#66D6FA#66D6FA

#66D6FA is a very light, moderate cyan. Relative luminance 0.578; OKLCH L 82.4% C 0.113 H 221.9°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX#66D6FA
RGBrgb(102, 214, 250)
HSLhsl(195, 94%, 69%)
HSVhsv(195, 59%, 98%)
CMYKcmyk(59.2%, 14.4%, 0%, 2%)
CIE-LABlab(80.64, -21.78, -27.22)
CIE-LCHlch(80.64, 34.86, 231.33°)
OKLaboklab(82.43% -0.0844 -0.0757)
OKLCHoklch(82.43% 0.113 221.9)
XYZxyz(46.7745, 57.8154, 99.1184)
Luminance0.5782 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66D6FA #FA8A66
analogous
#66FAD4 #66D6FA #668CFA
triadic
#66D6FA #FA66D6 #D6FA66
tetradic
#66D6FA #D466FA #FA8A66 #8CFA66
square
#66D6FA #D466FA #FA8A66 #8CFA66
split-complementary
#66D6FA #FA668C #FAD466
monochromatic
#07AADE #2BC6F8 #66D6FA #A1E6FC #DDF6FE

Accessibility & contrast

On white

1.67
#66D6FA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.56
#66D6FA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D6FA
12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66D6FA#FFFFFF#000000##000000
##66D6FA1.001.6712.5612.56
#FFFFFF1.671.0021.0021.00
#00000012.5621.001.001.00
##00000012.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1D1FC
Deuteranopia (green-blind)
#ABC1FA
Tritanopia (blue-blind)
#00E1E1
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #66d6fa;
/* rgb */ color: rgb(102, 214, 250);
/* oklch */ color: oklch(82.4% 0.113 221.9);
Tailwind
colors: {
  custom: {
    50: '#9ee2fc',
    500: '#66d6fa',
    950: '#000000',
  },
}
SCSS
$custom: #66d6fa;
$custom-light: #9ee2fc;
$custom-dark: #000000;
JSON
{
  "hex": "#66d6fa",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 250
  },
  "hsl": {
    "h": 194.595,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.82429,
    "c": 0.11337,
    "h": 221.9
  },
  "luminance": 0.5782
}

Semantic roles & 50–950 ramp

primary
#66D6FA
secondary
#D45830
accent
#3800E6
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#101517
muted
#808485

Preview Lab

Preview with #66D6FA

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

Preview Lab → · Contrast checker → · Palette generator →

#66D6FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva