#010013#010013

#010013 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 8.8% C 0.056 H 273.1°. Best body text is #FFFFFF at 20.78:1 contrast (WCAG AA passes).

Color values

HEX	#010013
RGB	rgb(1, 0, 19)
HSL	hsl(243, 100%, 4%)
HSV	hsv(243, 100%, 7%)
CMYK	cmyk(94.7%, 100%, 0%, 92.5%)
CIE-LAB	lab(0.48, 3.24, -8.03)
CIE-LCH	lch(0.48, 8.66, 292.00°)
OKLab	oklab(8.81% 0.003 -0.0562)
OKLCH	oklch(8.81% 0.056 273.1)
XYZ	xyz(0.1300, 0.0535, 0.6194)
Luminance	0.0005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010013 #121300

analogous

#000813 #010013 #0A0013

triadic

#010013 #130100 #001301

tetradic

#010013 #130008 #121300 #00130A

square

#010013 #130008 #121300 #00130A

split-complementary

#010013 #130A00 #081300

monochromatic

#02001F #02001F #02001F #040050 #07008D

Accessibility & contrast

On white

20.78

#010013 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#010013 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010013

20.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010013	#FFFFFF	#000000	##FFFFFF
##010013	1.00	20.78	1.01	20.78
#FFFFFF	20.78	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000214

Deuteranopia (green-blind)

#000113

Tritanopia (blue-blind)

#000307

Achromatopsia (no color)

#020202

Design tokens & code

CSS

--color: #010013;
/* rgb */ color: rgb(1, 0, 19);
/* oklch */ color: oklch(8.8% 0.056 273.1);

Tailwind

colors: {
  custom: {
    50: '#474750',
    500: '#010013',
    950: '#000000',
  },
}

SCSS

$custom: #010013;
$custom-light: #474750;
$custom-dark: #000000;

JSON

{
  "hex": "#010013",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 19
  },
  "hsl": {
    "h": 243.158,
    "s": 100,
    "l": 3.725
  },
  "oklch": {
    "l": 0.08814,
    "c": 0.05627,
    "h": 273.1
  },
  "luminance": 0.00053
}

Semantic roles & 50–950 ramp

primary

#010013

secondary

#5A5E11

accent

#FF29F4

background

#F3F3F4

surface

#E5E5E7

border

#C1C1C3

text

#000002

muted

#777778

Preview Lab

Preview with #010013

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

Preview Lab → · Contrast checker → · Palette generator →