#01091E#01091E

#01091E is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.5% C 0.049 H 259.3°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#01091E
RGB	rgb(1, 9, 30)
HSL	hsl(223, 94%, 6%)
HSV	hsv(223, 97%, 12%)
CMYK	cmyk(96.7%, 70%, 0%, 88.2%)
CIE-LAB	lab(2.67, 2.61, -13.13)
CIE-LCH	lch(2.67, 13.39, 281.23°)
OKLab	oklab(14.51% -0.0091 -0.0479)
OKLCH	oklch(14.51% 0.049 259.3)
XYZ	xyz(0.3445, 0.2955, 1.2669)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01091E #1E1601

analogous

#01171E #01091E #07011E

triadic

#01091E #1E0109 #091E01

tetradic

#01091E #1E0117 #1E1601 #011E07

square

#01091E #1E0117 #1E1601 #011E07

split-complementary

#01091E #1E0701 #171E01

monochromatic

#01091E #01091E #01091E #031B59 #052D94

Accessibility & contrast

On white

19.83

#01091E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01091E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01091E

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01091E	#FFFFFF	#000000	##FFFFFF
##01091E	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#010B1F

Deuteranopia (green-blind)

#00081E

Tritanopia (blue-blind)

#000E12

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #01091e;
/* rgb */ color: rgb(1, 9, 30);
/* oklch */ color: oklch(14.5% 0.049 259.3);

Tailwind

colors: {
  custom: {
    50: '#464b59',
    500: '#01091e',
    950: '#000000',
  },
}

SCSS

$custom: #01091e;
$custom-light: #464b59;
$custom-dark: #000000;

JSON

{
  "hex": "#01091e",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 30
  },
  "hsl": {
    "h": 223.448,
    "s": 93.548,
    "l": 6.078
  },
  "oklch": {
    "l": 0.14513,
    "c": 0.04876,
    "h": 259.3
  },
  "luminance": 0.00296
}

Semantic roles & 50–950 ramp

primary

#01091E

secondary

#664F15

accent

#C429FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #01091E

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

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