#0B3947#0B3947

#0B3947 is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.2% C 0.053 H 223.0°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B3947
RGB	rgb(11, 57, 71)
HSL	hsl(194, 73%, 16%)
HSV	hsv(194, 85%, 28%)
CMYK	cmyk(84.5%, 19.7%, 0%, 72.2%)
CIE-LAB	lab(21.77, -9.53, -12.97)
CIE-LCH	lch(21.77, 16.10, 233.70°)
OKLab	oklab(32.17% -0.039 -0.0363)
OKLCH	oklch(32.17% 0.053 223)
XYZ	xyz(2.7380, 3.4520, 6.4820)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3947 #47190B

analogous

#0B4737 #0B3947 #0B1B47

triadic

#0B3947 #470B39 #39470B

tetradic

#0B3947 #370B47 #47190B #1B470B

square

#0B3947 #370B47 #47190B #1B470B

split-complementary

#0B3947 #470B1B #47370B

monochromatic

#04151A #04151A #0B3947 #13647C #1B8EB1

Accessibility & contrast

On white

12.42

#0B3947 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#0B3947 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3947

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3947	#FFFFFF	#000000	##FFFFFF
##0B3947	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313748

Deuteranopia (green-blind)

#293247

Tritanopia (blue-blind)

#003D3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0b3947;
/* rgb */ color: rgb(11, 57, 71);
/* oklch */ color: oklch(32.2% 0.053 223.0);

Tailwind

colors: {
  custom: {
    50: '#556f7a',
    500: '#0b3947',
    950: '#000000',
  },
}

SCSS

$custom: #0b3947;
$custom-light: #556f7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3947",
  "rgb": {
    "r": 11,
    "g": 57,
    "b": 71
  },
  "hsl": {
    "h": 194,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.32168,
    "c": 0.05331,
    "h": 223
  },
  "luminance": 0.03452
}

Semantic roles & 50–950 ramp

primary

#0B3947

secondary

#833F2A

accent

#6338F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0B3947

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

Preview Lab → · Contrast checker → · Palette generator →