#0D3F4A#0D3F4A

#0D3F4A is a dark, muted cyan. Relative luminance 0.041; OKLCH L 34.1% C 0.054 H 216.0°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#0D3F4A
RGB	rgb(13, 63, 74)
HSL	hsl(191, 70%, 17%)
HSV	hsv(191, 82%, 29%)
CMYK	cmyk(82.4%, 14.9%, 0%, 71%)
CIE-LAB	lab(24.11, -11.80, -11.37)
CIE-LCH	lch(24.11, 16.39, 223.95°)
OKLab	oklab(34.11% -0.0436 -0.0317)
OKLCH	oklch(34.11% 0.054 216)
XYZ	xyz(3.1790, 4.1346, 7.1078)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3F4A #4A180D

analogous

#0D4A37 #0D3F4A #0D204A

triadic

#0D3F4A #4A0D3F #3F4A0D

tetradic

#0D3F4A #370D4A #4A180D #204A0D

square

#0D3F4A #370D4A #4A180D #204A0D

split-complementary

#0D3F4A #4A0D20 #4A370D

monochromatic

#05161A #05161A #0D3F4A #166B7E #1F98B2

Accessibility & contrast

On white

11.49

#0D3F4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0D3F4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F4A

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3F4A	#FFFFFF	#000000	##FFFFFF
##0D3F4A	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383D4B

Deuteranopia (green-blind)

#2F374A

Tritanopia (blue-blind)

#004342

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0d3f4a;
/* rgb */ color: rgb(13, 63, 74);
/* oklch */ color: oklch(34.1% 0.054 216.0);

Tailwind

colors: {
  custom: {
    50: '#57747c',
    500: '#0d3f4a',
    950: '#000000',
  },
}

SCSS

$custom: #0d3f4a;
$custom-light: #57747c;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3f4a",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 74
  },
  "hsl": {
    "h": 190.82,
    "s": 70.115,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34109,
    "c": 0.05394,
    "h": 216
  },
  "luminance": 0.04135
}

Semantic roles & 50–950 ramp

primary

#0D3F4A

secondary

#853D2E

accent

#5B3BED

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #0D3F4A

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

Preview Lab → · Contrast checker → · Palette generator →