#0B0D56#0B0D56

#0B0D56 is a very dark, vivid blue. Relative luminance 0.010; OKLCH L 23.0% C 0.125 H 269.9°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#0B0D56
RGB	rgb(11, 13, 86)
HSL	hsl(238, 77%, 19%)
HSV	hsv(238, 87%, 34%)
CMYK	cmyk(87.2%, 84.9%, 0%, 66.3%)
CIE-LAB	lab(9.24, 28.32, -43.27)
CIE-LCH	lch(9.24, 51.71, 303.21°)
OKLab	oklab(22.98% -0.0001 -0.1253)
OKLCH	oklch(22.98% 0.125 269.9)
XYZ	xyz(1.9611, 1.0307, 8.8979)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0D56 #56540B

analogous

#0B3356 #0B0D56 #2F0B56

triadic

#0B0D56 #560B0D #0D560B

tetradic

#0B0D56 #560B33 #56540B #0B562F

square

#0B0D56 #560B33 #56540B #0B562F

split-complementary

#0B0D56 #562F0B #33560B

monochromatic

#03041B #040520 #0B0D56 #12158C #191DC3

Accessibility & contrast

On white

17.41

#0B0D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#0B0D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0D56

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0D56	#FFFFFF	#000000	##FFFFFF
##0B0D56	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E58

Deuteranopia (green-blind)

#001655

Tritanopia (blue-blind)

#002331

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #0b0d56;
/* rgb */ color: rgb(11, 13, 86);
/* oklch */ color: oklch(23.0% 0.125 269.9);

Tailwind

colors: {
  custom: {
    50: '#5b4d87',
    500: '#0b0d56',
    950: '#000000',
  },
}

SCSS

$custom: #0b0d56;
$custom-light: #5b4d87;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0d56",
  "rgb": {
    "r": 11,
    "g": 13,
    "b": 86
  },
  "hsl": {
    "h": 238.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.22976,
    "c": 0.12531,
    "h": 269.9
  },
  "luminance": 0.01031
}

Semantic roles & 50–950 ramp

primary

#0B0D56

secondary

#918F2B

accent

#EF34F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05010B

muted

#79777C

Preview Lab

Preview with #0B0D56

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

Preview Lab → · Contrast checker → · Palette generator →