#66CDFF#66CDFF

#66CDFF is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.6% C 0.119 H 231.9°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#66CDFF
RGB	rgb(102, 205, 255)
HSL	hsl(200, 100%, 70%)
HSV	hsv(200, 60%, 100%)
CMYK	cmyk(60%, 19.6%, 0%, 0%)
CIE-LAB	lab(78.29, -15.70, -33.49)
CIE-LCH	lch(78.29, 36.98, 244.88°)
OKLab	oklab(80.62% -0.0733 -0.0936)
OKLCH	oklch(80.62% 0.119 231.9)
XYZ	xyz(45.3539, 53.7030, 102.5639)
Luminance	0.5371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CDFF #FF9866

analogous

#66FFE5 #66CDFF #6680FF

triadic

#66CDFF #FF66CD #CDFF66

tetradic

#66CDFF #E566FF #FF9866 #80FF66

square

#66CDFF #E566FF #FF9866 #80FF66

split-complementary

#66CDFF #FF6680 #FFE566

monochromatic

#009EEB #29B9FF #66CDFF #A3E1FF #E0F5FF

Accessibility & contrast

On white

1.79

#66CDFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#66CDFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CDFF

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CDFF	#FFFFFF	#000000	##000000
##66CDFF	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4CBFF

Deuteranopia (green-blind)

#9FBBFE

Tritanopia (blue-blind)

#00DBDD

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #66cdff;
/* rgb */ color: rgb(102, 205, 255);
/* oklch */ color: oklch(80.6% 0.119 231.9);

Tailwind

colors: {
  custom: {
    50: '#9edcff',
    500: '#66cdff',
    950: '#000000',
  },
}

SCSS

$custom: #66cdff;
$custom-light: #9edcff;
$custom-dark: #000000;

JSON

{
  "hex": "#66cdff",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 255
  },
  "hsl": {
    "h": 199.608,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.80616,
    "c": 0.11888,
    "h": 231.9
  },
  "luminance": 0.53707
}

Semantic roles & 50–950 ramp

primary

#66CDFF

secondary

#DA672F

accent

#4B00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #66CDFF

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

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