#0B042B#0B042B

#0B042B is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 15.8% C 0.076 H 283.2°. Best body text is #FFFFFF at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#0B042B
RGB	rgb(11, 4, 43)
HSL	hsl(251, 83%, 9%)
HSV	hsv(251, 91%, 17%)
CMYK	cmyk(74.4%, 90.7%, 0%, 83.1%)
CIE-LAB	lab(3.00, 12.35, -22.66)
CIE-LCH	lch(3.00, 25.80, 298.58°)
OKLab	oklab(15.76% 0.0173 -0.0737)
OKLCH	oklch(15.76% 0.076 283.2)
XYZ	xyz(0.6173, 0.3324, 2.3167)
Luminance	0.0033 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B042B #242B04

analogous

#04112B #0B042B #1F042B

triadic

#0B042B #2B0B04 #042B0B

tetradic

#0B042B #2B0411 #242B04 #042B1F

square

#0B042B #2B0411 #242B04 #042B1F

split-complementary

#0B042B #2B1F04 #112B04

monochromatic

#07031C #07031C #0B042B #190963 #280E9B

Accessibility & contrast

On white

19.69

#0B042B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0B042B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B042B

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B042B	#FFFFFF	#000000	##FFFFFF
##0B042B	1.00	19.69	1.07	19.69
#FFFFFF	19.69	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C2C

Deuteranopia (green-blind)

#000A2A

Tritanopia (blue-blind)

#000E16

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #0b042b;
/* rgb */ color: rgb(11, 4, 43);
/* oklch */ color: oklch(15.8% 0.076 283.2);

Tailwind

colors: {
  custom: {
    50: '#4c4864',
    500: '#0b042b',
    950: '#000000',
  },
}

SCSS

$custom: #0b042b;
$custom-light: #4c4864;
$custom-dark: #000000;

JSON

{
  "hex": "#0b042b",
  "rgb": {
    "r": 11,
    "g": 4,
    "b": 43
  },
  "hsl": {
    "h": 250.769,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.15756,
    "c": 0.07572,
    "h": 283.2
  },
  "luminance": 0.00332
}

Semantic roles & 50–950 ramp

primary

#0B042B

secondary

#5F6E1D

accent

#F92ED5

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010005

muted

#77777A

Preview Lab

Preview with #0B042B

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

Preview Lab → · Contrast checker → · Palette generator →