#66ADEA#66ADEA

#66ADEA is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.6% C 0.115 H 246.1°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#66ADEA
RGB	rgb(102, 173, 234)
HSL	hsl(208, 76%, 66%)
HSV	hsv(208, 56%, 92%)
CMYK	cmyk(56.4%, 26.1%, 0%, 8.2%)
CIE-LAB	lab(68.50, -4.91, -37.33)
CIE-LCH	lch(68.50, 37.65, 262.51°)
OKLab	oklab(72.58% -0.0463 -0.1047)
OKLCH	oklch(72.58% 0.115 246.1)
XYZ	xyz(35.2690, 38.6493, 83.4274)
Luminance	0.3865 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ADEA #EAA366

analogous

#66EAE5 #66ADEA #666BEA

triadic

#66ADEA #EA66AD #ADEA66

tetradic

#66ADEA #E566EA #EAA366 #6BEA66

square

#66ADEA #E566EA #EAA366 #6BEA66

split-complementary

#66ADEA #EA666B #EAE566

monochromatic

#1A71BC #3090E3 #66ADEA #9CCAF1 #D2E7F9

Accessibility & contrast

On white

2.41

#66ADEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#66ADEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ADEA

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ADEA	#FFFFFF	#000000	##000000
##66ADEA	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93AEED

Deuteranopia (green-blind)

#81A1E9

Tritanopia (blue-blind)

#00BCC2

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66adea;
/* rgb */ color: rgb(102, 173, 234);
/* oklch */ color: oklch(72.6% 0.115 246.1);

Tailwind

colors: {
  custom: {
    50: '#9bc5f1',
    500: '#66adea',
    950: '#000000',
  },
}

SCSS

$custom: #66adea;
$custom-light: #9bc5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66adea",
  "rgb": {
    "r": 102,
    "g": 173,
    "b": 234
  },
  "hsl": {
    "h": 207.727,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.72583,
    "c": 0.11453,
    "h": 246.1
  },
  "luminance": 0.38652
}

Semantic roles & 50–950 ramp

primary

#66ADEA

secondary

#ECD4C0

accent

#6B0DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1216

muted

#7F8184

Preview Lab

Preview with #66ADEA

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

Preview Lab → · Contrast checker → · Palette generator →