#0B1056#0B1056

#0B1056 is a very dark, vivid blue. Relative luminance 0.011; OKLCH L 23.4% C 0.122 H 269.5°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#0B1056
RGB	rgb(11, 16, 86)
HSL	hsl(236, 77%, 19%)
HSV	hsv(236, 87%, 34%)
CMYK	cmyk(87.2%, 81.4%, 0%, 66.3%)
CIE-LAB	lab(9.90, 26.45, -42.18)
CIE-LCH	lch(9.90, 49.78, 302.09°)
OKLab	oklab(23.44% -0.0011 -0.1222)
OKLCH	oklch(23.44% 0.122 269.5)
XYZ	xyz(2.0024, 1.1134, 8.9117)
Luminance	0.0111 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1056 #56510B

analogous

#0B3656 #0B1056 #2C0B56

triadic

#0B1056 #560B10 #10560B

tetradic

#0B1056 #560B36 #56510B #0B562C

square

#0B1056 #560B36 #56510B #0B562C

split-complementary

#0B1056 #562C0B #36560B

monochromatic

#03051B #040620 #0B1056 #121A8C #1924C3

Accessibility & contrast

On white

17.17

#0B1056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#0B1056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1056

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1056	#FFFFFF	#000000	##FFFFFF
##0B1056	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F58

Deuteranopia (green-blind)

#001755

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #0b1056;
/* rgb */ color: rgb(11, 16, 86);
/* oklch */ color: oklch(23.4% 0.122 269.5);

Tailwind

colors: {
  custom: {
    50: '#5b4f87',
    500: '#0b1056',
    950: '#000000',
  },
}

SCSS

$custom: #0b1056;
$custom-light: #5b4f87;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1056",
  "rgb": {
    "r": 11,
    "g": 16,
    "b": 86
  },
  "hsl": {
    "h": 236,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23441,
    "c": 0.1222,
    "h": 269.5
  },
  "luminance": 0.01114
}

Semantic roles & 50–950 ramp

primary

#0B1056

secondary

#918B2B

accent

#E734F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #0B1056

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

Preview Lab → · Contrast checker → · Palette generator →