#66BAE6#66BAE6

#66BAE6 is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.3% C 0.103 H 233.3°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX#66BAE6
RGBrgb(102, 186, 230)
HSLhsl(201, 72%, 65%)
HSVhsv(201, 56%, 90%)
CMYKcmyk(55.7%, 19.1%, 0%, 9.8%)
CIE-LABlab(72.00, -13.17, -29.73)
CIE-LCHlch(72.00, 32.52, 246.10°)
OKLaboklab(75.3% -0.0618 -0.0829)
OKLCHoklch(75.3% 0.103 233.3)
XYZxyz(37.3160, 43.6524, 81.3068)
Luminance0.4366 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BAE6 #E69266
analogous
#66E6D2 #66BAE6 #667AE6
triadic
#66BAE6 #E666BA #BAE666
tetradic
#66BAE6 #D266E6 #E69266 #7AE666
square
#66BAE6 #D266E6 #E69266 #7AE666
split-complementary
#66BAE6 #E6667A #E6D266
monochromatic
#1D80B4 #31A2DD #66BAE6 #9BD2EF #CFE9F7

Accessibility & contrast

On white

2.16
#66BAE6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.73
#66BAE6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BAE6
9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BAE6#FFFFFF#000000##000000
##66BAE61.002.169.739.73
#FFFFFF2.161.0021.0021.00
#0000009.7321.001.001.00
##0000009.7321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B8E8
Deuteranopia (green-blind)
#93ABE5
Tritanopia (blue-blind)
#00C6C8
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #66bae6;
/* rgb */ color: rgb(102, 186, 230);
/* oklch */ color: oklch(75.3% 0.103 233.3);
Tailwind
colors: {
  custom: {
    50: '#9bceee',
    500: '#66bae6',
    950: '#000000',
  },
}
SCSS
$custom: #66bae6;
$custom-light: #9bceee;
$custom-dark: #000000;
JSON
{
  "hex": "#66bae6",
  "rgb": {
    "r": 102,
    "g": 186,
    "b": 230
  },
  "hsl": {
    "h": 200.625,
    "s": 71.91,
    "l": 65.098
  },
  "oklch": {
    "l": 0.753,
    "c": 0.10341,
    "h": 233.3
  },
  "luminance": 0.43656
}

Semantic roles & 50–950 ramp

primary
#66BAE6
secondary
#EACDBE
accent
#5412D4
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1316
muted
#7F8284

Preview Lab

Preview with #66BAE6

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

Preview Lab → · Contrast checker → · Palette generator →

#66BAE6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva