#0B3347#0B3347

#0B3347 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.4% C 0.056 H 235.1°. Best body text is #FFFFFF at 13.30:1 contrast (WCAG AA passes).

Color values

HEX	#0B3347
RGB	rgb(11, 51, 71)
HSL	hsl(200, 73%, 16%)
HSV	hsv(200, 85%, 28%)
CMYK	cmyk(84.5%, 28.2%, 0%, 72.2%)
CIE-LAB	lab(19.61, -5.63, -16.32)
CIE-LCH	lch(19.61, 17.26, 250.98°)
OKLab	oklab(30.44% -0.0321 -0.046)
OKLCH	oklch(30.44% 0.056 235.1)
XYZ	xyz(2.4587, 2.8934, 6.3889)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3347 #471F0B

analogous

#0B473D #0B3347 #0B1547

triadic

#0B3347 #470B33 #33470B

tetradic

#0B3347 #3D0B47 #471F0B #15470B

square

#0B3347 #3D0B47 #471F0B #15470B

split-complementary

#0B3347 #470B15 #473D0B

monochromatic

#04131A #04131A #0B3347 #13597C #1B7FB1

Accessibility & contrast

On white

13.30

#0B3347 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0B3347 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3347

13.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3347	#FFFFFF	#000000	##FFFFFF
##0B3347	1.00	13.30	1.58	13.30
#FFFFFF	13.30	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293348

Deuteranopia (green-blind)

#212D47

Tritanopia (blue-blind)

#00383A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0b3347;
/* rgb */ color: rgb(11, 51, 71);
/* oklch */ color: oklch(30.4% 0.056 235.1);

Tailwind

colors: {
  custom: {
    50: '#556a7a',
    500: '#0b3347',
    950: '#000000',
  },
}

SCSS

$custom: #0b3347;
$custom-light: #556a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3347",
  "rgb": {
    "r": 11,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 200,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.30444,
    "c": 0.05608,
    "h": 235.1
  },
  "luminance": 0.02894
}

Semantic roles & 50–950 ramp

primary

#0B3347

secondary

#83482A

accent

#7538F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3347

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

Preview Lab → · Contrast checker → · Palette generator →