#66C7FE#66C7FE

#66C7FE is a light, vivid cyan. Relative luminance 0.508; OKLCH L 79.2% C 0.120 H 235.9°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#66C7FE
RGB	rgb(102, 199, 254)
HSL	hsl(202, 99%, 70%)
HSV	hsv(202, 60%, 100%)
CMYK	cmyk(59.8%, 21.7%, 0%, 0.4%)
CIE-LAB	lab(76.57, -12.86, -35.61)
CIE-LCH	lch(76.57, 37.86, 250.15°)
OKLab	oklab(79.24% -0.0674 -0.0997)
OKLCH	oklch(79.24% 0.12 235.9)
XYZ	xyz(43.7855, 50.8231, 101.2491)
Luminance	0.5083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C7FE #FE9D66

analogous

#66FEE9 #66C7FE #667BFE

triadic

#66C7FE #FE66C7 #C7FE66

tetradic

#66C7FE #E966FE #FE9D66 #7BFE66

square

#66C7FE #E966FE #FE9D66 #7BFE66

split-complementary

#66C7FE #FE667B #FEE966

monochromatic

#0295E8 #29B1FE #66C7FE #A3DDFE #E0F4FF

Accessibility & contrast

On white

1.88

#66C7FE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#66C7FE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C7FE

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C7FE	#FFFFFF	#000000	##000000
##66C7FE	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADC6FF

Deuteranopia (green-blind)

#98B6FD

Tritanopia (blue-blind)

#00D5D9

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66c7fe;
/* rgb */ color: rgb(102, 199, 254);
/* oklch */ color: oklch(79.2% 0.120 235.9);

Tailwind

colors: {
  custom: {
    50: '#9ed8ff',
    500: '#66c7fe',
    950: '#000000',
  },
}

SCSS

$custom: #66c7fe;
$custom-light: #9ed8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#66c7fe",
  "rgb": {
    "r": 102,
    "g": 199,
    "b": 254
  },
  "hsl": {
    "h": 201.711,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.79239,
    "c": 0.12036,
    "h": 235.9
  },
  "luminance": 0.50827
}

Semantic roles & 50–950 ramp

primary

#66C7FE

secondary

#D96D2F

accent

#5300E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1418

muted

#808386

Preview Lab

Preview with #66C7FE

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

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