#66DBFE#66DBFE

#66DBFE is a very light, moderate cyan. Relative luminance 0.606; OKLCH L 83.7% C 0.116 H 220.4°. Best body text is #000000 at 13.13:1 contrast (WCAG AA passes).

Color values

HEX#66DBFE
RGBrgb(102, 219, 254)
HSLhsl(194, 99%, 70%)
HSVhsv(194, 60%, 100%)
CMYKcmyk(59.8%, 13.8%, 0%, 0.4%)
CIE-LABlab(82.18, -23.13, -26.98)
CIE-LCHlch(82.18, 35.53, 229.39°)
OKLaboklab(83.71% -0.088 -0.075)
OKLCHoklch(83.71% 0.116 220.4)
XYZxyz(48.6933, 60.6387, 102.8850)
Luminance0.6064 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DBFE #FE8966
analogous
#66FED5 #66DBFE #668FFE
triadic
#66DBFE #FE66DB #DBFE66
tetradic
#66DBFE #D566FE #FE8966 #8FFE66
square
#66DBFE #D566FE #FE8966 #8FFE66
split-complementary
#66DBFE #FE668F #FED566
monochromatic
#02B3E8 #29CDFE #66DBFE #A3E9FE #E0F8FF

Accessibility & contrast

On white

1.60
#66DBFE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.13
#66DBFE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBFE
13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DBFE#FFFFFF#000000##000000
##66DBFE1.001.6013.1313.13
#FFFFFF1.601.0021.0021.00
#00000013.1321.001.001.00
##00000013.1321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C6D6FF
Deuteranopia (green-blind)
#B0C5FE
Tritanopia (blue-blind)
#00E7E6
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #66dbfe;
/* rgb */ color: rgb(102, 219, 254);
/* oklch */ color: oklch(83.7% 0.116 220.4);
Tailwind
colors: {
  custom: {
    50: '#9fe6fe',
    500: '#66dbfe',
    950: '#000000',
  },
}
SCSS
$custom: #66dbfe;
$custom-light: #9fe6fe;
$custom-dark: #000000;
JSON
{
  "hex": "#66dbfe",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 254
  },
  "hsl": {
    "h": 193.816,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.83714,
    "c": 0.11568,
    "h": 220.4
  },
  "luminance": 0.60644
}

Semantic roles & 50–950 ramp

primary
#66DBFE
secondary
#D9562F
accent
#3500E6
background
#FDFEFF
surface
#F7FCFF
border
#D0D5D7
text
#101618
muted
#818486

Preview Lab

Preview with #66DBFE

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

Preview Lab → · Contrast checker → · Palette generator →

#66DBFE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva