#66DBFF#66DBFF

#66DBFF is a very light, moderate cyan. Relative luminance 0.607; OKLCH L 83.8% C 0.116 H 221.1°. Best body text is #000000 at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#66DBFF
RGB	rgb(102, 219, 255)
HSL	hsl(194, 100%, 70%)
HSV	hsv(194, 60%, 100%)
CMYK	cmyk(60%, 14.1%, 0%, 0%)
CIE-LAB	lab(82.22, -22.84, -27.45)
CIE-LCH	lch(82.22, 35.71, 230.24°)
OKLab	oklab(83.75% -0.0877 -0.0764)
OKLCH	oklch(83.75% 0.116 221.1)
XYZ	xyz(48.8538, 60.7029, 103.7306)
Luminance	0.6071 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DBFF #FF8A66

analogous

#66FFD7 #66DBFF #668EFF

triadic

#66DBFF #FF66DB #DBFF66

tetradic

#66DBFF #D766FF #FF8A66 #8EFF66

square

#66DBFF #D766FF #FF8A66 #8EFF66

split-complementary

#66DBFF #FF668E #FFD766

monochromatic

#00B3EB #29CDFF #66DBFF #A3E9FF #E0F8FF

Accessibility & contrast

On white

1.60

#66DBFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.14

#66DBFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DBFF

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DBFF	#FFFFFF	#000000	##000000
##66DBFF	1.00	1.60	13.14	13.14
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.14	21.00	1.00	1.00
##000000	13.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D6FF

Deuteranopia (green-blind)

#AFC5FF

Tritanopia (blue-blind)

#00E7E6

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #66dbff;
/* rgb */ color: rgb(102, 219, 255);
/* oklch */ color: oklch(83.8% 0.116 221.1);

Tailwind

colors: {
  custom: {
    50: '#9fe6ff',
    500: '#66dbff',
    950: '#000000',
  },
}

SCSS

$custom: #66dbff;
$custom-light: #9fe6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#66dbff",
  "rgb": {
    "r": 102,
    "g": 219,
    "b": 255
  },
  "hsl": {
    "h": 194.118,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.83753,
    "c": 0.11628,
    "h": 221.1
  },
  "luminance": 0.60708
}

Semantic roles & 50–950 ramp

primary

#66DBFF

secondary

#DA572F

accent

#3600E6

background

#FDFEFF

surface

#F7FCFF

border

#D0D5D7

text

#101618

muted

#818486

Preview Lab

Preview with #66DBFF

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

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