#66C2F2#66C2F2

#66C2F2 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.6% C 0.111 H 233.5°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX#66C2F2
RGBrgb(102, 194, 242)
HSLhsl(201, 84%, 67%)
HSVhsv(201, 58%, 95%)
CMYKcmyk(57.9%, 19.8%, 0%, 5.1%)
CIE-LABlab(74.71, -13.83, -32.04)
CIE-LCHlch(74.71, 34.90, 246.65°)
OKLaboklab(77.61% -0.0663 -0.0895)
OKLCHoklch(77.61% 0.111 233.5)
XYZxyz(40.7922, 47.8153, 91.0667)
Luminance0.4782 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66C2F2 #F29666
analogous
#66F2DC #66C2F2 #667CF2
triadic
#66C2F2 #F266C2 #C2F266
tetradic
#66C2F2 #DC66F2 #F29666 #7CF266
square
#66C2F2 #DC66F2 #F29666 #7CF266
split-complementary
#66C2F2 #F2667C #F2DC66
monochromatic
#118CCC #2EACED #66C2F2 #9ED8F7 #D7EFFC

Accessibility & contrast

On white

1.99
#66C2F2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.56
#66C2F2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2F2
10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66C2F2#FFFFFF#000000##000000
##66C2F21.001.9910.5610.56
#FFFFFF1.991.0021.0021.00
#00000010.5621.001.001.00
##00000010.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABC0F4
Deuteranopia (green-blind)
#97B1F1
Tritanopia (blue-blind)
#00CFD2
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #66c2f2;
/* rgb */ color: rgb(102, 194, 242);
/* oklch */ color: oklch(77.6% 0.111 233.5);
Tailwind
colors: {
  custom: {
    50: '#9cd4f6',
    500: '#66c2f2',
    950: '#000000',
  },
}
SCSS
$custom: #66c2f2;
$custom-light: #9cd4f6;
$custom-dark: #000000;
JSON
{
  "hex": "#66c2f2",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 242
  },
  "hsl": {
    "h": 200.571,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.77606,
    "c": 0.11136,
    "h": 233.5
  },
  "luminance": 0.47819
}

Semantic roles & 50–950 ramp

primary
#66C2F2
secondary
#F0D3C4
accent
#5005E1
background
#FAFDFF
surface
#F4FAFE
border
#CED3D6
text
#0F1417
muted
#7F8385

Preview Lab

Preview with #66C2F2

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

Preview Lab → · Contrast checker → · Palette generator →

#66C2F2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva