#0A3447#0A3447

#0A3447 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.056 H 232.8°. Best body text is #FFFFFF at 13.17:1 contrast (WCAG AA passes).

Color values

HEX#0A3447
RGBrgb(10, 52, 71)
HSLhsl(199, 75%, 16%)
HSVhsv(199, 86%, 28%)
CMYKcmyk(85.9%, 26.8%, 0%, 72.2%)
CIE-LABlab(19.94, -6.43, -15.80)
CIE-LCHlch(19.94, 17.06, 247.85°)
OKLaboklab(30.7% -0.0338 -0.0445)
OKLCHoklch(30.7% 0.056 232.8)
XYZxyz(2.4900, 2.9751, 6.4030)
Luminance0.0297 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A3447 #471D0A
analogous
#0A473B #0A3447 #0A1547
triadic
#0A3447 #470A34 #34470A
tetradic
#0A3447 #3B0A47 #471D0A #15470A
square
#0A3447 #3B0A47 #471D0A #15470A
split-complementary
#0A3447 #470A15 #473B0A
monochromatic
#04141B #04141B #0A3447 #125B7D #1983B2

Accessibility & contrast

On white

13.17
#0A3447 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#0A3447 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3447
13.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A3447#FFFFFF#000000##FFFFFF
##0A34471.0013.171.6013.17
#FFFFFF13.171.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2B3348
Deuteranopia (green-blind)
#222E47
Tritanopia (blue-blind)
#00393A
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #0a3447;
/* rgb */ color: rgb(10, 52, 71);
/* oklch */ color: oklch(30.7% 0.056 232.8);
Tailwind
colors: {
  custom: {
    50: '#546b7a',
    500: '#0a3447',
    950: '#000000',
  },
}
SCSS
$custom: #0a3447;
$custom-light: #546b7a;
$custom-dark: #000000;
JSON
{
  "hex": "#0a3447",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 71
  },
  "hsl": {
    "h": 198.689,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.307,
    "c": 0.05587,
    "h": 232.8
  },
  "luminance": 0.02975
}

Semantic roles & 50–950 ramp

primary
#0A3447
secondary
#844529
accent
#7036F2
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030609
muted
#787A7B

Preview Lab

Preview with #0A3447

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

Preview Lab → · Contrast checker → · Palette generator →

#0A3447 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva