#66CEFC#66CEFC

#66CEFC is a light, moderate cyan. Relative luminance 0.540; OKLCH L 80.7% C 0.116 H 229.5°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#66CEFC
RGB	rgb(102, 206, 252)
HSL	hsl(198, 96%, 69%)
HSV	hsv(198, 60%, 99%)
CMYK	cmyk(59.5%, 18.3%, 0%, 1.2%)
CIE-LAB	lab(78.46, -17.11, -31.63)
CIE-LCH	lch(78.46, 35.96, 241.58°)
OKLab	oklab(80.71% -0.0754 -0.0883)
OKLCH	oklch(80.71% 0.116 229.5)
XYZ	xyz(45.1147, 53.9913, 100.1204)
Luminance	0.5400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CEFC #FC9466

analogous

#66FCDF #66CEFC #6683FC

triadic

#66CEFC #FC66CE #CEFC66

tetradic

#66CEFC #DF66FC #FC9466 #83FC66

square

#66CEFC #DF66FC #FC9466 #83FC66

split-complementary

#66CEFC #FC6683 #FCDF66

monochromatic

#049FE3 #2ABBFB #66CEFC #A2E1FD #DEF4FE

Accessibility & contrast

On white

1.78

#66CEFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#66CEFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CEFC

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CEFC	#FFFFFF	#000000	##000000
##66CEFC	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6CBFE

Deuteranopia (green-blind)

#A1BBFB

Tritanopia (blue-blind)

#00DBDD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66cefc;
/* rgb */ color: rgb(102, 206, 252);
/* oklch */ color: oklch(80.7% 0.116 229.5);

Tailwind

colors: {
  custom: {
    50: '#9eddfd',
    500: '#66cefc',
    950: '#000000',
  },
}

SCSS

$custom: #66cefc;
$custom-light: #9eddfd;
$custom-dark: #000000;

JSON

{
  "hex": "#66cefc",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 252
  },
  "hsl": {
    "h": 198.4,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.80713,
    "c": 0.11608,
    "h": 229.5
  },
  "luminance": 0.53996
}

Semantic roles & 50–950 ramp

primary

#66CEFC

secondary

#D66330

accent

#4600E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #66CEFC

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

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