#0B1556#0B1556

#0B1556 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.3% C 0.116 H 268.4°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#0B1556
RGB	rgb(11, 21, 86)
HSL	hsl(232, 77%, 19%)
HSV	hsv(232, 87%, 34%)
CMYK	cmyk(87.2%, 75.6%, 0%, 66.3%)
CIE-LAB	lab(11.13, 23.04, -40.15)
CIE-LCH	lch(11.13, 46.29, 299.85°)
OKLab	oklab(24.32% -0.0033 -0.1163)
OKLCH	oklch(24.32% 0.116 268.4)
XYZ	xyz(2.0853, 1.2791, 8.9393)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1556 #564C0B

analogous

#0B3B56 #0B1556 #270B56

triadic

#0B1556 #560B15 #15560B

tetradic

#0B1556 #560B3B #564C0B #0B5627

square

#0B1556 #560B3B #564C0B #0B5627

split-complementary

#0B1556 #56270B #3B560B

monochromatic

#03071B #040820 #0B1556 #12228C #192FC3

Accessibility & contrast

On white

16.72

#0B1556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0B1556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1556

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1556	#FFFFFF	#000000	##FFFFFF
##0B1556	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002158

Deuteranopia (green-blind)

#001A55

Tritanopia (blue-blind)

#002733

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0b1556;
/* rgb */ color: rgb(11, 21, 86);
/* oklch */ color: oklch(24.3% 0.116 268.4);

Tailwind

colors: {
  custom: {
    50: '#5a5286',
    500: '#0b1556',
    950: '#000000',
  },
}

SCSS

$custom: #0b1556;
$custom-light: #5a5286;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1556",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 86
  },
  "hsl": {
    "h": 232,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2432,
    "c": 0.11637,
    "h": 268.4
  },
  "luminance": 0.01279
}

Semantic roles & 50–950 ramp

primary

#0B1556

secondary

#91842B

accent

#DA34F4

background

#F5F4F8

surface

#E9E7EF

border

#C5C3CA

text

#04020B

muted

#79787C

Preview Lab

Preview with #0B1556

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

Preview Lab → · Contrast checker → · Palette generator →