#010010#010010

#010010 is a very dark, muted blue. Relative luminance 0.000; OKLCH L 8.2% C 0.052 H 275.1°. Best body text is #FFFFFF at 20.82:1 contrast (WCAG AA passes).

Color values

HEX	#010010
RGB	rgb(1, 0, 16)
HSL	hsl(244, 100%, 3%)
HSV	hsv(244, 100%, 6%)
CMYK	cmyk(93.8%, 100%, 0%, 93.7%)
CIE-LAB	lab(0.40, 2.63, -6.37)
CIE-LCH	lch(0.40, 6.89, 292.46°)
OKLab	oklab(8.25% 0.0046 -0.0516)
OKLCH	oklch(8.25% 0.052 275.1)
XYZ	xyz(0.1060, 0.0439, 0.4930)
Luminance	0.0004 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010010 #0F1000

analogous

#000710 #010010 #090010

triadic

#010010 #100100 #001001

tetradic

#010010 #100007 #0F1000 #001009

square

#010010 #100007 #0F1000 #001009

split-complementary

#010010 #100900 #071000

monochromatic

#02001F #02001F #02001F #05004D #09008A

Accessibility & contrast

On white

20.82

#010010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#010010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010010

20.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010010	#FFFFFF	#000000	##FFFFFF
##010010	1.00	20.82	1.01	20.82
#FFFFFF	20.82	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000211

Deuteranopia (green-blind)

#000110

Tritanopia (blue-blind)

#000205

Achromatopsia (no color)

#010101

Design tokens & code

CSS

--color: #010010;
/* rgb */ color: rgb(1, 0, 16);
/* oklch */ color: oklch(8.2% 0.052 275.1);

Tailwind

colors: {
  custom: {
    50: '#47474e',
    500: '#010010',
    950: '#000000',
  },
}

SCSS

$custom: #010010;
$custom-light: #47474e;
$custom-dark: #000000;

JSON

{
  "hex": "#010010",
  "rgb": {
    "r": 1,
    "g": 0,
    "b": 16
  },
  "hsl": {
    "h": 243.75,
    "s": 100,
    "l": 3.137
  },
  "oklch": {
    "l": 0.08249,
    "c": 0.05182,
    "h": 275.1
  },
  "luminance": 0.00044
}

Semantic roles & 50–950 ramp

primary

#010010

secondary

#575C10

accent

#FF29F2

background

#F3F3F4

surface

#E5E5E7

border

#C1C1C3

text

#000001

muted

#777777

Preview Lab

Preview with #010010

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

Preview Lab → · Contrast checker → · Palette generator →