#0B3B47#0B3B47

#0B3B47 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 32.7% C 0.053 H 218.7°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#0B3B47
RGB	rgb(11, 59, 71)
HSL	hsl(192, 73%, 16%)
HSV	hsv(192, 85%, 28%)
CMYK	cmyk(84.5%, 16.9%, 0%, 72.2%)
CIE-LAB	lab(22.49, -10.78, -11.86)
CIE-LCH	lch(22.49, 16.03, 227.74°)
OKLab	oklab(32.75% -0.0413 -0.0331)
OKLCH	oklch(32.75% 0.053 218.7)
XYZ	xyz(2.8388, 3.6537, 6.5156)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3B47 #47170B

analogous

#0B4735 #0B3B47 #0B1D47

triadic

#0B3B47 #470B3B #3B470B

tetradic

#0B3B47 #350B47 #47170B #1D470B

square

#0B3B47 #350B47 #47170B #1D470B

split-complementary

#0B3B47 #470B1D #47350B

monochromatic

#04161A #04161A #0B3B47 #13677C #1B93B1

Accessibility & contrast

On white

12.13

#0B3B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0B3B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3B47

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3B47	#FFFFFF	#000000	##FFFFFF
##0B3B47	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333948

Deuteranopia (green-blind)

#2B3347

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0b3b47;
/* rgb */ color: rgb(11, 59, 71);
/* oklch */ color: oklch(32.7% 0.053 218.7);

Tailwind

colors: {
  custom: {
    50: '#55717a',
    500: '#0b3b47',
    950: '#000000',
  },
}

SCSS

$custom: #0b3b47;
$custom-light: #55717a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3b47",
  "rgb": {
    "r": 11,
    "g": 59,
    "b": 71
  },
  "hsl": {
    "h": 192,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32748,
    "c": 0.05299,
    "h": 218.7
  },
  "luminance": 0.03654
}

Semantic roles & 50–950 ramp

primary

#0B3B47

secondary

#833C2A

accent

#5D38F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3B47

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

Preview Lab → · Contrast checker → · Palette generator →