#66CCF7#66CCF7

#66CCF7 is a light, moderate cyan. Relative luminance 0.527; OKLCH L 80.1% C 0.113 H 228.2°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#66CCF7
RGB	rgb(102, 204, 247)
HSL	hsl(198, 90%, 68%)
HSV	hsv(198, 59%, 97%)
CMYK	cmyk(58.7%, 17.4%, 0%, 3.1%)
CIE-LAB	lab(77.71, -17.56, -30.10)
CIE-LCH	lch(77.71, 34.85, 239.74°)
OKLab	oklab(80.06% -0.0751 -0.0839)
OKLCH	oklch(80.06% 0.113 228.2)
XYZ	xyz(43.8543, 52.7217, 95.8428)
Luminance	0.5273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CCF7 #F79166

analogous

#66F7D9 #66CCF7 #6683F7

triadic

#66CCF7 #F766CC #CCF766

tetradic

#66CCF7 #D966F7 #F79166 #83F766

square

#66CCF7 #D966F7 #F79166 #83F766

split-complementary

#66CCF7 #F76683 #F7D966

monochromatic

#0B9BD7 #2CB9F4 #66CCF7 #A0DFFA #DAF3FD

Accessibility & contrast

On white

1.82

#66CCF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#66CCF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CCF7

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CCF7	#FFFFFF	#000000	##000000
##66CCF7	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C9F9

Deuteranopia (green-blind)

#A1B9F6

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66ccf7;
/* rgb */ color: rgb(102, 204, 247);
/* oklch */ color: oklch(80.1% 0.113 228.2);

Tailwind

colors: {
  custom: {
    50: '#9ddbfa',
    500: '#66ccf7',
    950: '#000000',
  },
}

SCSS

$custom: #66ccf7;
$custom-light: #9ddbfa;
$custom-dark: #000000;

JSON

{
  "hex": "#66ccf7",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 247
  },
  "hsl": {
    "h": 197.793,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.80058,
    "c": 0.1126,
    "h": 228.2
  },
  "luminance": 0.52726
}

Semantic roles & 50–950 ramp

primary

#66CCF7

secondary

#D06031

accent

#4400E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CCF7

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

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