#66CAEC#66CAEC

#66CAEC is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.2% C 0.105 H 222.9°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#66CAEC
RGB	rgb(102, 202, 236)
HSL	hsl(195, 78%, 66%)
HSV	hsv(195, 57%, 93%)
CMYK	cmyk(56.8%, 14.4%, 0%, 7.5%)
CIE-LAB	lab(76.75, -19.75, -25.68)
CIE-LCH	lch(76.75, 32.40, 232.43°)
OKLab	oklab(79.16% -0.0769 -0.0714)
OKLCH	oklch(79.16% 0.105 222.9)
XYZ	xyz(41.7344, 51.1180, 87.0080)
Luminance	0.5112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CAEC #EC8866

analogous

#66ECCB #66CAEC #6687EC

triadic

#66CAEC #EC66CA #CAEC66

tetradic

#66CAEC #CB66EC #EC8866 #87EC66

square

#66CAEC #CB66EC #EC8866 #87EC66

split-complementary

#66CAEC #EC6687 #ECCB66

monochromatic

#1895C0 #30B7E5 #66CAEC #9CDDF3 #D3F0FA

Accessibility & contrast

On white

1.87

#66CAEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#66CAEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CAEC

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CAEC	#FFFFFF	#000000	##000000
##66CAEC	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C6EE

Deuteranopia (green-blind)

#A3B7EC

Tritanopia (blue-blind)

#00D5D5

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66caec;
/* rgb */ color: rgb(102, 202, 236);
/* oklch */ color: oklch(79.2% 0.105 222.9);

Tailwind

colors: {
  custom: {
    50: '#9cdaf2',
    500: '#66caec',
    950: '#000000',
  },
}

SCSS

$custom: #66caec;
$custom-light: #9cdaf2;
$custom-dark: #000000;

JSON

{
  "hex": "#66caec",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 236
  },
  "hsl": {
    "h": 195.224,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.79161,
    "c": 0.10493,
    "h": 222.9
  },
  "luminance": 0.51122
}

Semantic roles & 50–950 ramp

primary

#66CAEC

secondary

#BE5A38

accent

#400BDA

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #66CAEC

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

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