#0B3656#0B3656

#0B3656 is a dark, moderate cyan. Relative luminance 0.034; OKLCH L 32.2% C 0.073 H 245.9°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#0B3656
RGB	rgb(11, 54, 86)
HSL	hsl(206, 77%, 19%)
HSV	hsv(206, 87%, 34%)
CMYK	cmyk(87.2%, 37.2%, 0%, 66.3%)
CIE-LAB	lab(21.51, -1.31, -23.37)
CIE-LCH	lch(21.51, 23.41, 266.80°)
OKLab	oklab(32.22% -0.0298 -0.0665)
OKLCH	oklch(32.22% 0.073 245.9)
XYZ	xyz(3.1362, 3.3810, 9.2896)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3656 #562B0B

analogous

#0B5651 #0B3656 #0B1156

triadic

#0B3656 #560B36 #36560B

tetradic

#0B3656 #510B56 #562B0B #11560B

square

#0B3656 #510B56 #562B0B #11560B

split-complementary

#0B3656 #560B11 #56510B

monochromatic

#03111B #041420 #0B3656 #12588C #197AC3

Accessibility & contrast

On white

12.53

#0B3656 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#0B3656 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3656

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3656	#FFFFFF	#000000	##FFFFFF
##0B3656	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273757

Deuteranopia (green-blind)

#1C3155

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0b3656;
/* rgb */ color: rgb(11, 54, 86);
/* oklch */ color: oklch(32.2% 0.073 245.9);

Tailwind

colors: {
  custom: {
    50: '#586c86',
    500: '#0b3656',
    950: '#000000',
  },
}

SCSS

$custom: #0b3656;
$custom-light: #586c86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3656",
  "rgb": {
    "r": 11,
    "g": 54,
    "b": 86
  },
  "hsl": {
    "h": 205.6,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.32223,
    "c": 0.07288,
    "h": 245.9
  },
  "luminance": 0.03381
}

Semantic roles & 50–950 ramp

primary

#0B3656

secondary

#91572B

accent

#8634F4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0B3656

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

Preview Lab → · Contrast checker → · Palette generator →