#66AFEE#66AFEE

#66AFEE is a light, moderate cyan. Relative luminance 0.397; OKLCH L 73.2% C 0.118 H 246.3°. Best body text is #000000 at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#66AFEE
RGB	rgb(102, 175, 238)
HSL	hsl(208, 80%, 67%)
HSV	hsv(208, 57%, 93%)
CMYK	cmyk(57.1%, 26.5%, 0%, 6.7%)
CIE-LAB	lab(69.22, -4.79, -38.38)
CIE-LCH	lch(69.22, 38.68, 262.89°)
OKLab	oklab(73.21% -0.0472 -0.1078)
OKLCH	oklch(73.21% 0.118 246.3)
XYZ	xyz(36.2365, 39.6546, 86.6168)
Luminance	0.3966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AFEE #EEA566

analogous

#66EEE9 #66AFEE #666BEE

triadic

#66AFEE #EE66AF #AFEE66

tetradic

#66AFEE #E966EE #EEA566 #6BEE66

square

#66AFEE #E966EE #EEA566 #6BEE66

split-complementary

#66AFEE #EE666B #EEE966

monochromatic

#1673C4 #2F92E8 #66AFEE #9DCCF4 #D4E9FA

Accessibility & contrast

On white

2.35

#66AFEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.93

#66AFEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AFEE

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AFEE	#FFFFFF	#000000	##000000
##66AFEE	1.00	2.35	8.93	8.93
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.93	21.00	1.00	1.00
##000000	8.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B1F1

Deuteranopia (green-blind)

#82A3ED

Tritanopia (blue-blind)

#00BEC5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66afee;
/* rgb */ color: rgb(102, 175, 238);
/* oklch */ color: oklch(73.2% 0.118 246.3);

Tailwind

colors: {
  custom: {
    50: '#9bc6f3',
    500: '#66afee',
    950: '#000000',
  },
}

SCSS

$custom: #66afee;
$custom-light: #9bc6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66afee",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 238
  },
  "hsl": {
    "h": 207.794,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.7321,
    "c": 0.11768,
    "h": 246.3
  },
  "luminance": 0.39658
}

Semantic roles & 50–950 ramp

primary

#66AFEE

secondary

#EED6C2

accent

#6B09DC

background

#FAFCFE

surface

#F4F8FD

border

#CED1D5

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66AFEE

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

Preview Lab → · Contrast checker → · Palette generator →