#0B0331#0B0331

#0B0331 is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 16.3% C 0.086 H 280.8°. Best body text is #FFFFFF at 19.60:1 contrast (WCAG AA passes).

Color values

HEX	#0B0331
RGB	rgb(11, 3, 49)
HSL	hsl(250, 88%, 10%)
HSV	hsv(250, 94%, 19%)
CMYK	cmyk(77.6%, 93.9%, 0%, 80.8%)
CIE-LAB	lab(3.23, 15.75, -26.81)
CIE-LCH	lch(3.23, 31.10, 300.43°)
OKLab	oklab(16.29% 0.0162 -0.0848)
OKLCH	oklch(16.29% 0.086 280.8)
XYZ	xyz(0.7248, 0.3580, 2.9360)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight

#03012D

ΔE00 2.13

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0331 #293103

analogous

#031231 #0B0331 #220331

triadic

#0B0331 #310B03 #03310B

tetradic

#0B0331 #310312 #293103 #033122

square

#0B0331 #310312 #293103 #033122

split-complementary

#0B0331 #312203 #123103

monochromatic

#06021D #06021D #0B0331 #18076B #250AA4

Accessibility & contrast

On white

19.60

#0B0331 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0B0331 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0331

19.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0331	#FFFFFF	#000000	##FFFFFF
##0B0331	1.00	19.60	1.07	19.60
#FFFFFF	19.60	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D32

Deuteranopia (green-blind)

#000A30

Tritanopia (blue-blind)

#001019

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #0b0331;
/* rgb */ color: rgb(11, 3, 49);
/* oklch */ color: oklch(16.3% 0.086 280.8);

Tailwind

colors: {
  custom: {
    50: '#4e4769',
    500: '#0b0331',
    950: '#000000',
  },
}

SCSS

$custom: #0b0331;
$custom-light: #4e4769;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0331",
  "rgb": {
    "r": 11,
    "g": 3,
    "b": 49
  },
  "hsl": {
    "h": 250.435,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.16294,
    "c": 0.08633,
    "h": 280.8
  },
  "luminance": 0.00358
}

Semantic roles & 50–950 ramp

primary

#0B0331

secondary

#65741B

accent

#FF29D9

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0331

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

Preview Lab → · Contrast checker → · Palette generator →