#0A303C#0A303C

#0A303C is a dark, muted cyan. Relative luminance 0.025; OKLCH L 28.9% C 0.047 H 223.2°. Best body text is #FFFFFF at 13.99:1 contrast (WCAG AA passes).

Color values

HEX#0A303C
RGBrgb(10, 48, 60)
HSLhsl(194, 71%, 14%)
HSVhsv(194, 83%, 24%)
CMYKcmyk(83.3%, 20%, 0%, 76.5%)
CIE-LABlab(17.94, -8.31, -11.40)
CIE-LCHlch(17.94, 14.11, 233.93°)
OKLaboklab(28.92% -0.0339 -0.0319)
OKLCHoklch(28.92% 0.047 223.2)
XYZxyz(1.9974, 2.5044, 4.6522)
Luminance0.0250 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A303C #3C160A
analogous
#0A3C2F #0A303C #0A173C
triadic
#0A303C #3C0A30 #303C0A
tetradic
#0A303C #2F0A3C #3C160A #173C0A
square
#0A303C #2F0A3C #3C160A #173C0A
split-complementary
#0A303C #3C0A17 #3C2F0A
monochromatic
#04151A #04151A #0A303C #135A70 #1B84A5

Accessibility & contrast

On white

13.99
#0A303C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.50
#0A303C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A303C
13.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A303C#FFFFFF#000000##FFFFFF
##0A303C1.0013.991.5013.99
#FFFFFF13.991.0021.001.00
#0000001.5021.001.0021.00
##FFFFFF13.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#292F3D
Deuteranopia (green-blind)
#222A3C
Tritanopia (blue-blind)
#003434
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #0a303c;
/* rgb */ color: rgb(10, 48, 60);
/* oklch */ color: oklch(28.9% 0.047 223.2);
Tailwind
colors: {
  custom: {
    50: '#526871',
    500: '#0a303c',
    950: '#000000',
  },
}
SCSS
$custom: #0a303c;
$custom-light: #526871;
$custom-dark: #000000;
JSON
{
  "hex": "#0a303c",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 194.4,
    "s": 71.429,
    "l": 13.725
  },
  "oklch": {
    "l": 0.28916,
    "c": 0.04658,
    "h": 223.2
  },
  "luminance": 0.02505
}

Semantic roles & 50–950 ramp

primary
#0A303C
secondary
#793C28
accent
#653AEE
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A

Preview Lab

Preview with #0A303C

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

Preview Lab → · Contrast checker → · Palette generator →

#0A303C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva