#66D2FE#66D2FE

#66D2FE is a light, moderate cyan. Relative luminance 0.561; OKLCH L 81.7% C 0.117 H 227.5°. Best body text is #000000 at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#66D2FE
RGB	rgb(102, 210, 254)
HSL	hsl(197, 99%, 70%)
HSV	hsv(197, 60%, 100%)
CMYK	cmyk(59.8%, 17.3%, 0%, 0.4%)
CIE-LAB	lab(79.65, -18.58, -30.85)
CIE-LCH	lch(79.65, 36.01, 238.95°)
OKLab	oklab(81.69% -0.0788 -0.086)
OKLCH	oklch(81.69% 0.117 227.5)
XYZ	xyz(46.4085, 56.0691, 102.1234)
Luminance	0.5607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D2FE #FE9266

analogous

#66FEDE #66D2FE #6686FE

triadic

#66D2FE #FE66D2 #D2FE66

tetradic

#66D2FE #DE66FE #FE9266 #86FE66

square

#66D2FE #DE66FE #FE9266 #86FE66

split-complementary

#66D2FE #FE6686 #FEDE66

monochromatic

#02A5E8 #29C0FE #66D2FE #A3E4FE #E0F6FF

Accessibility & contrast

On white

1.72

#66D2FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.21

#66D2FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D2FE

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D2FE	#FFFFFF	#000000	##000000
##66D2FE	1.00	1.72	12.21	12.21
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.21	21.00	1.00	1.00
##000000	12.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCEFF

Deuteranopia (green-blind)

#A5BEFD

Tritanopia (blue-blind)

#00DFE0

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d2fe;
/* rgb */ color: rgb(102, 210, 254);
/* oklch */ color: oklch(81.7% 0.117 227.5);

Tailwind

colors: {
  custom: {
    50: '#9edfff',
    500: '#66d2fe',
    950: '#000000',
  },
}

SCSS

$custom: #66d2fe;
$custom-light: #9edfff;
$custom-dark: #000000;

JSON

{
  "hex": "#66d2fe",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 254
  },
  "hsl": {
    "h": 197.368,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.81691,
    "c": 0.11668,
    "h": 227.5
  },
  "luminance": 0.56074
}

Semantic roles & 50–950 ramp

primary

#66D2FE

secondary

#D9602F

accent

#4200E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #66D2FE

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

Preview Lab → · Contrast checker → · Palette generator →