#0B3856#0B3856

#0B3856 is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 32.8% C 0.071 H 243.3°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#0B3856
RGB	rgb(11, 56, 86)
HSL	hsl(204, 77%, 19%)
HSV	hsv(204, 87%, 34%)
CMYK	cmyk(87.2%, 34.9%, 0%, 66.3%)
CIE-LAB	lab(22.20, -2.68, -22.29)
CIE-LCH	lch(22.20, 22.45, 263.15°)
OKLab	oklab(32.77% -0.0319 -0.0633)
OKLCH	oklch(32.77% 0.071 243.3)
XYZ	xyz(3.2312, 3.5710, 9.3213)
Luminance	0.0357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3856 #56290B

analogous

#0B564F #0B3856 #0B1356

triadic

#0B3856 #560B38 #38560B

tetradic

#0B3856 #4F0B56 #56290B #13560B

square

#0B3856 #4F0B56 #56290B #13560B

split-complementary

#0B3856 #560B13 #564F0B

monochromatic

#03121B #041520 #0B3856 #125B8C #197FC3

Accessibility & contrast

On white

12.25

#0B3856 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#0B3856 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3856

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3856	#FFFFFF	#000000	##FFFFFF
##0B3856	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3957

Deuteranopia (green-blind)

#1F3255

Tritanopia (blue-blind)

#003F43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #0b3856;
/* rgb */ color: rgb(11, 56, 86);
/* oklch */ color: oklch(32.8% 0.071 243.3);

Tailwind

colors: {
  custom: {
    50: '#586e86',
    500: '#0b3856',
    950: '#000000',
  },
}

SCSS

$custom: #0b3856;
$custom-light: #586e86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3856",
  "rgb": {
    "r": 11,
    "g": 56,
    "b": 86
  },
  "hsl": {
    "h": 204,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.32768,
    "c": 0.07085,
    "h": 243.3
  },
  "luminance": 0.03571
}

Semantic roles & 50–950 ramp

primary

#0B3856

secondary

#91542B

accent

#8134F4

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0B3856

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

Preview Lab → · Contrast checker → · Palette generator →