#0B1756#0B1756

#0B1756 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.7% C 0.114 H 267.8°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#0B1756
RGB	rgb(11, 23, 86)
HSL	hsl(230, 77%, 19%)
HSV	hsv(230, 87%, 34%)
CMYK	cmyk(87.2%, 73.3%, 0%, 66.3%)
CIE-LAB	lab(11.66, 21.60, -39.28)
CIE-LCH	lch(11.66, 44.83, 298.81°)
OKLab	oklab(24.71% -0.0043 -0.1138)
OKLCH	oklch(24.71% 0.114 267.8)
XYZ	xyz(2.1235, 1.3556, 8.9520)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1756 #564A0B

analogous

#0B3D56 #0B1756 #250B56

triadic

#0B1756 #560B17 #17560B

tetradic

#0B1756 #560B3D #564A0B #0B5625

square

#0B1756 #560B3D #564A0B #0B5625

split-complementary

#0B1756 #56250B #3D560B

monochromatic

#03071B #040820 #0B1756 #12268C #1934C3

Accessibility & contrast

On white

16.52

#0B1756 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#0B1756 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1756

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1756	#FFFFFF	#000000	##FFFFFF
##0B1756	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002258

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002834

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #0b1756;
/* rgb */ color: rgb(11, 23, 86);
/* oklch */ color: oklch(24.7% 0.114 267.8);

Tailwind

colors: {
  custom: {
    50: '#5a5486',
    500: '#0b1756',
    950: '#000000',
  },
}

SCSS

$custom: #0b1756;
$custom-light: #5a5486;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1756",
  "rgb": {
    "r": 11,
    "g": 23,
    "b": 86
  },
  "hsl": {
    "h": 230.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.24705,
    "c": 0.11385,
    "h": 267.8
  },
  "luminance": 0.01356
}

Semantic roles & 50–950 ramp

primary

#0B1756

secondary

#91812B

accent

#D534F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0B1756

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

Preview Lab → · Contrast checker → · Palette generator →