#000B1D#000B1D

#000B1D is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.9% C 0.045 H 252.2°. Best body text is #FFFFFF at 19.71:1 contrast (WCAG AA passes).

Color values

HEX	#000B1D
RGB	rgb(0, 11, 29)
HSL	hsl(217, 100%, 6%)
HSV	hsv(217, 100%, 11%)
CMYK	cmyk(100%, 62.1%, 0%, 88.6%)
CIE-LAB	lab(2.96, 1.21, -11.91)
CIE-LCH	lch(2.96, 11.97, 275.82°)
OKLab	oklab(14.91% -0.0137 -0.0428)
OKLCH	oklch(14.91% 0.045 252.2)
XYZ	xyz(0.3414, 0.3280, 1.2075)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000B1D #1D1200

analogous

#00191D #000B1D #03001D

triadic

#000B1D #1D000B #0B1D00

tetradic

#000B1D #1D0019 #1D1200 #001D03

square

#000B1D #1D0019 #1D1200 #001D03

split-complementary

#000B1D #1D0300 #191D00

monochromatic

#000C1F #000C1F #000C1F #00225A #003997

Accessibility & contrast

On white

19.71

#000B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#000B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000B1D

19.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000B1D	#FFFFFF	#000000	##FFFFFF
##000B1D	1.00	19.71	1.07	19.71
#FFFFFF	19.71	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030D1E

Deuteranopia (green-blind)

#00091D

Tritanopia (blue-blind)

#000F12

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #000b1d;
/* rgb */ color: rgb(0, 11, 29);
/* oklch */ color: oklch(14.9% 0.045 252.2);

Tailwind

colors: {
  custom: {
    50: '#464c58',
    500: '#000b1d',
    950: '#000000',
  },
}

SCSS

$custom: #000b1d;
$custom-light: #464c58;
$custom-dark: #000000;

JSON

{
  "hex": "#000b1d",
  "rgb": {
    "r": 0,
    "g": 11,
    "b": 29
  },
  "hsl": {
    "h": 217.241,
    "s": 100,
    "l": 5.686
  },
  "oklch": {
    "l": 0.14905,
    "c": 0.04493,
    "h": 252.2
  },
  "luminance": 0.00328
}

Semantic roles & 50–950 ramp

primary

#000B1D

secondary

#674712

accent

#AE29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #000B1D

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

Preview Lab → · Contrast checker → · Palette generator →