#66D2FA#66D2FA

#66D2FA is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.5% C 0.114 H 225.1°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#66D2FA
RGB	rgb(102, 210, 250)
HSL	hsl(196, 94%, 69%)
HSV	hsv(196, 59%, 98%)
CMYK	cmyk(59.2%, 16%, 0%, 2%)
CIE-LAB	lab(79.51, -19.75, -28.95)
CIE-LCH	lch(79.51, 35.04, 235.69°)
OKLab	oklab(81.53% -0.0802 -0.0806)
OKLCH	oklch(81.53% 0.114 225.1)
XYZ	xyz(45.7746, 55.8156, 98.7851)
Luminance	0.5582 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D2FA #FA8E66

analogous

#66FAD8 #66D2FA #6688FA

triadic

#66D2FA #FA66D2 #D2FA66

tetradic

#66D2FA #D866FA #FA8E66 #88FA66

square

#66D2FA #D866FA #FA8E66 #88FA66

split-complementary

#66D2FA #FA6688 #FAD866

monochromatic

#07A4DE #2BC1F8 #66D2FA #A1E3FC #DDF5FE

Accessibility & contrast

On white

1.73

#66D2FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#66D2FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D2FA

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D2FA	#FFFFFF	#000000	##000000
##66D2FA	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCEFC

Deuteranopia (green-blind)

#A7BEFA

Tritanopia (blue-blind)

#00DEDF

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d2fa;
/* rgb */ color: rgb(102, 210, 250);
/* oklch */ color: oklch(81.5% 0.114 225.1);

Tailwind

colors: {
  custom: {
    50: '#9ee0fc',
    500: '#66d2fa',
    950: '#000000',
  },
}

SCSS

$custom: #66d2fa;
$custom-light: #9ee0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66d2fa",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 250
  },
  "hsl": {
    "h": 196.216,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.81528,
    "c": 0.11374,
    "h": 225.1
  },
  "luminance": 0.5582
}

Semantic roles & 50–950 ramp

primary

#66D2FA

secondary

#D45C30

accent

#3E00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #66D2FA

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

Preview Lab → · Contrast checker → · Palette generator →