#000A1D#000A1D

#000A1D is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.6% C 0.047 H 254.0°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#000A1D
RGB	rgb(0, 10, 29)
HSL	hsl(219, 100%, 6%)
HSV	hsv(219, 100%, 11%)
CMYK	cmyk(100%, 65.5%, 0%, 88.6%)
CIE-LAB	lab(2.76, 1.62, -12.21)
CIE-LCH	lch(2.76, 12.32, 277.58°)
OKLab	oklab(14.6% -0.0128 -0.0447)
OKLCH	oklch(14.6% 0.047 254)
XYZ	xyz(0.3302, 0.3057, 1.2038)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000A1D #1D1300

analogous

#00181D #000A1D #04001D

triadic

#000A1D #1D000A #0A1D00

tetradic

#000A1D #1D0018 #1D1300 #001D04

square

#000A1D #1D0018 #1D1300 #001D04

split-complementary

#000A1D #1D0400 #181D00

monochromatic

#000B1F #000B1F #000B1F #001F5A #003497

Accessibility & contrast

On white

19.79

#000A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#000A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000A1D

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000A1D	#FFFFFF	#000000	##FFFFFF
##000A1D	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020C1E

Deuteranopia (green-blind)

#00091D

Tritanopia (blue-blind)

#000F12

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #000a1d;
/* rgb */ color: rgb(0, 10, 29);
/* oklch */ color: oklch(14.6% 0.047 254.0);

Tailwind

colors: {
  custom: {
    50: '#464b58',
    500: '#000a1d',
    950: '#000000',
  },
}

SCSS

$custom: #000a1d;
$custom-light: #464b58;
$custom-dark: #000000;

JSON

{
  "hex": "#000a1d",
  "rgb": {
    "r": 0,
    "g": 10,
    "b": 29
  },
  "hsl": {
    "h": 219.31,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.14595,
    "c": 0.04651,
    "h": 254
  },
  "luminance": 0.00306
}

Semantic roles & 50–950 ramp

primary

#000A1D

secondary

#674A12

accent

#B529FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #000A1D

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

Preview Lab → · Contrast checker → · Palette generator →