#00091F#00091F

#00091F is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.5% C 0.052 H 257.1°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#00091F
RGB	rgb(0, 9, 31)
HSL	hsl(223, 100%, 6%)
HSV	hsv(223, 100%, 12%)
CMYK	cmyk(100%, 71%, 0%, 87.8%)
CIE-LAB	lab(2.66, 2.67, -13.94)
CIE-LCH	lch(2.66, 14.20, 280.84°)
OKLab	oklab(14.49% -0.0115 -0.0504)
OKLCH	oklch(14.49% 0.052 257.1)
XYZ	xyz(0.3449, 0.2943, 1.3347)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00091F #1F1600

analogous

#00181F #00091F #06001F

triadic

#00091F #1F0009 #091F00

tetradic

#00091F #1F0018 #1F1600 #001F06

square

#00091F #1F0018 #1F1600 #001F06

split-complementary

#00091F #1F0600 #181F00

monochromatic

#00091F #00091F #00091F #001B5C #002D99

Accessibility & contrast

On white

19.83

#00091F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#00091F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00091F

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00091F	#FFFFFF	#000000	##FFFFFF
##00091F	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)

#000B20

Deuteranopia (green-blind)

#00081F

Tritanopia (blue-blind)

#000E12

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #00091f;
/* rgb */ color: rgb(0, 9, 31);
/* oklch */ color: oklch(14.5% 0.052 257.1);

Tailwind

colors: {
  custom: {
    50: '#464b5a',
    500: '#00091f',
    950: '#000000',
  },
}

SCSS

$custom: #00091f;
$custom-light: #464b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#00091f",
  "rgb": {
    "r": 0,
    "g": 9,
    "b": 31
  },
  "hsl": {
    "h": 222.581,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.14491,
    "c": 0.05172,
    "h": 257.1
  },
  "luminance": 0.00294
}

Semantic roles & 50–950 ramp

primary

#00091F

secondary

#684F12

accent

#C129FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000104

muted

#767779

Preview Lab

Preview with #00091F

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

Preview Lab → · Contrast checker → · Palette generator →