#66DBF5#66DBF5

#66DBF5 is a very light, moderate cyan. Relative luminance 0.601; OKLCH L 83.4% C 0.111 H 214.5°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX#66DBF5
RGBrgb(102, 219, 245)
HSLhsl(191, 88%, 68%)
HSVhsv(191, 58%, 96%)
CMYKcmyk(58.4%, 10.6%, 0%, 3.9%)
CIE-LABlab(81.88, -25.71, -22.67)
CIE-LCHlch(81.88, 34.27, 221.41°)
OKLaboklab(83.37% -0.0914 -0.0629)
OKLCHoklch(83.37% 0.111 214.5)
XYZxyz(47.2858, 60.0757, 95.4723)
Luminance0.6008 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66DBF5 #F58066
analogous
#66F5C7 #66DBF5 #6693F5
triadic
#66DBF5 #F566DB #DBF566
tetradic
#66DBF5 #C766F5 #F58066 #93F566
square
#66DBF5 #C766F5 #F58066 #93F566
split-complementary
#66DBF5 #F56693 #F5C766
monochromatic
#0EAFD3 #2DCDF1 #66DBF5 #9FE9F9 #D9F6FD

Accessibility & contrast

On white

1.61
#66DBF5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.02
#66DBF5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBF5
13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66DBF5#FFFFFF#000000##000000
##66DBF51.001.6113.0213.02
#FFFFFF1.611.0021.0021.00
#00000013.0221.001.001.00
##00000013.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#C8D5F7
Deuteranopia (green-blind)
#B3C5F5
Tritanopia (blue-blind)
#00E5E3
Achromatopsia (no color)
#CCCCCC

Design tokens & code

CSS
--color: #66dbf5;
/* rgb */ color: rgb(102, 219, 245);
/* oklch */ color: oklch(83.4% 0.111 214.5);
Tailwind
colors: {
  custom: {
    50: '#9ee6f8',
    500: '#66dbf5',
    950: '#000000',
  },
}
SCSS
$custom: #66dbf5;
$custom-light: #9ee6f8;
$custom-dark: #000000;
JSON
{
  "hex": "#66dbf5",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 245
  },
  "hsl": {
    "h": 190.909,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.83369,
    "c": 0.11097,
    "h": 214.5
  },
  "luminance": 0.6008
}

Semantic roles & 50–950 ramp

primary
#66DBF5
secondary
#CE4E31
accent
#2A01E4
background
#FCFEFF
surface
#F6FCFF
border
#D0D5D7
text
#101617
muted
#808485

Preview Lab

Preview with #66DBF5

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

Preview Lab → · Contrast checker → · Palette generator →

#66DBF5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva