#0D3B4D#0D3B4D

#0D3B4D is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.057 H 228.9°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX#0D3B4D
RGBrgb(13, 59, 77)
HSLhsl(197, 71%, 18%)
HSVhsv(197, 83%, 30%)
CMYKcmyk(83.1%, 23.4%, 0%, 69.8%)
CIE-LABlab(22.82, -8.13, -15.34)
CIE-LCHlch(22.82, 17.36, 242.09°)
OKLaboklab(33.12% -0.0376 -0.0431)
OKLCHoklch(33.12% 0.057 228.9)
XYZxyz(3.0690, 3.7490, 7.5816)
Luminance0.0375 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0D3B4D #4D1F0D
analogous
#0D4D3F #0D3B4D #0D1B4D
triadic
#0D3B4D #4D0D3B #3B4D0D
tetradic
#0D3B4D #3F0D4D #4D1F0D #1B4D0D
square
#0D3B4D #3F0D4D #4D1F0D #1B4D0D
split-complementary
#0D3B4D #4D0D1B #4D3F0D
monochromatic
#04141A #04141A #0D3B4D #166381 #1F8BB6

Accessibility & contrast

On white

12.00
#0D3B4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#0D3B4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3B4D
12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0D3B4D#FFFFFF#000000##FFFFFF
##0D3B4D1.0012.001.7512.00
#FFFFFF12.001.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323A4E
Deuteranopia (green-blind)
#29344D
Tritanopia (blue-blind)
#004041
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #0d3b4d;
/* rgb */ color: rgb(13, 59, 77);
/* oklch */ color: oklch(33.1% 0.057 228.9);
Tailwind
colors: {
  custom: {
    50: '#57717f',
    500: '#0d3b4d',
    950: '#000000',
  },
}
SCSS
$custom: #0d3b4d;
$custom-light: #57717f;
$custom-dark: #000000;
JSON
{
  "hex": "#0d3b4d",
  "rgb": {
    "r": 13,
    "g": 59,
    "b": 77
  },
  "hsl": {
    "h": 196.875,
    "s": 71.111,
    "l": 17.647
  },
  "oklch": {
    "l": 0.33121,
    "c": 0.05722,
    "h": 228.9
  },
  "luminance": 0.03749
}

Semantic roles & 50–950 ramp

primary
#0D3B4D
secondary
#88472E
accent
#6D3AEE
background
#F5F6F7
surface
#E9ECEE
border
#C5C7C9
text
#04070A
muted
#797A7C

Preview Lab

Preview with #0D3B4D

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

Preview Lab → · Contrast checker → · Palette generator →

#0D3B4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva