#000C1F#000C1F

#000C1F is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.4% C 0.047 H 252.5°. Best body text is #FFFFFF at 19.58:1 contrast (WCAG AA passes).

Color values

HEX	#000C1F
RGB	rgb(0, 12, 31)
HSL	hsl(217, 100%, 6%)
HSV	hsv(217, 100%, 12%)
CMYK	cmyk(100%, 61.3%, 0%, 87.8%)
CIE-LAB	lab(3.27, 1.43, -13.02)
CIE-LCH	lch(3.27, 13.10, 276.25°)
OKLab	oklab(15.41% -0.014 -0.0447)
OKLCH	oklch(15.41% 0.047 252.5)
XYZ	xyz(0.3787, 0.3618, 1.3459)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000C1F #1F1300

analogous

#001B1F #000C1F #03001F

triadic

#000C1F #1F000C #0C1F00

tetradic

#000C1F #1F001B #1F1300 #001F03

square

#000C1F #1F001B #1F1300 #001F03

split-complementary

#000C1F #1F0300 #1B1F00

monochromatic

#000C1F #000C1F #000C1F #00245C #003B99

Accessibility & contrast

On white

19.58

#000C1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#000C1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000C1F

19.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000C1F	#FFFFFF	#000000	##FFFFFF
##000C1F	1.00	19.58	1.07	19.58
#FFFFFF	19.58	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040E20

Deuteranopia (green-blind)

#000A1F

Tritanopia (blue-blind)

#001113

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #000c1f;
/* rgb */ color: rgb(0, 12, 31);
/* oklch */ color: oklch(15.4% 0.047 252.5);

Tailwind

colors: {
  custom: {
    50: '#464c5a',
    500: '#000c1f',
    950: '#000000',
  },
}

SCSS

$custom: #000c1f;
$custom-light: #464c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#000c1f",
  "rgb": {
    "r": 0,
    "g": 12,
    "b": 31
  },
  "hsl": {
    "h": 216.774,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.15406,
    "c": 0.04685,
    "h": 252.5
  },
  "luminance": 0.00362
}

Semantic roles & 50–950 ramp

primary

#000C1F

secondary

#684712

accent

#AC29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #000C1F

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

Preview Lab → · Contrast checker → · Palette generator →