#66AEEA#66AEEA

#66AEEA is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.8% C 0.114 H 245.4°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#66AEEA
RGB	rgb(102, 174, 234)
HSL	hsl(207, 76%, 66%)
HSV	hsv(207, 56%, 92%)
CMYK	cmyk(56.4%, 25.6%, 0%, 8.2%)
CIE-LAB	lab(68.78, -5.46, -36.89)
CIE-LCH	lch(68.78, 37.30, 261.58°)
OKLab	oklab(72.8% -0.0474 -0.1035)
OKLCH	oklch(72.8% 0.114 245.4)
XYZ	xyz(35.4614, 39.0343, 83.4916)
Luminance	0.3904 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEEA #EAA266

analogous

#66EAE4 #66AEEA #666CEA

triadic

#66AEEA #EA66AE #AEEA66

tetradic

#66AEEA #E466EA #EAA266 #6CEA66

square

#66AEEA #E466EA #EAA266 #6CEA66

split-complementary

#66AEEA #EA666C #EAE466

monochromatic

#1A72BC #3092E3 #66AEEA #9CCAF1 #D2E7F9

Accessibility & contrast

On white

2.38

#66AEEA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#66AEEA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEEA

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEEA	#FFFFFF	#000000	##000000
##66AEEA	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94AFED

Deuteranopia (green-blind)

#83A2E9

Tritanopia (blue-blind)

#00BCC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66aeea;
/* rgb */ color: rgb(102, 174, 234);
/* oklch */ color: oklch(72.8% 0.114 245.4);

Tailwind

colors: {
  custom: {
    50: '#9bc6f1',
    500: '#66aeea',
    950: '#000000',
  },
}

SCSS

$custom: #66aeea;
$custom-light: #9bc6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#66aeea",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 234
  },
  "hsl": {
    "h": 207.273,
    "s": 75.862,
    "l": 65.882
  },
  "oklch": {
    "l": 0.72803,
    "c": 0.11383,
    "h": 245.4
  },
  "luminance": 0.39037
}

Semantic roles & 50–950 ramp

primary

#66AEEA

secondary

#ECD4C0

accent

#6A0DD8

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1316

muted

#7F8284

Preview Lab

Preview with #66AEEA

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

Preview Lab → · Contrast checker → · Palette generator →