#66DDFE#66DDFE

#66DDFE is a very light, moderate cyan. Relative luminance 0.617; OKLCH L 84.2% C 0.116 H 218.9°. Best body text is #000000 at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#66DDFE
RGB	rgb(102, 221, 254)
HSL	hsl(193, 99%, 70%)
HSV	hsv(193, 60%, 100%)
CMYK	cmyk(59.8%, 13%, 0%, 0.4%)
CIE-LAB	lab(82.75, -24.12, -26.11)
CIE-LCH	lch(82.75, 35.55, 227.27°)
OKLab	oklab(84.17% -0.0901 -0.0726)
OKLCH	oklch(84.17% 0.116 218.9)
XYZ	xyz(49.2182, 61.6885, 103.0600)
Luminance	0.6169 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66DDFE #FE8766

analogous

#66FED3 #66DDFE #6691FE

triadic

#66DDFE #FE66DD #DDFE66

tetradic

#66DDFE #D366FE #FE8766 #91FE66

square

#66DDFE #D366FE #FE8766 #91FE66

split-complementary

#66DDFE #FE6691 #FED366

monochromatic

#02B6E8 #29CFFE #66DDFE #A3EBFE #E0F8FF

Accessibility & contrast

On white

1.57

#66DDFE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.34

#66DDFE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66DDFE

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66DDFE	#FFFFFF	#000000	##000000
##66DDFE	1.00	1.57	13.34	13.34
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.34	21.00	1.00	1.00
##000000	13.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8D7FF

Deuteranopia (green-blind)

#B2C7FE

Tritanopia (blue-blind)

#00E8E7

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #66ddfe;
/* rgb */ color: rgb(102, 221, 254);
/* oklch */ color: oklch(84.2% 0.116 218.9);

Tailwind

colors: {
  custom: {
    50: '#9fe7fe',
    500: '#66ddfe',
    950: '#000000',
  },
}

SCSS

$custom: #66ddfe;
$custom-light: #9fe7fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66ddfe",
  "rgb": {
    "r": 102,
    "g": 221,
    "b": 254
  },
  "hsl": {
    "h": 193.026,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.84165,
    "c": 0.1157,
    "h": 218.9
  },
  "luminance": 0.61693
}

Semantic roles & 50–950 ramp

primary

#66DDFE

secondary

#D9542F

accent

#3200E6

background

#FDFEFF

surface

#F7FCFF

border

#D0D5D7

text

#101617

muted

#818485

Preview Lab

Preview with #66DDFE

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

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