#0D3747#0D3747

#0D3747 is a dark, muted cyan. Relative luminance 0.033; OKLCH L 31.6% C 0.053 H 227.8°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#0D3747
RGB	rgb(13, 55, 71)
HSL	hsl(197, 69%, 16%)
HSV	hsv(197, 82%, 28%)
CMYK	cmyk(81.7%, 22.5%, 0%, 72.2%)
CIE-LAB	lab(21.10, -7.96, -14.00)
CIE-LCH	lch(21.10, 16.10, 240.38°)
OKLab	oklab(31.65% -0.0356 -0.0393)
OKLCH	oklch(31.65% 0.053 227.8)
XYZ	xyz(2.6690, 3.2726, 6.4510)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3747 #471D0D

analogous

#0D473A #0D3747 #0D1A47

triadic

#0D3747 #470D37 #37470D

tetradic

#0D3747 #3A0D47 #471D0D #1A470D

square

#0D3747 #3A0D47 #471D0D #1A470D

split-complementary

#0D3747 #470D1A #473A0D

monochromatic

#05141A #05141A #0D3747 #165F7B #2087AE

Accessibility & contrast

On white

12.69

#0D3747 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#0D3747 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3747

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3747	#FFFFFF	#000000	##FFFFFF
##0D3747	1.00	12.69	1.65	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3648

Deuteranopia (green-blind)

#273047

Tritanopia (blue-blind)

#003C3C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #0d3747;
/* rgb */ color: rgb(13, 55, 71);
/* oklch */ color: oklch(31.6% 0.053 227.8);

Tailwind

colors: {
  custom: {
    50: '#566d7a',
    500: '#0d3747',
    950: '#000000',
  },
}

SCSS

$custom: #0d3747;
$custom-light: #566d7a;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3747",
  "rgb": {
    "r": 13,
    "g": 55,
    "b": 71
  },
  "hsl": {
    "h": 196.552,
    "s": 69.048,
    "l": 16.471
  },
  "oklch": {
    "l": 0.3165,
    "c": 0.053,
    "h": 227.8
  },
  "luminance": 0.03273
}

Semantic roles & 50–950 ramp

primary

#0D3747

secondary

#82452D

accent

#6C3CEC

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030709

muted

#787A7B

Preview Lab

Preview with #0D3747

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

Preview Lab → · Contrast checker → · Palette generator →