#0A304A#0A304A

#0A304A is a dark, moderate cyan. Relative luminance 0.027; OKLCH L 29.8% C 0.063 H 243.4°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX#0A304A
RGBrgb(10, 48, 74)
HSLhsl(204, 76%, 16%)
HSVhsv(204, 86%, 29%)
CMYKcmyk(86.5%, 35.1%, 0%, 71%)
CIE-LABlab(18.68, -2.44, -19.81)
CIE-LCHlch(18.68, 19.96, 262.97°)
OKLaboklab(29.75% -0.0281 -0.0562)
OKLCHoklch(29.75% 0.063 243.4)
XYZxyz(2.4177, 2.6726, 6.8657)
Luminance0.0267 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#0A304A #4A240A
analogous
#0A4A44 #0A304A #0A104A
triadic
#0A304A #4A0A30 #304A0A
tetradic
#0A304A #440A4A #4A240A #104A0A
square
#0A304A #440A4A #4A240A #104A0A
split-complementary
#0A304A #4A0A10 #4A440A
monochromatic
#04111B #04111B #0A304A #115380 #1976B6

Accessibility & contrast

On white

13.68
#0A304A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.53
#0A304A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A304A
13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##0A304A#FFFFFF#000000##FFFFFF
##0A304A1.0013.681.5313.68
#FFFFFF13.681.0021.001.00
#0000001.5321.001.0021.00
##FFFFFF13.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#24314B
Deuteranopia (green-blind)
#1B2B4A
Tritanopia (blue-blind)
#003639
Achromatopsia (no color)
#2D2D2D

Design tokens & code

CSS
--color: #0a304a;
/* rgb */ color: rgb(10, 48, 74);
/* oklch */ color: oklch(29.8% 0.063 243.4);
Tailwind
colors: {
  custom: {
    50: '#55687c',
    500: '#0a304a',
    950: '#000000',
  },
}
SCSS
$custom: #0a304a;
$custom-light: #55687c;
$custom-dark: #000000;
JSON
{
  "hex": "#0a304a",
  "rgb": {
    "r": 10,
    "g": 48,
    "b": 74
  },
  "hsl": {
    "h": 204.375,
    "s": 76.19,
    "l": 16.471
  },
  "oklch": {
    "l": 0.29752,
    "c": 0.06284,
    "h": 243.4
  },
  "luminance": 0.02673
}

Semantic roles & 50–950 ramp

primary
#0A304A
secondary
#874F29
accent
#8235F3
background
#F5F6F7
surface
#E9EBEE
border
#C5C6C9
text
#030609
muted
#787A7B

Preview Lab

Preview with #0A304A

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

Preview Lab → · Contrast checker → · Palette generator →

#0A304A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva