#66CCFE#66CCFE

#66CCFE is a light, moderate cyan. Relative luminance 0.532; OKLCH L 80.4% C 0.118 H 232.2°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#66CCFE
RGB	rgb(102, 204, 254)
HSL	hsl(200, 99%, 70%)
HSV	hsv(200, 60%, 100%)
CMYK	cmyk(59.8%, 19.7%, 0%, 0.4%)
CIE-LAB	lab(77.97, -15.48, -33.44)
CIE-LCH	lch(77.97, 36.85, 245.17°)
OKLab	oklab(80.35% -0.0726 -0.0935)
OKLCH	oklch(80.35% 0.118 232.2)
XYZ	xyz(44.9549, 53.1619, 101.6389)
Luminance	0.5317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CCFE #FE9866

analogous

#66FEE4 #66CCFE #6680FE

triadic

#66CCFE #FE66CC #CCFE66

tetradic

#66CCFE #E466FE #FE9866 #80FE66

square

#66CCFE #E466FE #FE9866 #80FE66

split-complementary

#66CCFE #FE6680 #FEE466

monochromatic

#029CE8 #29B8FE #66CCFE #A3E0FE #E0F5FF

Accessibility & contrast

On white

1.81

#66CCFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.63

#66CCFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CCFE

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CCFE	#FFFFFF	#000000	##000000
##66CCFE	1.00	1.81	11.63	11.63
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.63	21.00	1.00	1.00
##000000	11.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3CAFF

Deuteranopia (green-blind)

#9EBAFD

Tritanopia (blue-blind)

#00DADC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66ccfe;
/* rgb */ color: rgb(102, 204, 254);
/* oklch */ color: oklch(80.4% 0.118 232.2);

Tailwind

colors: {
  custom: {
    50: '#9edbff',
    500: '#66ccfe',
    950: '#000000',
  },
}

SCSS

$custom: #66ccfe;
$custom-light: #9edbff;
$custom-dark: #000000;

JSON

{
  "hex": "#66ccfe",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 254
  },
  "hsl": {
    "h": 199.737,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.80351,
    "c": 0.11837,
    "h": 232.2
  },
  "luminance": 0.53166
}

Semantic roles & 50–950 ramp

primary

#66CCFE

secondary

#D9672F

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#101518

muted

#808486

Preview Lab

Preview with #66CCFE

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

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