#01091D#01091D

#01091D is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.4% C 0.047 H 258.6°. Best body text is #FFFFFF at 19.85:1 contrast (WCAG AA passes).

Color values

HEX	#01091D
RGB	rgb(1, 9, 29)
HSL	hsl(223, 93%, 6%)
HSV	hsv(223, 97%, 11%)
CMYK	cmyk(96.6%, 69%, 0%, 88.6%)
CIE-LAB	lab(2.62, 2.29, -12.41)
CIE-LCH	lch(2.62, 12.61, 280.44°)
OKLab	oklab(14.41% -0.0093 -0.046)
OKLCH	oklch(14.41% 0.047 258.6)
XYZ	xyz(0.3319, 0.2905, 1.2007)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01091D #1D1501

analogous

#01171D #01091D #07011D

triadic

#01091D #1D0109 #091D01

tetradic

#01091D #1D0117 #1D1501 #011D07

square

#01091D #1D0117 #1D1501 #011D07

split-complementary

#01091D #1D0701 #171D01

monochromatic

#01091E #01091E #01091E #031B58 #052E93

Accessibility & contrast

On white

19.85

#01091D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01091D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01091D

19.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01091D	#FFFFFF	#000000	##FFFFFF
##01091D	1.00	19.85	1.06	19.85
#FFFFFF	19.85	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010B1E

Deuteranopia (green-blind)

#00081D

Tritanopia (blue-blind)

#000E11

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #01091d;
/* rgb */ color: rgb(1, 9, 29);
/* oklch */ color: oklch(14.4% 0.047 258.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#01091d",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 29
  },
  "hsl": {
    "h": 222.857,
    "s": 93.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.14411,
    "c": 0.04694,
    "h": 258.6
  },
  "luminance": 0.00291
}

Semantic roles & 50–950 ramp

primary

#01091D

secondary

#654E15

accent

#C229FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #01091D

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

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