#0B0F56#0B0F56

#0B0F56 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.3% C 0.123 H 269.6°. Best body text is #FFFFFF at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#0B0F56
RGB	rgb(11, 15, 86)
HSL	hsl(237, 77%, 19%)
HSV	hsv(237, 87%, 34%)
CMYK	cmyk(87.2%, 82.6%, 0%, 66.3%)
CIE-LAB	lab(9.68, 27.09, -42.55)
CIE-LCH	lch(9.68, 50.44, 302.48°)
OKLab	oklab(23.28% -0.0008 -0.1233)
OKLCH	oklch(23.28% 0.123 269.6)
XYZ	xyz(1.9880, 1.0844, 8.9068)
Luminance	0.0109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0F56 #56520B

analogous

#0B3556 #0B0F56 #2D0B56

triadic

#0B0F56 #560B0F #0F560B

tetradic

#0B0F56 #560B35 #56520B #0B562D

square

#0B0F56 #560B35 #56520B #0B562D

split-complementary

#0B0F56 #562D0B #35560B

monochromatic

#03051B #040620 #0B0F56 #12188C #1922C3

Accessibility & contrast

On white

17.26

#0B0F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B0F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0F56

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0F56	#FFFFFF	#000000	##FFFFFF
##0B0F56	1.00	17.26	1.22	17.26
#FFFFFF	17.26	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001755

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b0f56;
/* rgb */ color: rgb(11, 15, 86);
/* oklch */ color: oklch(23.3% 0.123 269.6);

Tailwind

colors: {
  custom: {
    50: '#5b4e87',
    500: '#0b0f56',
    950: '#000000',
  },
}

SCSS

$custom: #0b0f56;
$custom-light: #5b4e87;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0f56",
  "rgb": {
    "r": 11,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 236.8,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2328,
    "c": 0.12326,
    "h": 269.6
  },
  "luminance": 0.01085
}

Semantic roles & 50–950 ramp

primary

#0B0F56

secondary

#918C2B

accent

#EA34F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #0B0F56

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

Preview Lab → · Contrast checker → · Palette generator →