#66AEFF#66AEFF

#66AEFF is a light, vivid cyan. Relative luminance 0.403; OKLCH L 73.8% C 0.139 H 252.7°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#66AEFF
RGB	rgb(102, 174, 255)
HSL	hsl(212, 100%, 70%)
HSV	hsv(212, 60%, 100%)
CMYK	cmyk(60%, 31.8%, 0%, 0%)
CIE-LAB	lab(69.69, 1.10, -46.88)
CIE-LCH	lch(69.69, 46.89, 271.34°)
OKLab	oklab(73.82% -0.0413 -0.1324)
OKLCH	oklch(73.82% 0.139 252.7)
XYZ	xyz(38.6590, 40.3133, 100.3323)
Luminance	0.4032 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEFF #FFB766

analogous

#66FAFF #66AEFF #6B66FF

triadic

#66AEFF #FF66AE #AEFF66

tetradic

#66AEFF #FF66FA #FFB766 #66FF6B

square

#66AEFF #FF66FA #FFB766 #66FF6B

split-complementary

#66AEFF #FF6B66 #FAFF66

monochromatic

#006EEB #298EFF #66AEFF #A3CEFF #E0EFFF

Accessibility & contrast

On white

2.32

#66AEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#66AEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEFF

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEFF	#FFFFFF	#000000	##000000
##66AEFF	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CB2FF

Deuteranopia (green-blind)

#77A4FD

Tritanopia (blue-blind)

#00C1CB

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66aeff;
/* rgb */ color: rgb(102, 174, 255);
/* oklch */ color: oklch(73.8% 0.139 252.7);

Tailwind

colors: {
  custom: {
    50: '#9dc5ff',
    500: '#66aeff',
    950: '#000000',
  },
}

SCSS

$custom: #66aeff;
$custom-light: #9dc5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#66aeff",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 255
  },
  "hsl": {
    "h": 211.765,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.73824,
    "c": 0.13872,
    "h": 252.7
  },
  "luminance": 0.40317
}

Semantic roles & 50–950 ramp

primary

#66AEFF

secondary

#F6E2CB

accent

#7A00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #66AEFF

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

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