#0B3847#0B3847

#0B3847 is a dark, muted cyan. Relative luminance 0.034; OKLCH L 31.9% C 0.054 H 225.1°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#0B3847
RGB	rgb(11, 56, 71)
HSL	hsl(195, 73%, 16%)
HSV	hsv(195, 85%, 28%)
CMYK	cmyk(84.5%, 21.1%, 0%, 72.2%)
CIE-LAB	lab(21.41, -8.89, -13.53)
CIE-LCH	lch(21.41, 16.19, 236.68°)
OKLab	oklab(31.88% -0.0378 -0.0379)
OKLCH	oklch(31.88% 0.054 225.1)
XYZ	xyz(2.6890, 3.3541, 6.4657)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3847 #471A0B

analogous

#0B4738 #0B3847 #0B1A47

triadic

#0B3847 #470B38 #38470B

tetradic

#0B3847 #380B47 #471A0B #1A470B

square

#0B3847 #380B47 #471A0B #1A470B

split-complementary

#0B3847 #470B1A #47380B

monochromatic

#04151A #04151A #0B3847 #13627C #1B8CB1

Accessibility & contrast

On white

12.57

#0B3847 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#0B3847 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3847

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3847	#FFFFFF	#000000	##FFFFFF
##0B3847	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303748

Deuteranopia (green-blind)

#283147

Tritanopia (blue-blind)

#003C3D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0b3847;
/* rgb */ color: rgb(11, 56, 71);
/* oklch */ color: oklch(31.9% 0.054 225.1);

Tailwind

colors: {
  custom: {
    50: '#556e7a',
    500: '#0b3847',
    950: '#000000',
  },
}

SCSS

$custom: #0b3847;
$custom-light: #556e7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3847",
  "rgb": {
    "r": 11,
    "g": 56,
    "b": 71
  },
  "hsl": {
    "h": 195,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31879,
    "c": 0.05358,
    "h": 225.1
  },
  "luminance": 0.03354
}

Semantic roles & 50–950 ramp

primary

#0B3847

secondary

#83412A

accent

#6638F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3847

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

Preview Lab → · Contrast checker → · Palette generator →