#66DAFE#66DAFE

#66DAFE is a very light, moderate cyan. Relative luminance 0.601; OKLCH L 83.5% C 0.116 H 221.2°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#66DAFE
RGB	rgb(102, 218, 254)
HSL	hsl(194, 99%, 70%)
HSV	hsv(194, 60%, 100%)
CMYK	cmyk(59.8%, 14.2%, 0%, 0.4%)
CIE-LAB	lab(81.90, -22.63, -27.41)
CIE-LCH	lch(81.90, 35.54, 230.46°)
OKLab	oklab(83.49% -0.087 -0.0762)
OKLCH	oklch(83.49% 0.116 221.2)
XYZ	xyz(48.4332, 60.1185, 102.7983)
Luminance	0.6012 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DAFE #FE8A66

analogous

#66FED6 #66DAFE #668EFE

triadic

#66DAFE #FE66DA #DAFE66

tetradic

#66DAFE #D666FE #FE8A66 #8EFE66

square

#66DAFE #D666FE #FE8A66 #8EFE66

split-complementary

#66DAFE #FE668E #FED666

monochromatic

#02B1E8 #29CBFE #66DAFE #A3E9FE #E0F7FF

Accessibility & contrast

On white

1.61

#66DAFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#66DAFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DAFE

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DAFE	#FFFFFF	#000000	##000000
##66DAFE	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4D5FF

Deuteranopia (green-blind)

#AFC5FE

Tritanopia (blue-blind)

#00E6E5

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66dafe;
/* rgb */ color: rgb(102, 218, 254);
/* oklch */ color: oklch(83.5% 0.116 221.2);

Tailwind

colors: {
  custom: {
    50: '#9fe5fe',
    500: '#66dafe',
    950: '#000000',
  },
}

SCSS

$custom: #66dafe;
$custom-light: #9fe5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66dafe",
  "rgb": {
    "r": 102,
    "g": 218,
    "b": 254
  },
  "hsl": {
    "h": 194.211,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.83489,
    "c": 0.1157,
    "h": 221.2
  },
  "luminance": 0.60123
}

Semantic roles & 50–950 ramp

primary

#66DAFE

secondary

#D9572F

accent

#3600E6

background

#FDFEFF

surface

#F7FCFF

border

#D0D5D7

text

#101518

muted

#818486

Preview Lab

Preview with #66DAFE

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

Preview Lab → · Contrast checker → · Palette generator →