#66D6FA#66D6FA

#66D6FA is a very light, moderate cyan. Relative luminance 0.578; OKLCH L 82.4% C 0.113 H 221.9°. Best body text is #000000 at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#66D6FA
RGB	rgb(102, 214, 250)
HSL	hsl(195, 94%, 69%)
HSV	hsv(195, 59%, 98%)
CMYK	cmyk(59.2%, 14.4%, 0%, 2%)
CIE-LAB	lab(80.64, -21.78, -27.22)
CIE-LCH	lch(80.64, 34.86, 231.33°)
OKLab	oklab(82.43% -0.0844 -0.0757)
OKLCH	oklch(82.43% 0.113 221.9)
XYZ	xyz(46.7745, 57.8154, 99.1184)
Luminance	0.5782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D6FA #FA8A66

analogous

#66FAD4 #66D6FA #668CFA

triadic

#66D6FA #FA66D6 #D6FA66

tetradic

#66D6FA #D466FA #FA8A66 #8CFA66

square

#66D6FA #D466FA #FA8A66 #8CFA66

split-complementary

#66D6FA #FA668C #FAD466

monochromatic

#07AADE #2BC6F8 #66D6FA #A1E6FC #DDF6FE

Accessibility & contrast

On white

1.67

#66D6FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.56

#66D6FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D6FA

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D6FA	#FFFFFF	#000000	##000000
##66D6FA	1.00	1.67	12.56	12.56
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.56	21.00	1.00	1.00
##000000	12.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D1FC

Deuteranopia (green-blind)

#ABC1FA

Tritanopia (blue-blind)

#00E1E1

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #66d6fa;
/* rgb */ color: rgb(102, 214, 250);
/* oklch */ color: oklch(82.4% 0.113 221.9);

Tailwind

colors: {
  custom: {
    50: '#9ee2fc',
    500: '#66d6fa',
    950: '#000000',
  },
}

SCSS

$custom: #66d6fa;
$custom-light: #9ee2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d6fa",
  "rgb": {
    "r": 102,
    "g": 214,
    "b": 250
  },
  "hsl": {
    "h": 194.595,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.82429,
    "c": 0.11337,
    "h": 221.9
  },
  "luminance": 0.5782
}

Semantic roles & 50–950 ramp

primary

#66D6FA

secondary

#D45830

accent

#3800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #66D6FA

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

Preview Lab → · Contrast checker → · Palette generator →