#66AEDA#66AEDA

#66AEDA is a light, moderate cyan. Relative luminance 0.382; OKLCH L 72.1% C 0.097 H 237.0°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#66AEDA
RGB	rgb(102, 174, 218)
HSL	hsl(203, 61%, 63%)
HSV	hsv(203, 53%, 85%)
CMYK	cmyk(53.2%, 20.2%, 0%, 14.5%)
CIE-LAB	lab(68.14, -10.29, -29.12)
CIE-LCH	lch(68.14, 30.89, 250.54°)
OKLab	oklab(72.08% -0.0527 -0.0812)
OKLCH	oklch(72.08% 0.097 237)
XYZ	xyz(33.2658, 38.1560, 71.9279)
Luminance	0.3816 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEDA #DA9266

analogous

#66DACC #66AEDA #6674DA

triadic

#66AEDA #DA66AE #AEDA66

tetradic

#66AEDA #CC66DA #DA9266 #74DA66

square

#66AEDA #CC66DA #DA9266 #74DA66

split-complementary

#66AEDA #DA6674 #DACC66

monochromatic

#26719F #3594CE #66AEDA #97C8E6 #C9E2F2

Accessibility & contrast

On white

2.43

#66AEDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.63

#66AEDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEDA

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEDA	#FFFFFF	#000000	##000000
##66AEDA	1.00	2.43	8.63	8.63
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.63	21.00	1.00	1.00
##000000	8.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AADDC

Deuteranopia (green-blind)

#8AA1D9

Tritanopia (blue-blind)

#18B9BD

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #66aeda;
/* rgb */ color: rgb(102, 174, 218);
/* oklch */ color: oklch(72.1% 0.097 237.0);

Tailwind

colors: {
  custom: {
    50: '#99c6e5',
    500: '#66aeda',
    950: '#000000',
  },
}

SCSS

$custom: #66aeda;
$custom-light: #99c6e5;
$custom-dark: #000000;

JSON

{
  "hex": "#66aeda",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 218
  },
  "hsl": {
    "h": 202.759,
    "s": 61.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.72085,
    "c": 0.09677,
    "h": 237
  },
  "luminance": 0.38159
}

Semantic roles & 50–950 ramp

primary

#66AEDA

secondary

#E3C9B9

accent

#5E1DC9

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1315

muted

#7E8284

Preview Lab

Preview with #66AEDA

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

Preview Lab → · Contrast checker → · Palette generator →