#01081B#01081B

#01081B is a very dark, muted blue. Relative luminance 0.003; OKLCH L 13.9% C 0.045 H 259.0°. Best body text is #FFFFFF at 19.97:1 contrast (WCAG AA passes).

Color values

HEX	#01081B
RGB	rgb(1, 8, 27)
HSL	hsl(224, 93%, 5%)
HSV	hsv(224, 96%, 11%)
CMYK	cmyk(96.3%, 70.4%, 0%, 89.4%)
CIE-LAB	lab(2.34, 2.08, -11.23)
CIE-LCH	lch(2.34, 11.42, 280.49°)
OKLab	oklab(13.88% -0.0086 -0.0443)
OKLCH	oklch(13.88% 0.045 259)
XYZ	xyz(0.2971, 0.2592, 1.0711)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01081B #1B1401

analogous

#01151B #01081B #07011B

triadic

#01081B #1B0108 #081B01

tetradic

#01081B #1B0115 #1B1401 #011B07

square

#01081B #1B0115 #1B1401 #011B07

split-complementary

#01081B #1B0701 #151B01

monochromatic

#01091E #01091E #01091E #031956 #052B91

Accessibility & contrast

On white

19.97

#01081B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#01081B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01081B

19.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01081B	#FFFFFF	#000000	##FFFFFF
##01081B	1.00	19.97	1.05	19.97
#FFFFFF	19.97	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010A1C

Deuteranopia (green-blind)

#00071B

Tritanopia (blue-blind)

#000D10

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #01081b;
/* rgb */ color: rgb(1, 8, 27);
/* oklch */ color: oklch(13.9% 0.045 259.0);

Tailwind

colors: {
  custom: {
    50: '#464a57',
    500: '#01081b',
    950: '#000000',
  },
}

SCSS

$custom: #01081b;
$custom-light: #464a57;
$custom-dark: #000000;

JSON

{
  "hex": "#01081b",
  "rgb": {
    "r": 1,
    "g": 8,
    "b": 27
  },
  "hsl": {
    "h": 223.846,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.13877,
    "c": 0.04512,
    "h": 259
  },
  "luminance": 0.00259
}

Semantic roles & 50–950 ramp

primary

#01081B

secondary

#634E15

accent

#C529FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #01081B

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

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