#66DCFE#66DCFE

#66DCFE is a very light, moderate cyan. Relative luminance 0.612; OKLCH L 83.9% C 0.116 H 219.6°. Best body text is #000000 at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#66DCFE
RGB	rgb(102, 220, 254)
HSL	hsl(193, 99%, 70%)
HSV	hsv(193, 60%, 100%)
CMYK	cmyk(59.8%, 13.4%, 0%, 0.4%)
CIE-LAB	lab(82.47, -23.63, -26.54)
CIE-LCH	lch(82.47, 35.54, 228.33°)
OKLab	oklab(83.94% -0.0891 -0.0738)
OKLCH	oklch(83.94% 0.116 219.6)
XYZ	xyz(48.9549, 61.1620, 102.9722)
Luminance	0.6117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DCFE #FE8866

analogous

#66FED4 #66DCFE #6690FE

triadic

#66DCFE #FE66DC #DCFE66

tetradic

#66DCFE #D466FE #FE8866 #90FE66

square

#66DCFE #D466FE #FE8866 #90FE66

split-complementary

#66DCFE #FE6690 #FED466

monochromatic

#02B5E8 #29CEFE #66DCFE #A3EAFE #E0F8FF

Accessibility & contrast

On white

1.59

#66DCFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.23

#66DCFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DCFE

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DCFE	#FFFFFF	#000000	##000000
##66DCFE	1.00	1.59	13.23	13.23
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.23	21.00	1.00	1.00
##000000	13.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D7FF

Deuteranopia (green-blind)

#B1C6FE

Tritanopia (blue-blind)

#00E7E7

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #66dcfe;
/* rgb */ color: rgb(102, 220, 254);
/* oklch */ color: oklch(83.9% 0.116 219.6);

Tailwind

colors: {
  custom: {
    50: '#9fe7fe',
    500: '#66dcfe',
    950: '#000000',
  },
}

SCSS

$custom: #66dcfe;
$custom-light: #9fe7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66dcfe",
  "rgb": {
    "r": 102,
    "g": 220,
    "b": 254
  },
  "hsl": {
    "h": 193.421,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.8394,
    "c": 0.11569,
    "h": 219.6
  },
  "luminance": 0.61167
}

Semantic roles & 50–950 ramp

primary

#66DCFE

secondary

#D9552F

accent

#3300E6

background

#FDFEFF

surface

#F7FCFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66DCFE

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

Preview Lab → · Contrast checker → · Palette generator →