#0D3F4D#0D3F4D

#0D3F4D is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.3% C 0.056 H 221.1°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX#0D3F4D
RGBrgb(13, 63, 77)
HSLhsl(193, 71%, 18%)
HSVhsv(193, 83%, 30%)
CMYKcmyk(83.1%, 18.2%, 0%, 69.8%)
CIE-LABlab(24.25, -10.64, -13.15)
CIE-LCHlch(24.25, 16.92, 231.01°)
OKLaboklab(34.26% -0.0422 -0.0368)
OKLCHoklch(34.26% 0.056 221.1)
XYZxyz(3.2825, 4.1760, 7.6528)
Luminance0.0418 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0D3F4D #4D1B0D
analogous
#0D4D3B #0D3F4D #0D1F4D
triadic
#0D3F4D #4D0D3F #3F4D0D
tetradic
#0D3F4D #3B0D4D #4D1B0D #1F4D0D
square
#0D3F4D #3B0D4D #4D1B0D #1F4D0D
split-complementary
#0D3F4D #4D0D1F #4D3B0D
monochromatic
#04151A #04151A #0D3F4D #166A81 #1F95B6

Accessibility & contrast

On white

11.44
#0D3F4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.84
#0D3F4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3F4D
11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0D3F4D#FFFFFF#000000##FFFFFF
##0D3F4D1.0011.441.8411.44
#FFFFFF11.441.0021.001.00
#0000001.8421.001.0021.00
##FFFFFF11.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#373D4E
Deuteranopia (green-blind)
#2E374D
Tritanopia (blue-blind)
#004343
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #0d3f4d;
/* rgb */ color: rgb(13, 63, 77);
/* oklch */ color: oklch(34.3% 0.056 221.1);
Tailwind
colors: {
  custom: {
    50: '#58747e',
    500: '#0d3f4d',
    950: '#000000',
  },
}
SCSS
$custom: #0d3f4d;
$custom-light: #58747e;
$custom-dark: #000000;
JSON
{
  "hex": "#0d3f4d",
  "rgb": {
    "r": 13,
    "g": 63,
    "b": 77
  },
  "hsl": {
    "h": 193.125,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.3426,
    "c": 0.056,
    "h": 221.1
  },
  "luminance": 0.04176
}

Semantic roles & 50–950 ramp

primary
#0D3F4D
secondary
#88412E
accent
#613AEE
background
#F5F7F7
surface
#E9EDEE
border
#C5C8C9
text
#04080A
muted
#797B7C

Preview Lab

Preview with #0D3F4D

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

Preview Lab → · Contrast checker → · Palette generator →

#0D3F4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva