#66BAEA#66BAEA

#66BAEA is a light, moderate cyan. Relative luminance 0.439; OKLCH L 75.5% C 0.107 H 235.7°. Best body text is #000000 at 9.78:1 contrast (WCAG AA passes).

Color values

HEX#66BAEA
RGBrgb(102, 186, 234)
HSLhsl(202, 76%, 66%)
HSVhsv(202, 56%, 92%)
CMYKcmyk(56.4%, 20.5%, 0%, 8.2%)
CIE-LABlab(72.15, -11.98, -31.67)
CIE-LCHlch(72.15, 33.86, 249.28°)
OKLaboklab(75.47% -0.0604 -0.0884)
OKLCHoklch(75.47% 0.107 235.7)
XYZxyz(37.8841, 43.8797, 84.2991)
Luminance0.4388 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BAEA #EA9666
analogous
#66EAD8 #66BAEA #6678EA
triadic
#66BAEA #EA66BA #BAEA66
tetradic
#66BAEA #D866EA #EA9666 #78EA66
square
#66BAEA #D866EA #EA9666 #78EA66
split-complementary
#66BAEA #EA6678 #EAD866
monochromatic
#1A81BC #30A2E3 #66BAEA #9CD2F1 #D2EBF9

Accessibility & contrast

On white

2.15
#66BAEA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.78
#66BAEA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAEA
9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BAEA#FFFFFF#000000##000000
##66BAEA1.002.159.789.78
#FFFFFF2.151.0021.0021.00
#0000009.7821.001.001.00
##0000009.7821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B9EC
Deuteranopia (green-blind)
#91ABE9
Tritanopia (blue-blind)
#00C7CA
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #66baea;
/* rgb */ color: rgb(102, 186, 234);
/* oklch */ color: oklch(75.5% 0.107 235.7);
Tailwind
colors: {
  custom: {
    50: '#9bcef1',
    500: '#66baea',
    950: '#000000',
  },
}
SCSS
$custom: #66baea;
$custom-light: #9bcef1;
$custom-dark: #000000;
JSON
{
  "hex": "#66baea",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 234
  },
  "hsl": {
    "h": 201.818,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.75471,
    "c": 0.10711,
    "h": 235.7
  },
  "luminance": 0.43883
}

Semantic roles & 50–950 ramp

primary
#66BAEA
secondary
#ECD0C0
accent
#570DD8
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1316
muted
#7F8284

Preview Lab

Preview with #66BAEA

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

Preview Lab → · Contrast checker → · Palette generator →

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