1E #010D1E #032557 #053F92

Accessibility & contrast

On white

19.62

#010C1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#010C1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010C1C

19.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010C1C	#FFFFFF	#000000	##FFFFFF
##010C1C	1.00	19.62	1.07	19.62
#FFFFFF	19.62	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050D1D

Deuteranopia (green-blind)

#020A1C

Tritanopia (blue-blind)

#001012

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #010c1c;
/* rgb */ color: rgb(1, 12, 28);
/* oklch */ color: oklch(15.2% 0.040 251.7);

Tailwind

colors: {
  custom: {
    50: '#464c58',
    500: '#010c1c',
    950: '#000000',
  },
}

SCSS

$custom: #010c1c;
$custom-light: #464c58;
$custom-dark: #000000;

JSON

{
  "hex": "#010c1c",
  "rgb": {
    "r": 1,
    "g": 12,
    "b": 28
  },
  "hsl": {
    "h": 215.556,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.15245,
    "c": 0.04039,
    "h": 251.7
  },
  "luminance": 0.00353
}

Semantic roles & 50–950 ramp

primary

#010C1C

secondary

#644415

accent

#A829FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #010C1C

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

Preview Lab → · Contrast checker → · Palette generator →