#0B3647#0B3647

#0B3647 is a dark, muted cyan. Relative luminance 0.032; OKLCH L 31.3% C 0.054 H 229.2°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#0B3647
RGB	rgb(11, 54, 71)
HSL	hsl(197, 73%, 16%)
HSV	hsv(197, 85%, 28%)
CMYK	cmyk(84.5%, 23.9%, 0%, 72.2%)
CIE-LAB	lab(20.69, -7.61, -14.64)
CIE-LCH	lch(20.69, 16.50, 242.55°)
OKLab	oklab(31.3% -0.0355 -0.0411)
OKLCH	oklch(31.3% 0.054 229.2)
XYZ	xyz(2.5940, 3.1641, 6.4340)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3647 #471C0B

analogous

#0B473A #0B3647 #0B1847

triadic

#0B3647 #470B36 #36470B

tetradic

#0B3647 #3A0B47 #471C0B #18470B

square

#0B3647 #3A0B47 #471C0B #18470B

split-complementary

#0B3647 #470B18 #473A0B

monochromatic

#04141A #04141A #0B3647 #135E7C #1B87B1

Accessibility & contrast

On white

12.86

#0B3647 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#0B3647 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3647

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3647	#FFFFFF	#000000	##FFFFFF
##0B3647	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3548

Deuteranopia (green-blind)

#252F47

Tritanopia (blue-blind)

#003B3C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #0b3647;
/* rgb */ color: rgb(11, 54, 71);
/* oklch */ color: oklch(31.3% 0.054 229.2);

Tailwind

colors: {
  custom: {
    50: '#556d7a',
    500: '#0b3647',
    950: '#000000',
  },
}

SCSS

$custom: #0b3647;
$custom-light: #556d7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3647",
  "rgb": {
    "r": 11,
    "g": 54,
    "b": 71
  },
  "hsl": {
    "h": 197,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.31303,
    "c": 0.05437,
    "h": 229.2
  },
  "luminance": 0.03164
}

Semantic roles & 50–950 ramp

primary

#0B3647

secondary

#83442A

accent

#6C38F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3647

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

Preview Lab → · Contrast checker → · Palette generator →