#0B001F#0B001F

#0B001F is a very dark, moderate violet. Relative luminance 0.002; OKLCH L 12.9% C 0.070 H 296.4°. Best body text is #FFFFFF at 20.31:1 contrast (WCAG AA passes).

Color values

HEX	#0B001F
RGB	rgb(11, 0, 31)
HSL	hsl(261, 100%, 6%)
HSV	hsv(261, 100%, 12%)
CMYK	cmyk(64.5%, 100%, 0%, 87.8%)
CIE-LAB	lab(1.54, 9.16, -15.58)
CIE-LCH	lch(1.54, 18.07, 300.46°)
OKLab	oklab(12.9% 0.0312 -0.0629)
OKLCH	oklch(12.9% 0.07 296.4)
XYZ	xyz(0.3853, 0.1701, 1.3086)
Luminance	0.0017 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B001F #141F00

analogous

#00041F #0B001F #1A001F

triadic

#0B001F #1F0B00 #001F0B

tetradic

#0B001F #1F0004 #141F00 #001F1A

square

#0B001F #1F0004 #141F00 #001F1A

split-complementary

#0B001F #1F1A00 #041F00

monochromatic

#0B001F #0B001F #0B001F #21005C #360099

Accessibility & contrast

On white

20.31

#0B001F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#0B001F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B001F

20.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B001F	#FFFFFF	#000000	##FFFFFF
##0B001F	1.00	20.31	1.03	20.31
#FFFFFF	20.31	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000620

Deuteranopia (green-blind)

#00051E

Tritanopia (blue-blind)

#06060D

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #0b001f;
/* rgb */ color: rgb(11, 0, 31);
/* oklch */ color: oklch(12.9% 0.070 296.4);

Tailwind

colors: {
  custom: {
    50: '#4b475a',
    500: '#0b001f',
    950: '#000000',
  },
}

SCSS

$custom: #0b001f;
$custom-light: #4b475a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b001f",
  "rgb": {
    "r": 11,
    "g": 0,
    "b": 31
  },
  "hsl": {
    "h": 261.29,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.12895,
    "c": 0.07025,
    "h": 296.4
  },
  "luminance": 0.0017
}

Semantic roles & 50–950 ramp

primary

#0B001F

secondary

#4A6812

accent

#FF29B3

background

#F4F3F5

surface

#E7E5E9

border

#C3C1C5

text

#010004

muted

#777779

Preview Lab

Preview with #0B001F

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

Preview Lab → · Contrast checker → · Palette generator →