#66DBF7#66DBF7

#66DBF7 is a very light, moderate cyan. Relative luminance 0.602; OKLCH L 83.4% C 0.112 H 215.9°. Best body text is #000000 at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#66DBF7
RGB	rgb(102, 219, 247)
HSL	hsl(192, 90%, 68%)
HSV	hsv(192, 59%, 97%)
CMYK	cmyk(58.7%, 11.3%, 0%, 3.1%)
CIE-LAB	lab(81.95, -25.14, -23.63)
CIE-LCH	lch(81.95, 34.50, 223.23°)
OKLab	oklab(83.44% -0.0907 -0.0656)
OKLCH	oklch(83.44% 0.112 215.9)
XYZ	xyz(47.5928, 60.1985, 97.0890)
Luminance	0.6020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DBF7 #F78266

analogous

#66F7CA #66DBF7 #6692F7

triadic

#66DBF7 #F766DB #DBF766

tetradic

#66DBF7 #CA66F7 #F78266 #92F766

square

#66DBF7 #CA66F7 #F78266 #92F766

split-complementary

#66DBF7 #F76692 #F7CA66

monochromatic

#0BB0D7 #2CCDF4 #66DBF7 #A0E9FA #DAF6FD

Accessibility & contrast

On white

1.61

#66DBF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.04

#66DBF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBF7

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DBF7	#FFFFFF	#000000	##000000
##66DBF7	1.00	1.61	13.04	13.04
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.04	21.00	1.00	1.00
##000000	13.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D5F9

Deuteranopia (green-blind)

#B2C5F7

Tritanopia (blue-blind)

#00E5E4

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66dbf7;
/* rgb */ color: rgb(102, 219, 247);
/* oklch */ color: oklch(83.4% 0.112 215.9);

Tailwind

colors: {
  custom: {
    50: '#9ee6fa',
    500: '#66dbf7',
    950: '#000000',
  },
}

SCSS

$custom: #66dbf7;
$custom-light: #9ee6fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66dbf7",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 247
  },
  "hsl": {
    "h": 191.586,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.83444,
    "c": 0.1119,
    "h": 215.9
  },
  "luminance": 0.60203
}

Semantic roles & 50–950 ramp

primary

#66DBF7

secondary

#D05031

accent

#2C00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #66DBF7

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

Preview Lab → · Contrast checker → · Palette generator →