#0B3556#0B3556

#0B3556 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 32.0% C 0.074 H 247.1°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#0B3556
RGB	rgb(11, 53, 86)
HSL	hsl(206, 77%, 19%)
HSV	hsv(206, 87%, 34%)
CMYK	cmyk(87.2%, 38.4%, 0%, 66.3%)
CIE-LAB	lab(21.17, -0.61, -23.92)
CIE-LCH	lch(21.17, 23.93, 268.53°)
OKLab	oklab(31.95% -0.0288 -0.0681)
OKLCH	oklch(31.95% 0.074 247.1)
XYZ	xyz(3.0902, 3.2889, 9.2742)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3556 #562C0B

analogous

#0B5652 #0B3556 #0B1056

triadic

#0B3556 #560B35 #35560B

tetradic

#0B3556 #520B56 #562C0B #10560B

square

#0B3556 #520B56 #562C0B #10560B

split-complementary

#0B3556 #560B10 #56520B

monochromatic

#03111B #041420 #0B3556 #12568C #1978C3

Accessibility & contrast

On white

12.67

#0B3556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#0B3556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3556

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3556	#FFFFFF	#000000	##FFFFFF
##0B3556	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253757

Deuteranopia (green-blind)

#1B3055

Tritanopia (blue-blind)

#003D41

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0b3556;
/* rgb */ color: rgb(11, 53, 86);
/* oklch */ color: oklch(32.0% 0.074 247.1);

Tailwind

colors: {
  custom: {
    50: '#586b86',
    500: '#0b3556',
    950: '#000000',
  },
}

SCSS

$custom: #0b3556;
$custom-light: #586b86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3556",
  "rgb": {
    "r": 11,
    "g": 53,
    "b": 86
  },
  "hsl": {
    "h": 206.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.31952,
    "c": 0.07394,
    "h": 247.1
  },
  "luminance": 0.03289
}

Semantic roles & 50–950 ramp

primary

#0B3556

secondary

#91582B

accent

#8834F4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #0B3556

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

Preview Lab → · Contrast checker → · Palette generator →