#00000A#00000A

#00000A is a very dark, muted blue. Relative luminance 0.000; OKLCH L 6.5% C 0.045 H 264.1°. Best body text is #FFFFFF at 20.91:1 contrast (WCAG AA passes).

Color values

HEX	#00000A
RGB	rgb(0, 0, 10)
HSL	hsl(240, 100%, 2%)
HSV	hsv(240, 100%, 4%)
CMYK	cmyk(100%, 100%, 0%, 96.1%)
CIE-LAB	lab(0.20, 1.39, -3.78)
CIE-LCH	lch(0.20, 4.03, 290.20°)
OKLab	oklab(6.54% -0.0047 -0.0451)
OKLCH	oklch(6.54% 0.045 264.1)
XYZ	xyz(0.0548, 0.0219, 0.2884)
Luminance	0.0002 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00000A #0A0A00

analogous

#00050A #00000A #05000A

triadic

#00000A #0A0000 #000A00

tetradic

#00000A #0A0005 #0A0A00 #000A05

square

#00000A #0A0005 #0A0A00 #000A05

split-complementary

#00000A #0A0500 #050A00

monochromatic

#00001F #00001F #00001F #000047 #000084

Accessibility & contrast

On white

20.91

#00000A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.00

#00000A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00000A

20.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00000A	#FFFFFF	#000000	##FFFFFF
##00000A	1.00	20.91	1.00	20.91
#FFFFFF	20.91	1.00	21.00	1.00
#000000	1.00	21.00	1.00	21.00
##FFFFFF	20.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00010B

Deuteranopia (green-blind)

#00000A

Tritanopia (blue-blind)

#000103

Achromatopsia (no color)

#010101

Design tokens & code

CSS

--color: #00000a;
/* rgb */ color: rgb(0, 0, 10);
/* oklch */ color: oklch(6.5% 0.045 264.1);

Tailwind

colors: {
  custom: {
    50: '#47474b',
    500: '#00000a',
    950: '#000000',
  },
}

SCSS

$custom: #00000a;
$custom-light: #47474b;
$custom-dark: #000000;

JSON

{
  "hex": "#00000a",
  "rgb": {
    "r": 0,
    "g": 0,
    "b": 10
  },
  "hsl": {
    "h": 240,
    "s": 100,
    "l": 1.961
  },
  "oklch": {
    "l": 0.06545,
    "c": 0.04535,
    "h": 264.1
  },
  "luminance": 0.00022
}

Semantic roles & 50–950 ramp

primary

#00000A

secondary

#57570F

accent

#FF29FF

background

#F3F3F4

surface

#E5E5E7

border

#C1C1C3

text

#000001

muted

#777777

Preview Lab

Preview with #00000A

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

Preview Lab → · Contrast checker → · Palette generator →