#66CFF0#66CFF0

#66CFF0 is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.5% C 0.107 H 221.2°. Best body text is #000000 at 11.75:1 contrast (WCAG AA passes).

Color values

HEX#66CFF0
RGBrgb(102, 207, 240)
HSLhsl(194, 82%, 67%)
HSVhsv(194, 58%, 94%)
CMYKcmyk(57.5%, 13.7%, 0%, 5.9%)
CIE-LABlab(78.31, -21.14, -25.44)
CIE-LCHlch(78.31, 33.08, 230.28°)
OKLaboklab(80.45% -0.0807 -0.0707)
OKLCHoklch(80.45% 0.107 221.2)
XYZxyz(43.5143, 53.7375, 90.5004)
Luminance0.5374 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CFF0 #F08766
analogous
#66F0CC #66CFF0 #668AF0
triadic
#66CFF0 #F066CF #CFF066
tetradic
#66CFF0 #CC66F0 #F08766 #8AF066
square
#66CFF0 #CC66F0 #F08766 #8AF066
split-complementary
#66CFF0 #F0668A #F0CC66
monochromatic
#149DC8 #2EBEEB #66CFF0 #9EE0F5 #D5F2FB

Accessibility & contrast

On white

1.79
#66CFF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.75
#66CFF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CFF0
11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CFF0#FFFFFF#000000##000000
##66CFF01.001.7911.7511.75
#FFFFFF1.791.0021.0021.00
#00000011.7521.001.001.00
##00000011.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BBCAF2
Deuteranopia (green-blind)
#A7BBF0
Tritanopia (blue-blind)
#00DAD9
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #66cff0;
/* rgb */ color: rgb(102, 207, 240);
/* oklch */ color: oklch(80.5% 0.107 221.2);
Tailwind
colors: {
  custom: {
    50: '#9dddf5',
    500: '#66cff0',
    950: '#000000',
  },
}
SCSS
$custom: #66cff0;
$custom-light: #9dddf5;
$custom-dark: #000000;
JSON
{
  "hex": "#66cff0",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 240
  },
  "hsl": {
    "h": 194.348,
    "s": 82.143,
    "l": 67.059
  },
  "oklch": {
    "l": 0.80452,
    "c": 0.10733,
    "h": 221.2
  },
  "luminance": 0.53742
}

Semantic roles & 50–950 ramp

primary
#66CFF0
secondary
#C55835
accent
#3B07DF
background
#FCFEFF
surface
#F6FCFE
border
#D0D5D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #66CFF0

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

Preview Lab → · Contrast checker → · Palette generator →

#66CFF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva