#0B2556#0B2556

#0B2556 is a dark, moderate blue. Relative luminance 0.021; OKLCH L 27.8% C 0.095 H 261.6°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B2556
RGB	rgb(11, 37, 86)
HSL	hsl(219, 77%, 19%)
HSV	hsv(219, 87%, 34%)
CMYK	cmyk(87.2%, 57%, 0%, 66.3%)
CIE-LAB	lab(15.83, 11.08, -32.47)
CIE-LCH	lch(15.83, 34.31, 288.84°)
OKLab	oklab(27.82% -0.0139 -0.0936)
OKLCH	oklch(27.82% 0.095 261.6)
XYZ	xyz(2.4787, 2.0659, 9.0704)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2556 #563C0B

analogous

#0B4B56 #0B2556 #170B56

triadic

#0B2556 #560B25 #25560B

tetradic

#0B2556 #560B4B #563C0B #0B5617

square

#0B2556 #560B4B #563C0B #0B5617

split-complementary

#0B2556 #56170B #4B560B

monochromatic

#030C1B #040E20 #0B2556 #123C8C #1954C3

Accessibility & contrast

On white

14.86

#0B2556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#0B2556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2556

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2556	#FFFFFF	#000000	##FFFFFF
##0B2556	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#032B58

Deuteranopia (green-blind)

#002455

Tritanopia (blue-blind)

#003139

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b2556;
/* rgb */ color: rgb(11, 37, 86);
/* oklch */ color: oklch(27.8% 0.095 261.6);

Tailwind

colors: {
  custom: {
    50: '#595e86',
    500: '#0b2556',
    950: '#000000',
  },
}

SCSS

$custom: #0b2556;
$custom-light: #595e86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2556",
  "rgb": {
    "r": 11,
    "g": 37,
    "b": 86
  },
  "hsl": {
    "h": 219.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.27816,
    "c": 0.09462,
    "h": 261.6
  },
  "luminance": 0.02066
}

Semantic roles & 50–950 ramp

primary

#0B2556

secondary

#916E2B

accent

#B134F4

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04040B

muted

#79797C

Preview Lab

Preview with #0B2556

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

Preview Lab → · Contrast checker → · Palette generator →