#0B1D56#0B1D56

#0B1D56 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.0% C 0.106 H 265.7°. Best body text is #FFFFFF at 15.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B1D56
RGB	rgb(11, 29, 86)
HSL	hsl(226, 77%, 19%)
HSV	hsv(226, 87%, 34%)
CMYK	cmyk(87.2%, 66.3%, 0%, 66.3%)
CIE-LAB	lab(13.36, 17.15, -36.49)
CIE-LCH	lch(13.36, 40.32, 295.17°)
OKLab	oklab(25.96% -0.0079 -0.1055)
OKLCH	oklch(25.96% 0.106 265.7)
XYZ	xyz(2.2565, 1.6215, 8.9963)
Luminance	0.0162 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1D56 #56440B

analogous

#0B4356 #0B1D56 #1F0B56

triadic

#0B1D56 #560B1D #1D560B

tetradic

#0B1D56 #560B43 #56440B #0B561F

square

#0B1D56 #560B43 #56440B #0B561F

split-complementary

#0B1D56 #561F0B #43560B

monochromatic

#03091B #040B20 #0B1D56 #122F8C #1942C3

Accessibility & contrast

On white

15.86

#0B1D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B1D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1D56

15.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1D56	#FFFFFF	#000000	##FFFFFF
##0B1D56	1.00	15.86	1.32	15.86
#FFFFFF	15.86	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002658

Deuteranopia (green-blind)

#001F55

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b1d56;
/* rgb */ color: rgb(11, 29, 86);
/* oklch */ color: oklch(26.0% 0.106 265.7);

Tailwind

colors: {
  custom: {
    50: '#595886',
    500: '#0b1d56',
    950: '#000000',
  },
}

SCSS

$custom: #0b1d56;
$custom-light: #595886;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1d56",
  "rgb": {
    "r": 11,
    "g": 29,
    "b": 86
  },
  "hsl": {
    "h": 225.6,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25958,
    "c": 0.10585,
    "h": 265.7
  },
  "luminance": 0.01622
}

Semantic roles & 50–950 ramp

primary

#0B1D56

secondary

#91792B

accent

#C634F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #0B1D56

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

Preview Lab → · Contrast checker → · Palette generator →