#02303A#02303A

#02303A is a dark, muted cyan. Relative luminance 0.024; OKLCH L 28.6% C 0.049 H 216.7°. Best body text is #FFFFFF at 14.13:1 contrast (WCAG AA passes).

Color values

HEX#02303A
RGBrgb(2, 48, 58)
HSLhsl(191, 93%, 12%)
HSVhsv(191, 97%, 23%)
CMYKcmyk(96.6%, 17.2%, 0%, 77.3%)
CIE-LABlab(17.61, -10.48, -10.55)
CIE-LCHlch(17.61, 14.87, 225.20°)
OKLaboklab(28.55% -0.0397 -0.0295)
OKLCHoklch(28.55% 0.049 216.7)
XYZxyz(1.8454, 2.4321, 4.3743)
Luminance0.0243 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#02303A #3A0C02
analogous
#023A28 #02303A #02143A
triadic
#02303A #3A0230 #303A02
tetradic
#02303A #28023A #3A0C02 #143A02
square
#02303A #28023A #3A0C02 #143A02
split-complementary
#02303A #3A0214 #3A2802
monochromatic
#01181E #01181E #02303A #046175 #0692B0

Accessibility & contrast

On white

14.13
#02303A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.49
#02303A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02303A
14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##02303A#FFFFFF#000000##FFFFFF
##02303A1.0014.131.4914.13
#FFFFFF14.131.0021.001.00
#0000001.4921.001.0021.00
##FFFFFF14.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#292E3B
Deuteranopia (green-blind)
#22293A
Tritanopia (blue-blind)
#003333
Achromatopsia (no color)
#2B2B2B

Design tokens & code

CSS
--color: #02303a;
/* rgb */ color: rgb(2, 48, 58);
/* oklch */ color: oklch(28.6% 0.049 216.7);
Tailwind
colors: {
  custom: {
    50: '#4f6870',
    500: '#02303a',
    950: '#000000',
  },
}
SCSS
$custom: #02303a;
$custom-light: #4f6870;
$custom-dark: #000000;
JSON
{
  "hex": "#02303a",
  "rgb": {
    "r": 2,
    "g": 48,
    "b": 58
  },
  "hsl": {
    "h": 190.714,
    "s": 93.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.28552,
    "c": 0.04945,
    "h": 216.7
  },
  "luminance": 0.02432
}

Semantic roles & 50–950 ramp

primary
#02303A
secondary
#7D2C1A
accent
#4F29FF
background
#F4F6F6
surface
#E7EBEC
border
#C3C6C7
text
#020607
muted
#787A7A

Preview Lab

Preview with #02303A

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

Preview Lab → · Contrast checker → · Palette generator →

#02303A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva