#66DBEE#66DBEE

#66DBEE is a very light, moderate teal. Relative luminance 0.597; OKLCH L 83.1% C 0.108 H 209.6°. Best body text is #000000 at 12.93:1 contrast (WCAG AA passes).

Color values

HEX#66DBEE
RGBrgb(102, 219, 238)
HSLhsl(188, 80%, 67%)
HSVhsv(188, 57%, 93%)
CMYKcmyk(57.1%, 8%, 0%, 6.7%)
CIE-LABlab(81.65, -27.67, -19.30)
CIE-LCHlch(81.65, 33.74, 214.89°)
OKLaboklab(83.11% -0.0941 -0.0534)
OKLCHoklch(83.11% 0.108 209.6)
XYZxyz(46.2373, 59.6563, 89.9505)
Luminance0.5966 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DBEE #EE7966
analogous
#66EEBD #66DBEE #6697EE
triadic
#66DBEE #EE66DB #DBEE66
tetradic
#66DBEE #BD66EE #EE7966 #97EE66
square
#66DBEE #BD66EE #EE7966 #97EE66
split-complementary
#66DBEE #EE6697 #EEBD66
monochromatic
#16ACC4 #2FCEE8 #66DBEE #9DE8F4 #D4F5FA

Accessibility & contrast

On white

1.62
#66DBEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.93
#66DBEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBEE
12.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DBEE#FFFFFF#000000##000000
##66DBEE1.001.6212.9312.93
#FFFFFF1.621.0021.0021.00
#00000012.9321.001.001.00
##00000012.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CAD4EF
Deuteranopia (green-blind)
#B5C4EE
Tritanopia (blue-blind)
#00E4E1
Achromatopsia (no color)
#CBCBCB

Design tokens & code

CSS
--color: #66dbee;
/* rgb */ color: rgb(102, 219, 238);
/* oklch */ color: oklch(83.1% 0.108 209.6);
Tailwind
colors: {
  custom: {
    50: '#9de6f3',
    500: '#66dbee',
    950: '#000000',
  },
}
SCSS
$custom: #66dbee;
$custom-light: #9de6f3;
$custom-dark: #000000;
JSON
{
  "hex": "#66dbee",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 238
  },
  "hsl": {
    "h": 188.382,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.8311,
    "c": 0.10825,
    "h": 209.6
  },
  "luminance": 0.59661
}

Semantic roles & 50–950 ramp

primary
#66DBEE
secondary
#C24A37
accent
#2709DC
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1617
muted
#808485

Preview Lab

Preview with #66DBEE

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

Preview Lab → · Contrast checker → · Palette generator →

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