#01091F#01091F

#01091F is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.6% C 0.051 H 259.8°. Best body text is #FFFFFF at 19.81:1 contrast (WCAG AA passes).

Color values

HEX	#01091F
RGB	rgb(1, 9, 31)
HSL	hsl(224, 94%, 6%)
HSV	hsv(224, 97%, 12%)
CMYK	cmyk(96.8%, 71%, 0%, 87.8%)
CIE-LAB	lab(2.72, 2.93, -13.85)
CIE-LCH	lch(2.72, 14.16, 281.95°)
OKLab	oklab(14.62% -0.0089 -0.0498)
OKLCH	oklch(14.62% 0.051 259.8)
XYZ	xyz(0.3574, 0.3007, 1.3353)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01091F #1F1701

analogous

#01181F #01091F #08011F

triadic

#01091F #1F0109 #091F01

tetradic

#01091F #1F0118 #1F1701 #011F08

square

#01091F #1F0118 #1F1701 #011F08

split-complementary

#01091F #1F0801 #181F01

monochromatic

#01091E #01091E #01091F #031A5A #052B96

Accessibility & contrast

On white

19.81

#01091F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01091F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01091F

19.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01091F	#FFFFFF	#000000	##FFFFFF
##01091F	1.00	19.81	1.06	19.81
#FFFFFF	19.81	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C20

Deuteranopia (green-blind)

#00081F

Tritanopia (blue-blind)

#000E12

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #01091f;
/* rgb */ color: rgb(1, 9, 31);
/* oklch */ color: oklch(14.6% 0.051 259.8);

Tailwind

colors: {
  custom: {
    50: '#464b5a',
    500: '#01091f',
    950: '#000000',
  },
}

SCSS

$custom: #01091f;
$custom-light: #464b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#01091f",
  "rgb": {
    "r": 1,
    "g": 9,
    "b": 31
  },
  "hsl": {
    "h": 224,
    "s": 93.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.14618,
    "c": 0.05056,
    "h": 259.8
  },
  "luminance": 0.00301
}

Semantic roles & 50–950 ramp

primary

#01091F

secondary

#675115

accent

#C629FF

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #01091F

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

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