#66AEFE#66AEFE

#66AEFE is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.8% C 0.137 H 252.4°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#66AEFE
RGBrgb(102, 174, 254)
HSLhsl(212, 99%, 70%)
HSVhsv(212, 60%, 100%)
CMYKcmyk(59.8%, 31.5%, 0%, 0.4%)
CIE-LABlab(69.65, 0.78, -46.41)
CIE-LCHlch(69.65, 46.41, 270.96°)
OKLaboklab(73.77% -0.0416 -0.131)
OKLCHoklch(73.77% 0.137 252.4)
XYZxyz(38.4985, 40.2491, 99.4867)
Luminance0.4025 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66AEFE #FEB666
analogous
#66FAFE #66AEFE #6A66FE
triadic
#66AEFE #FE66AE #AEFE66
tetradic
#66AEFE #FE66FA #FEB666 #66FE6A
square
#66AEFE #FE66FA #FEB666 #66FE6A
split-complementary
#66AEFE #FE6A66 #FAFE66
monochromatic
#026FE8 #298EFE #66AEFE #A3CEFE #E0EEFF

Accessibility & contrast

On white

2.32
#66AEFE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.05
#66AEFE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEFE
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66AEFE#FFFFFF#000000##000000
##66AEFE1.002.329.059.05
#FFFFFF2.321.0021.0021.00
#0000009.0521.001.001.00
##0000009.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CB2FF
Deuteranopia (green-blind)
#78A4FC
Tritanopia (blue-blind)
#00C0CB
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #66aefe;
/* rgb */ color: rgb(102, 174, 254);
/* oklch */ color: oklch(73.8% 0.137 252.4);
Tailwind
colors: {
  custom: {
    50: '#9dc5ff',
    500: '#66aefe',
    950: '#000000',
  },
}
SCSS
$custom: #66aefe;
$custom-light: #9dc5ff;
$custom-dark: #000000;
JSON
{
  "hex": "#66aefe",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 254
  },
  "hsl": {
    "h": 211.579,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.73774,
    "c": 0.13749,
    "h": 252.4
  },
  "luminance": 0.40253
}

Semantic roles & 50–950 ramp

primary
#66AEFE
secondary
#F5E1CA
accent
#7900E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1218
muted
#7F8186

Preview Lab

Preview with #66AEFE

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

Preview Lab → · Contrast checker → · Palette generator →

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