#0B0231#0B0231

#0B0231 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 16.0% C 0.088 H 281.4°. Best body text is #FFFFFF at 19.68:1 contrast (WCAG AA passes).

Color values

HEX	#0B0231
RGB	rgb(11, 2, 49)
HSL	hsl(251, 92%, 10%)
HSV	hsv(251, 96%, 19%)
CMYK	cmyk(77.6%, 95.9%, 0%, 80.8%)
CIE-LAB	lab(3.04, 16.15, -27.13)
CIE-LCH	lch(3.04, 31.57, 300.77°)
OKLab	oklab(16.04% 0.0174 -0.0865)
OKLCH	oklch(16.04% 0.088 281.4)
XYZ	xyz(0.7139, 0.3363, 2.9324)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0231 #283102

analogous

#021131 #0B0231 #220231

triadic

#0B0231 #310B02 #02310B

tetradic

#0B0231 #310211 #283102 #023122

square

#0B0231 #310211 #283102 #023122

split-complementary

#0B0231 #312202 #113102

monochromatic

#07011D #07011D #0B0231 #18046C #2507A7

Accessibility & contrast

On white

19.68

#0B0231 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#0B0231 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0231

19.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0231	#FFFFFF	#000000	##FFFFFF
##0B0231	1.00	19.68	1.07	19.68
#FFFFFF	19.68	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D32

Deuteranopia (green-blind)

#000930

Tritanopia (blue-blind)

#000F19

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #0b0231;
/* rgb */ color: rgb(11, 2, 49);
/* oklch */ color: oklch(16.0% 0.088 281.4);

Tailwind

colors: {
  custom: {
    50: '#4e4769',
    500: '#0b0231',
    950: '#000000',
  },
}

SCSS

$custom: #0b0231;
$custom-light: #4e4769;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0231",
  "rgb": {
    "r": 11,
    "g": 2,
    "b": 49
  },
  "hsl": {
    "h": 251.489,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.16043,
    "c": 0.08824,
    "h": 281.4
  },
  "luminance": 0.00336
}

Semantic roles & 50–950 ramp

primary

#0B0231

secondary

#647519

accent

#FF29D6

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#020006

muted

#78777A

Preview Lab

Preview with #0B0231

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

Preview Lab → · Contrast checker → · Palette generator →