#66CFED#66CFED

#66CFED is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.3% C 0.106 H 219.1°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#66CFED
RGB	rgb(102, 207, 237)
HSL	hsl(193, 79%, 66%)
HSV	hsv(193, 57%, 93%)
CMYK	cmyk(57%, 12.7%, 0%, 7.1%)
CIE-LAB	lab(78.20, -22.00, -24.00)
CIE-LCH	lch(78.20, 32.56, 227.48°)
OKLab	oklab(80.34% -0.0819 -0.0666)
OKLCH	oklch(80.34% 0.106 219.1)
XYZ	xyz(43.0723, 53.5607, 88.1727)
Luminance	0.5356 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CFED #ED8466

analogous

#66EDC7 #66CFED #668CED

triadic

#66CFED #ED66CF #CFED66

tetradic

#66CFED #C766ED #ED8466 #8CED66

square

#66CFED #C766ED #ED8466 #8CED66

split-complementary

#66CFED #ED668C #EDC766

monochromatic

#179CC2 #2FBEE7 #66CFED #9DE0F3 #D4F1FA

Accessibility & contrast

On white

1.79

#66CFED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#66CFED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CFED

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CFED	#FFFFFF	#000000	##000000
##66CFED	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCAEF

Deuteranopia (green-blind)

#A8BBED

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66cfed;
/* rgb */ color: rgb(102, 207, 237);
/* oklch */ color: oklch(80.3% 0.106 219.1);

Tailwind

colors: {
  custom: {
    50: '#9cddf3',
    500: '#66cfed',
    950: '#000000',
  },
}

SCSS

$custom: #66cfed;
$custom-light: #9cddf3;
$custom-dark: #000000;

JSON

{
  "hex": "#66cfed",
  "rgb": {
    "r": 102,
    "g": 207,
    "b": 237
  },
  "hsl": {
    "h": 193.333,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.80335,
    "c": 0.10554,
    "h": 219.1
  },
  "luminance": 0.53565
}

Semantic roles & 50–950 ramp

primary

#66CFED

secondary

#C05637

accent

#390ADB

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CFED

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

Preview Lab → · Contrast checker → · Palette generator →