#66AEEC#66AEEC

#66AEEC is a light, moderate cyan. Relative luminance 0.392; OKLCH L 72.9% C 0.116 H 246.2°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#66AEEC
RGB	rgb(102, 174, 236)
HSL	hsl(208, 78%, 66%)
HSV	hsv(208, 57%, 93%)
CMYK	cmyk(56.8%, 26.3%, 0%, 7.5%)
CIE-LAB	lab(68.86, -4.85, -37.85)
CIE-LCH	lch(68.86, 38.16, 262.70°)
OKLab	oklab(72.9% -0.0468 -0.1063)
OKLCH	oklch(72.9% 0.116 246.2)
XYZ	xyz(35.7504, 39.1499, 85.0133)
Luminance	0.3915 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEEC #ECA466

analogous

#66ECE7 #66AEEC #666BEC

triadic

#66AEEC #EC66AE #AEEC66

tetradic

#66AEEC #E766EC #ECA466 #6BEC66

square

#66AEEC #E766EC #ECA466 #6BEC66

split-complementary

#66AEEC #EC666B #ECE766

monochromatic

#1872C0 #3091E5 #66AEEC #9CCBF3 #D3E8FA

Accessibility & contrast

On white

2.38

#66AEEC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#66AEEC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEEC

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEEC	#FFFFFF	#000000	##000000
##66AEEC	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#93AFEF

Deuteranopia (green-blind)

#82A2EB

Tritanopia (blue-blind)

#00BDC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66aeec;
/* rgb */ color: rgb(102, 174, 236);
/* oklch */ color: oklch(72.9% 0.116 246.2);

Tailwind

colors: {
  custom: {
    50: '#9bc6f2',
    500: '#66aeec',
    950: '#000000',
  },
}

SCSS

$custom: #66aeec;
$custom-light: #9bc6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#66aeec",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 236
  },
  "hsl": {
    "h": 207.761,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.72897,
    "c": 0.11611,
    "h": 246.2
  },
  "luminance": 0.39153
}

Semantic roles & 50–950 ramp

primary

#66AEEC

secondary

#EDD5C1

accent

#6B0BDA

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66AEEC

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

Preview Lab → · Contrast checker → · Palette generator →