#66CDFA#66CDFA

#66CDFA is a light, moderate cyan. Relative luminance 0.534; OKLCH L 80.4% C 0.115 H 229.1°. Best body text is #000000 at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#66CDFA
RGB	rgb(102, 205, 250)
HSL	hsl(198, 94%, 69%)
HSV	hsv(198, 59%, 98%)
CMYK	cmyk(59.2%, 18%, 0%, 2%)
CIE-LAB	lab(78.10, -17.19, -31.11)
CIE-LCH	lch(78.10, 35.54, 241.07°)
OKLab	oklab(80.41% -0.075 -0.0868)
OKLCH	oklch(80.41% 0.115 229.1)
XYZ	xyz(44.5594, 53.3852, 98.3800)
Luminance	0.5339 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CDFA #FA9366

analogous

#66FADD #66CDFA #6683FA

triadic

#66CDFA #FA66CD #CDFA66

tetradic

#66CDFA #DD66FA #FA9366 #83FA66

square

#66CDFA #DD66FA #FA9366 #83FA66

split-complementary

#66CDFA #FA6683 #FADD66

monochromatic

#079DDE #2BBAF8 #66CDFA #A1E0FC #DDF4FE

Accessibility & contrast

On white

1.80

#66CDFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.68

#66CDFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CDFA

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CDFA	#FFFFFF	#000000	##000000
##66CDFA	1.00	1.80	11.68	11.68
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.68	21.00	1.00	1.00
##000000	11.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6CAFC

Deuteranopia (green-blind)

#A1BAF9

Tritanopia (blue-blind)

#00DADC

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66cdfa;
/* rgb */ color: rgb(102, 205, 250);
/* oklch */ color: oklch(80.4% 0.115 229.1);

Tailwind

colors: {
  custom: {
    50: '#9edcfc',
    500: '#66cdfa',
    950: '#000000',
  },
}

SCSS

$custom: #66cdfa;
$custom-light: #9edcfc;
$custom-dark: #000000;

JSON

{
  "hex": "#66cdfa",
  "rgb": {
    "r": 102,
    "g": 205,
    "b": 250
  },
  "hsl": {
    "h": 198.243,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.80406,
    "c": 0.11472,
    "h": 229.1
  },
  "luminance": 0.5339
}

Semantic roles & 50–950 ramp

primary

#66CDFA

secondary

#D46230

accent

#4600E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CDFA

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

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