#66CEED#66CEED

#66CEED is a light, moderate cyan. Relative luminance 0.531; OKLCH L 80.1% C 0.105 H 220.0°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#66CEED
RGB	rgb(102, 206, 237)
HSL	hsl(194, 79%, 66%)
HSV	hsv(194, 57%, 93%)
CMYK	cmyk(57%, 13.1%, 0%, 7.1%)
CIE-LAB	lab(77.92, -21.50, -24.43)
CIE-LCH	lch(77.92, 32.54, 228.65°)
OKLab	oklab(80.11% -0.0808 -0.0678)
OKLCH	oklch(80.11% 0.106 220)
XYZ	xyz(42.8308, 53.0777, 88.0922)
Luminance	0.5308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CEED #ED8566

analogous

#66EDC9 #66CEED #668BED

triadic

#66CEED #ED66CE #CEED66

tetradic

#66CEED #C966ED #ED8566 #8BED66

square

#66CEED #C966ED #ED8566 #8BED66

split-complementary

#66CEED #ED668B #EDC966

monochromatic

#179BC2 #2FBCE7 #66CEED #9DE0F3 #D4F1FA

Accessibility & contrast

On white

1.81

#66CEED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#66CEED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CEED

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CEED	#FFFFFF	#000000	##000000
##66CEED	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC9EF

Deuteranopia (green-blind)

#A7BAED

Tritanopia (blue-blind)

#00D8D8

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66ceed;
/* rgb */ color: rgb(102, 206, 237);
/* oklch */ color: oklch(80.1% 0.105 220.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66ceed",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 237
  },
  "hsl": {
    "h": 193.778,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.80108,
    "c": 0.1055,
    "h": 220
  },
  "luminance": 0.53082
}

Semantic roles & 50–950 ramp

primary

#66CEED

secondary

#C05737

accent

#3A0ADB

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CEED

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

Preview Lab → · Contrast checker → · Palette generator →