#66CDFC#66CDFC

#66CDFC is a light, moderate cyan. Relative luminance 0.535; OKLCH L 80.5% C 0.116 H 230.3°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#66CDFC
RGB	rgb(102, 205, 252)
HSL	hsl(199, 96%, 69%)
HSV	hsv(199, 60%, 99%)
CMYK	cmyk(59.5%, 18.7%, 0%, 1.2%)
CIE-LAB	lab(78.18, -16.59, -32.06)
CIE-LCH	lch(78.18, 36.10, 242.63°)
OKLab	oklab(80.49% -0.0743 -0.0895)
OKLCH	oklch(80.49% 0.116 230.3)
XYZ	xyz(44.8747, 53.5113, 100.0404)
Luminance	0.5352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CDFC #FC9566

analogous

#66FCE0 #66CDFC #6682FC

triadic

#66CDFC #FC66CD #CDFC66

tetradic

#66CDFC #E066FC #FC9566 #82FC66

square

#66CDFC #E066FC #FC9566 #82FC66

split-complementary

#66CDFC #FC6682 #FCE066

monochromatic

#049DE3 #2AB9FB #66CDFC #A2E1FD #DEF4FE

Accessibility & contrast

On white

1.79

#66CDFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#66CDFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CDFC

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CDFC	#FFFFFF	#000000	##000000
##66CDFC	1.00	1.79	11.70	11.70
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5CAFE

Deuteranopia (green-blind)

#A0BAFB

Tritanopia (blue-blind)

#00DADC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66cdfc;
/* rgb */ color: rgb(102, 205, 252);
/* oklch */ color: oklch(80.5% 0.116 230.3);

Tailwind

colors: {
  custom: {
    50: '#9edcfd',
    500: '#66cdfc',
    950: '#000000',
  },
}

SCSS

$custom: #66cdfc;
$custom-light: #9edcfd;
$custom-dark: #000000;

JSON

{
  "hex": "#66cdfc",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 252
  },
  "hsl": {
    "h": 198.8,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.8049,
    "c": 0.11635,
    "h": 230.3
  },
  "luminance": 0.53516
}

Semantic roles & 50–950 ramp

primary

#66CDFC

secondary

#D66430

accent

#4800E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #66CDFC

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

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