#0B0C56#0B0C56

#0B0C56 is a very dark, vivid blue. Relative luminance 0.010; OKLCH L 22.8% C 0.126 H 270.1°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#0B0C56
RGB	rgb(11, 12, 86)
HSL	hsl(239, 77%, 19%)
HSV	hsv(239, 87%, 34%)
CMYK	cmyk(87.2%, 86%, 0%, 66.3%)
CIE-LAB	lab(9.04, 28.92, -43.61)
CIE-LCH	lch(9.04, 52.32, 303.55°)
OKLab	oklab(22.83% 0.0002 -0.1263)
OKLCH	oklch(22.83% 0.126 270.1)
XYZ	xyz(1.9486, 1.0058, 8.8937)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0C56 #56550B

analogous

#0B3256 #0B0C56 #300B56

triadic

#0B0C56 #560B0C #0C560B

tetradic

#0B0C56 #560B32 #56550B #0B5630

square

#0B0C56 #560B32 #56550B #0B5630

split-complementary

#0B0C56 #56300B #32560B

monochromatic

#03041B #040420 #0B0C56 #12148C #191BC3

Accessibility & contrast

On white

17.48

#0B0C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#0B0C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0C56

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0C56	#FFFFFF	#000000	##FFFFFF
##0B0C56	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D58

Deuteranopia (green-blind)

#001655

Tritanopia (blue-blind)

#002331

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b0c56;
/* rgb */ color: rgb(11, 12, 86);
/* oklch */ color: oklch(22.8% 0.126 270.1);

Tailwind

colors: {
  custom: {
    50: '#5b4c87',
    500: '#0b0c56',
    950: '#000000',
  },
}

SCSS

$custom: #0b0c56;
$custom-light: #5b4c87;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0c56",
  "rgb": {
    "r": 11,
    "g": 12,
    "b": 86
  },
  "hsl": {
    "h": 239.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.22833,
    "c": 0.12628,
    "h": 270.1
  },
  "luminance": 0.01006
}

Semantic roles & 50–950 ramp

primary

#0B0C56

secondary

#91902B

accent

#F134F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #0B0C56

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

Preview Lab → · Contrast checker → · Palette generator →