#66CBFD#66CBFD

#66CBFD is a light, moderate cyan. Relative luminance 0.526; OKLCH L 80.1% C 0.118 H 232.4°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX#66CBFD
RGBrgb(102, 203, 253)
HSLhsl(200, 97%, 70%)
HSVhsv(200, 60%, 99%)
CMYKcmyk(59.7%, 19.8%, 0%, 0.8%)
CIE-LABlab(77.65, -15.26, -33.40)
CIE-LCHlch(77.65, 36.72, 245.45°)
OKLaboklab(80.08% -0.0719 -0.0933)
OKLCHoklch(80.08% 0.118 232.4)
XYZxyz(44.5582, 52.6242, 100.7187)
Luminance0.5263 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66CBFD #FD9866
analogous
#66FDE4 #66CBFD #667FFD
triadic
#66CBFD #FD66CB #CBFD66
tetradic
#66CBFD #E466FD #FD9866 #7FFD66
square
#66CBFD #E466FD #FD9866 #7FFD66
split-complementary
#66CBFD #FD667F #FDE466
monochromatic
#039BE6 #2AB6FC #66CBFD #A2E0FE #DFF4FF

Accessibility & contrast

On white

1.82
#66CBFD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.53
#66CBFD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CBFD
11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66CBFD#FFFFFF#000000##000000
##66CBFD1.001.8211.5311.53
#FFFFFF1.821.0021.0021.00
#00000011.5321.001.001.00
##00000011.5321.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2C9FF
Deuteranopia (green-blind)
#9DB9FC
Tritanopia (blue-blind)
#00D9DB
Achromatopsia (no color)
#C0C0C0

Design tokens & code

CSS
--color: #66cbfd;
/* rgb */ color: rgb(102, 203, 253);
/* oklch */ color: oklch(80.1% 0.118 232.4);
Tailwind
colors: {
  custom: {
    50: '#9edafe',
    500: '#66cbfd',
    950: '#000000',
  },
}
SCSS
$custom: #66cbfd;
$custom-light: #9edafe;
$custom-dark: #000000;
JSON
{
  "hex": "#66cbfd",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 253
  },
  "hsl": {
    "h": 199.868,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.80085,
    "c": 0.11783,
    "h": 232.4
  },
  "luminance": 0.52629
}

Semantic roles & 50–950 ramp

primary
#66CBFD
secondary
#D8672F
accent
#4C00E6
background
#FCFEFF
surface
#F6FBFF
border
#D0D4D7
text
#101417
muted
#808385

Preview Lab

Preview with #66CBFD

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

Preview Lab → · Contrast checker → · Palette generator →

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