#66DBFA#66DBFA

#66DBFA is a very light, moderate cyan. Relative luminance 0.604; OKLCH L 83.6% C 0.113 H 217.9°. Best body text is #000000 at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#66DBFA
RGB	rgb(102, 219, 250)
HSL	hsl(193, 94%, 69%)
HSV	hsv(193, 59%, 98%)
CMYK	cmyk(59.2%, 12.4%, 0%, 2%)
CIE-LAB	lab(82.05, -24.28, -25.07)
CIE-LCH	lch(82.05, 34.90, 225.91°)
OKLab	oklab(83.56% -0.0895 -0.0696)
OKLCH	oklch(83.56% 0.113 217.9)
XYZ	xyz(48.0594, 60.3851, 99.5467)
Luminance	0.6039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DBFA #FA8566

analogous

#66FACF #66DBFA #6691FA

triadic

#66DBFA #FA66DB #DBFA66

tetradic

#66DBFA #CF66FA #FA8566 #91FA66

square

#66DBFA #CF66FA #FA8566 #91FA66

split-complementary

#66DBFA #FA6691 #FACF66

monochromatic

#07B1DE #2BCDF8 #66DBFA #A1E9FC #DDF7FE

Accessibility & contrast

On white

1.61

#66DBFA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.08

#66DBFA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBFA

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DBFA	#FFFFFF	#000000	##000000
##66DBFA	1.00	1.61	13.08	13.08
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.08	21.00	1.00	1.00
##000000	13.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D5FC

Deuteranopia (green-blind)

#B1C5FA

Tritanopia (blue-blind)

#00E6E5

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66dbfa;
/* rgb */ color: rgb(102, 219, 250);
/* oklch */ color: oklch(83.6% 0.113 217.9);

Tailwind

colors: {
  custom: {
    50: '#9ee6fc',
    500: '#66dbfa',
    950: '#000000',
  },
}

SCSS

$custom: #66dbfa;
$custom-light: #9ee6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#66dbfa",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 250
  },
  "hsl": {
    "h": 192.568,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.83559,
    "c": 0.11343,
    "h": 217.9
  },
  "luminance": 0.6039
}

Semantic roles & 50–950 ramp

primary

#66DBFA

secondary

#D45330

accent

#3000E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101617

muted

#808485

Preview Lab

Preview with #66DBFA

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

Preview Lab → · Contrast checker → · Palette generator →