#0D3E4B#0D3E4B

#0D3E4B is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.9% C 0.055 H 219.8°. Best body text is #FFFFFF at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#0D3E4B
RGB	rgb(13, 62, 75)
HSL	hsl(193, 70%, 17%)
HSV	hsv(193, 83%, 29%)
CMYK	cmyk(82.7%, 17.3%, 0%, 70.6%)
CIE-LAB	lab(23.80, -10.80, -12.51)
CIE-LCH	lch(23.80, 16.53, 229.20°)
OKLab	oklab(33.87% -0.042 -0.035)
OKLCH	oklch(33.87% 0.055 219.8)
XYZ	xyz(3.1581, 4.0384, 7.2683)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3E4B #4B1A0D

analogous

#0D4B39 #0D3E4B #0D1F4B

triadic

#0D3E4B #4B0D3E #3E4B0D

tetradic

#0D3E4B #390D4B #4B1A0D #1F4B0D

square

#0D3E4B #390D4B #4B1A0D #1F4B0D

split-complementary

#0D3E4B #4B0D1F #4B390D

monochromatic

#05161A #05161A #0D3E4B #16697F #1F94B3

Accessibility & contrast

On white

11.62

#0D3E4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0D3E4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3E4B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3E4B	#FFFFFF	#000000	##FFFFFF
##0D3E4B	1.00	11.62	1.81	11.62
#FFFFFF	11.62	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363C4C

Deuteranopia (green-blind)

#2E364B

Tritanopia (blue-blind)

#004242

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0d3e4b;
/* rgb */ color: rgb(13, 62, 75);
/* oklch */ color: oklch(33.9% 0.055 219.8);

Tailwind

colors: {
  custom: {
    50: '#57737d',
    500: '#0d3e4b',
    950: '#000000',
  },
}

SCSS

$custom: #0d3e4b;
$custom-light: #57737d;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3e4b",
  "rgb": {
    "r": 13,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 192.581,
    "s": 70.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.33872,
    "c": 0.05465,
    "h": 219.8
  },
  "luminance": 0.04039
}

Semantic roles & 50–950 ramp

primary

#0D3E4B

secondary

#86402E

accent

#603BED

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0D3E4B

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

Preview Lab → · Contrast checker → · Palette generator →