#0D3B4B#0D3B4B

#0D3B4B is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.055 H 225.9°. Best body text is #FFFFFF at 12.04:1 contrast (WCAG AA passes).

Color values

HEX	#0D3B4B
RGB	rgb(13, 59, 75)
HSL	hsl(195, 70%, 17%)
HSV	hsv(195, 83%, 29%)
CMYK	cmyk(82.7%, 21.3%, 0%, 70.6%)
CIE-LAB	lab(22.73, -8.92, -14.16)
CIE-LCH	lch(22.73, 16.74, 237.79°)
OKLab	oklab(33.01% -0.0385 -0.0397)
OKLCH	oklch(33.01% 0.055 225.9)
XYZ	xyz(2.9994, 3.7211, 7.2154)
Luminance	0.0372 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3B4B #4B1D0D

analogous

#0D4B3C #0D3B4B #0D1C4B

triadic

#0D3B4B #4B0D3B #3B4B0D

tetradic

#0D3B4B #3C0D4B #4B1D0D #1C4B0D

square

#0D3B4B #3C0D4B #4B1D0D #1C4B0D

split-complementary

#0D3B4B #4B0D1C #4B3C0D

monochromatic

#05151A #05151A #0D3B4B #16647F #1F8DB3

Accessibility & contrast

On white

12.04

#0D3B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#0D3B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3B4B

12.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3B4B	#FFFFFF	#000000	##FFFFFF
##0D3B4B	1.00	12.04	1.74	12.04
#FFFFFF	12.04	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4C

Deuteranopia (green-blind)

#2A344B

Tritanopia (blue-blind)

#004040

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0d3b4b;
/* rgb */ color: rgb(13, 59, 75);
/* oklch */ color: oklch(33.0% 0.055 225.9);

Tailwind

colors: {
  custom: {
    50: '#57717d',
    500: '#0d3b4b',
    950: '#000000',
  },
}

SCSS

$custom: #0d3b4b;
$custom-light: #57717d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3b4b",
  "rgb": {
    "r": 13,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 195.484,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33013,
    "c": 0.05532,
    "h": 225.9
  },
  "luminance": 0.03721
}

Semantic roles & 50–950 ramp

primary

#0D3B4B

secondary

#86442E

accent

#693BED

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#030709

muted

#787A7B

Preview Lab

Preview with #0D3B4B

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

Preview Lab → · Contrast checker → · Palette generator →