#0D303E#0D303E

#0D303E is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.047 H 228.3°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX#0D303E
RGBrgb(13, 48, 62)
HSLhsl(197, 65%, 15%)
HSVhsv(197, 79%, 24%)
CMYKcmyk(79%, 22.6%, 0%, 75.7%)
CIE-LABlab(18.13, -6.99, -12.48)
CIE-LCHlch(18.13, 14.30, 240.76°)
OKLaboklab(29.13% -0.0311 -0.0349)
OKLCHoklch(29.13% 0.047 228.3)
XYZxyz(2.0921, 2.5470, 4.9379)
Luminance0.0255 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0D303E #3E1B0D
analogous
#0D3E34 #0D303E #0D183E
triadic
#0D303E #3E0D30 #303E0D
tetradic
#0D303E #340D3E #3E1B0D #183E0D
square
#0D303E #340D3E #3E1B0D #183E0D
split-complementary
#0D303E #3E0D18 #3E340D
monochromatic
#051419 #051419 #0D303E #185771 #227EA3

Accessibility & contrast

On white

13.91
#0D303E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.51
#0D303E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D303E
13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0D303E#FFFFFF#000000##FFFFFF
##0D303E1.0013.911.5113.91
#FFFFFF13.911.0021.001.00
#0000001.5121.001.0021.00
##FFFFFF13.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#292F3F
Deuteranopia (green-blind)
#222A3E
Tritanopia (blue-blind)
#003435
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #0d303e;
/* rgb */ color: rgb(13, 48, 62);
/* oklch */ color: oklch(29.1% 0.047 228.3);
Tailwind
colors: {
  custom: {
    50: '#536873',
    500: '#0d303e',
    950: '#000000',
  },
}
SCSS
$custom: #0d303e;
$custom-light: #536873;
$custom-dark: #000000;
JSON
{
  "hex": "#0d303e",
  "rgb": {
    "r": 13,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 197.143,
    "s": 65.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.29128,
    "c": 0.04682,
    "h": 228.3
  },
  "luminance": 0.02547
}

Semantic roles & 50–950 ramp

primary
#0D303E
secondary
#7A432D
accent
#7040E8
background
#F5F6F6
surface
#E8EBEC
border
#C4C6C7
text
#030608
muted
#787A7B

Preview Lab

Preview with #0D303E

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

Preview Lab → · Contrast checker → · Palette generator →

#0D303E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva