#66CCF6#66CCF6

#66CCF6 is a light, moderate cyan. Relative luminance 0.527; OKLCH L 80.0% C 0.112 H 227.6°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#66CCF6
RGB	rgb(102, 204, 246)
HSL	hsl(198, 89%, 68%)
HSV	hsv(198, 59%, 96%)
CMYK	cmyk(58.5%, 17.1%, 0%, 3.5%)
CIE-LAB	lab(77.67, -17.86, -29.63)
CIE-LCH	lch(77.67, 34.59, 238.92°)
OKLab	oklab(80.02% -0.0754 -0.0826)
OKLCH	oklch(80.02% 0.112 227.6)
XYZ	xyz(43.7005, 52.6601, 95.0323)
Luminance	0.5266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CCF6 #F69066

analogous

#66F6D8 #66CCF6 #6684F6

triadic

#66CCF6 #F666CC #CCF666

tetradic

#66CCF6 #D866F6 #F69066 #84F666

square

#66CCF6 #D866F6 #F69066 #84F666

split-complementary

#66CCF6 #F66684 #F6D866

monochromatic

#0D9BD5 #2CB9F3 #66CCF6 #A0DFF9 #DAF3FD

Accessibility & contrast

On white

1.82

#66CCF6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#66CCF6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CCF6

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CCF6	#FFFFFF	#000000	##000000
##66CCF6	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C9F8

Deuteranopia (green-blind)

#A1B9F5

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66ccf6;
/* rgb */ color: rgb(102, 204, 246);
/* oklch */ color: oklch(80.0% 0.112 227.6);

Tailwind

colors: {
  custom: {
    50: '#9ddbf9',
    500: '#66ccf6',
    950: '#000000',
  },
}

SCSS

$custom: #66ccf6;
$custom-light: #9ddbf9;
$custom-dark: #000000;

JSON

{
  "hex": "#66ccf6",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 246
  },
  "hsl": {
    "h": 197.5,
    "s": 88.889,
    "l": 68.235
  },
  "oklch": {
    "l": 0.80016,
    "c": 0.11182,
    "h": 227.6
  },
  "luminance": 0.52664
}

Semantic roles & 50–950 ramp

primary

#66CCF6

secondary

#CF5F31

accent

#4300E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CCF6

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

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