#0A3047#0A3047

#0A3047 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.059 H 240.2°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX#0A3047
RGBrgb(10, 48, 71)
HSLhsl(203, 75%, 16%)
HSVhsv(203, 86%, 28%)
CMYKcmyk(85.9%, 32.4%, 0%, 72.2%)
CIE-LABlab(18.51, -3.73, -18.04)
CIE-LCHlch(18.51, 18.42, 258.31°)
OKLaboklab(29.56% -0.0292 -0.051)
OKLCHoklch(29.56% 0.059 240.2)
XYZxyz(2.3190, 2.6331, 6.3460)
Luminance0.0263 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A3047 #47210A
analogous
#0A473F #0A3047 #0A1147
triadic
#0A3047 #470A30 #30470A
tetradic
#0A3047 #3F0A47 #47210A #11470A
square
#0A3047 #3F0A47 #47210A #11470A
split-complementary
#0A3047 #470A11 #473F0A
monochromatic
#04121B #04121B #0A3047 #12547D #1979B2

Accessibility & contrast

On white

13.76
#0A3047 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.53
#0A3047 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3047
13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A3047#FFFFFF#000000##FFFFFF
##0A30471.0013.761.5313.76
#FFFFFF13.761.0021.001.00
#0000001.5321.001.0021.00
##FFFFFF13.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#253048
Deuteranopia (green-blind)
#1D2B47
Tritanopia (blue-blind)
#003638
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #0a3047;
/* rgb */ color: rgb(10, 48, 71);
/* oklch */ color: oklch(29.6% 0.059 240.2);
Tailwind
colors: {
  custom: {
    50: '#54687a',
    500: '#0a3047',
    950: '#000000',
  },
}
SCSS
$custom: #0a3047;
$custom-light: #54687a;
$custom-dark: #000000;
JSON
{
  "hex": "#0a3047",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 71
  },
  "hsl": {
    "h": 202.623,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.2956,
    "c": 0.05883,
    "h": 240.2
  },
  "luminance": 0.02633
}

Semantic roles & 50–950 ramp

primary
#0A3047
secondary
#844B29
accent
#7D36F2
background
#F5F6F7
surface
#E9EBED
border
#C5C6C8
text
#030609
muted
#787A7B

Preview Lab

Preview with #0A3047

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

Preview Lab → · Contrast checker → · Palette generator →

#0A3047 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva