#000B1C#000B1C

#000B1C is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.8% C 0.043 H 251.1°. Best body text is #FFFFFF at 19.73:1 contrast (WCAG AA passes).

Color values

HEX	#000B1C
RGB	rgb(0, 11, 28)
HSL	hsl(216, 100%, 5%)
HSV	hsv(216, 100%, 11%)
CMYK	cmyk(100%, 60.7%, 0%, 89%)
CIE-LAB	lab(2.92, 0.91, -11.18)
CIE-LCH	lch(2.92, 11.22, 274.63°)
OKLab	oklab(14.81% -0.014 -0.0409)
OKLCH	oklch(14.81% 0.043 251.1)
XYZ	xyz(0.3292, 0.3231, 1.1434)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000B1C #1C1100

analogous

#00191C #000B1C #03001C

triadic

#000B1C #1C000B #0B1C00

tetradic

#000B1C #1C0019 #1C1100 #001C03

square

#000B1C #1C0019 #1C1100 #001C03

split-complementary

#000B1C #1C0300 #191C00

monochromatic

#000C1F #000C1F #000C1F #002359 #003B96

Accessibility & contrast

On white

19.73

#000B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#000B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000B1C

19.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000B1C	#FFFFFF	#000000	##FFFFFF
##000B1C	1.00	19.73	1.06	19.73
#FFFFFF	19.73	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040C1D

Deuteranopia (green-blind)

#01091C

Tritanopia (blue-blind)

#000F12

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #000b1c;
/* rgb */ color: rgb(0, 11, 28);
/* oklch */ color: oklch(14.8% 0.043 251.1);

Tailwind

colors: {
  custom: {
    50: '#464c58',
    500: '#000b1c',
    950: '#000000',
  },
}

SCSS

$custom: #000b1c;
$custom-light: #464c58;
$custom-dark: #000000;

JSON

{
  "hex": "#000b1c",
  "rgb": {
    "r": 0,
    "g": 11,
    "b": 28
  },
  "hsl": {
    "h": 216.429,
    "s": 100,
    "l": 5.49
  },
  "oklch": {
    "l": 0.14811,
    "c": 0.04319,
    "h": 251.1
  },
  "luminance": 0.00323
}

Semantic roles & 50–950 ramp

primary

#000B1C

secondary

#664512

accent

#AB29FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #000B1C

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

Preview Lab → · Contrast checker → · Palette generator →