#0D3F4C#0D3F4C

#0D3F4C is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.2% C 0.055 H 219.4°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#0D3F4C
RGB	rgb(13, 63, 76)
HSL	hsl(192, 71%, 17%)
HSV	hsv(192, 83%, 30%)
CMYK	cmyk(82.9%, 17.1%, 0%, 70.2%)
CIE-LAB	lab(24.20, -11.03, -12.56)
CIE-LCH	lch(24.20, 16.72, 228.70°)
OKLab	oklab(34.21% -0.0427 -0.0351)
OKLCH	oklch(34.21% 0.055 219.4)
XYZ	xyz(3.2474, 4.1620, 7.4683)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3F4C #4C1A0D

analogous

#0D4C3A #0D3F4C #0D1F4C

triadic

#0D3F4C #4C0D3F #3F4C0D

tetradic

#0D3F4C #3A0D4C #4C1A0D #1F4C0D

square

#0D3F4C #3A0D4C #4C1A0D #1F4C0D

split-complementary

#0D3F4C #4C0D1F #4C3A0D

monochromatic

#04161A #04161A #0D3F4C #166A80 #1F96B5

Accessibility & contrast

On white

11.46

#0D3F4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0D3F4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F4C

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3F4C	#FFFFFF	#000000	##FFFFFF
##0D3F4C	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4D

Deuteranopia (green-blind)

#2E374C

Tritanopia (blue-blind)

#004343

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0d3f4c;
/* rgb */ color: rgb(13, 63, 76);
/* oklch */ color: oklch(34.2% 0.055 219.4);

Tailwind

colors: {
  custom: {
    50: '#57747e',
    500: '#0d3f4c',
    950: '#000000',
  },
}

SCSS

$custom: #0d3f4c;
$custom-light: #57747e;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3f4c",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 76
  },
  "hsl": {
    "h": 192.381,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.34209,
    "c": 0.05526,
    "h": 219.4
  },
  "luminance": 0.04162
}

Semantic roles & 50–950 ramp

primary

#0D3F4C

secondary

#87402E

accent

#5F3AEE

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0D3F4C

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

Preview Lab → · Contrast checker → · Palette generator →