#66AEF7#66AEF7

#66AEF7 is a light, vivid cyan. Relative luminance 0.398; OKLCH L 73.4% C 0.129 H 250.3°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#66AEF7
RGB	rgb(102, 174, 247)
HSL	hsl(210, 90%, 68%)
HSV	hsv(210, 59%, 97%)
CMYK	cmyk(58.7%, 29.6%, 0%, 3.1%)
CIE-LAB	lab(69.33, -1.43, -43.10)
CIE-LCH	lch(69.33, 43.13, 268.10°)
OKLab	oklab(73.43% -0.0435 -0.1215)
OKLCH	oklch(73.43% 0.129 250.3)
XYZ	xyz(37.3980, 39.8089, 93.6907)
Luminance	0.3981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEF7 #F7AF66

analogous

#66F6F7 #66AEF7 #6666F7

triadic

#66AEF7 #F766AE #AEF766

tetradic

#66AEF7 #F766F6 #F7AF66 #66F766

square

#66AEF7 #F766F6 #F7AF66 #66F766

split-complementary

#66AEF7 #F76666 #F6F766

monochromatic

#0B71D7 #2C8FF4 #66AEF7 #A0CDFA #DAECFD

Accessibility & contrast

On white

2.34

#66AEF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#66AEF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEF7

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEF7	#FFFFFF	#000000	##000000
##66AEF7	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FB1FA

Deuteranopia (green-blind)

#7CA3F6

Tritanopia (blue-blind)

#00BFC8

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #66aef7;
/* rgb */ color: rgb(102, 174, 247);
/* oklch */ color: oklch(73.4% 0.129 250.3);

Tailwind

colors: {
  custom: {
    50: '#9cc5fa',
    500: '#66aef7',
    950: '#000000',
  },
}

SCSS

$custom: #66aef7;
$custom-light: #9cc5fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66aef7",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 247
  },
  "hsl": {
    "h": 210.207,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73425,
    "c": 0.12902,
    "h": 250.3
  },
  "luminance": 0.39812
}

Semantic roles & 50–950 ramp

primary

#66AEF7

secondary

#F2DDC7

accent

#7400E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66AEF7

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

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