#01010D#01010D

#01010D is a very dark, muted blue. Relative luminance 0.001; OKLCH L 8.7% C 0.040 H 274.0°. Best body text is #FFFFFF at 20.76:1 contrast (WCAG AA passes).

Color values

HEX	#01010D
RGB	rgb(1, 1, 13)
HSL	hsl(240, 86%, 3%)
HSV	hsv(240, 92%, 5%)
CMYK	cmyk(92.3%, 92.3%, 0%, 94.9%)
CIE-LAB	lab(0.52, 1.71, -4.64)
CIE-LCH	lch(0.52, 4.94, 290.18°)
OKLab	oklab(8.67% 0.0028 -0.0402)
OKLCH	oklch(8.67% 0.04 274)
XYZ	xyz(0.0960, 0.0572, 0.3867)
Luminance	0.0006 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01010D #0D0D01

analogous

#01070D #01010D #07010D

triadic

#01010D #0D0101 #010D01

tetradic

#01010D #0D0107 #0D0D01 #010D07

square

#01010D #0D0107 #0D0D01 #010D07

split-complementary

#01010D #0D0701 #070D01

monochromatic

#02021C #02021C #02021C #050546 #0A0A7F

Accessibility & contrast

On white

20.76

#01010D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#01010D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01010D

20.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01010D	#FFFFFF	#000000	##FFFFFF
##01010D	1.00	20.76	1.01	20.76
#FFFFFF	20.76	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00020E

Deuteranopia (green-blind)

#00020D

Tritanopia (blue-blind)

#000305

Achromatopsia (no color)

#020202

Design tokens & code

CSS

--color: #01010d;
/* rgb */ color: rgb(1, 1, 13);
/* oklch */ color: oklch(8.7% 0.040 274.0);

Tailwind

colors: {
  custom: {
    50: '#47474c',
    500: '#01010d',
    950: '#000000',
  },
}

SCSS

$custom: #01010d;
$custom-light: #47474c;
$custom-dark: #000000;

JSON

{
  "hex": "#01010d",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 13
  },
  "hsl": {
    "h": 240,
    "s": 85.714,
    "l": 2.745
  },
  "oklch": {
    "l": 0.08666,
    "c": 0.04032,
    "h": 274
  },
  "luminance": 0.00057
}

Semantic roles & 50–950 ramp

primary

#01010D

secondary

#555515

accent

#FC2CFC

background

#F3F3F4

surface

#E5E5E7

border

#C1C1C3

text

#000001

muted

#777777

Preview Lab

Preview with #01010D

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

Preview Lab → · Contrast checker → · Palette generator →