#01091C#01091C

#01091C is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.3% C 0.045 H 257.9°. Best body text is #FFFFFF at 19.86:1 contrast (WCAG AA passes).

Color values

HEX	#01091C
RGB	rgb(1, 9, 28)
HSL	hsl(222, 93%, 6%)
HSV	hsv(222, 96%, 11%)
CMYK	cmyk(96.4%, 67.9%, 0%, 89%)
CIE-LAB	lab(2.58, 1.98, -11.68)
CIE-LCH	lch(2.58, 11.84, 279.61°)
OKLab	oklab(14.31% -0.0095 -0.0441)
OKLCH	oklch(14.31% 0.045 257.9)
XYZ	xyz(0.3197, 0.2856, 1.1367)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01091C #1C1401

analogous

#01161C #01091C #06011C

triadic

#01091C #1C0109 #091C01

tetradic

#01091C #1C0116 #1C1401 #011C06

square

#01091C #1C0116 #1C1401 #011C06

split-complementary

#01091C #1C0601 #161C01

monochromatic

#01091E #01091E #01091E #031C57 #052F92

Accessibility & contrast

On white

19.86

#01091C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01091C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01091C

19.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01091C	#FFFFFF	#000000	##FFFFFF
##01091C	1.00	19.86	1.06	19.86
#FFFFFF	19.86	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020B1D

Deuteranopia (green-blind)

#00081C

Tritanopia (blue-blind)

#000E11

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #01091c;
/* rgb */ color: rgb(1, 9, 28);
/* oklch */ color: oklch(14.3% 0.045 257.9);

Tailwind

colors: {
  custom: {
    50: '#464b58',
    500: '#01091c',
    950: '#000000',
  },
}

SCSS

$custom: #01091c;
$custom-light: #464b58;
$custom-dark: #000000;

JSON

{
  "hex": "#01091c",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 28
  },
  "hsl": {
    "h": 222.222,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.1431,
    "c": 0.04513,
    "h": 257.9
  },
  "luminance": 0.00286
}

Semantic roles & 50–950 ramp

primary

#01091C

secondary

#644C15

accent

#C029FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #01091C

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

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