#66A8FC#66A8FC

#66A8FC is a light, vivid cyan. Relative luminance 0.379; OKLCH L 72.4% C 0.141 H 255.2°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#66A8FC
RGB	rgb(102, 168, 252)
HSL	hsl(214, 96%, 69%)
HSV	hsv(214, 60%, 99%)
CMYK	cmyk(59.5%, 33.3%, 0%, 1.2%)
CIE-LAB	lab(67.91, 3.54, -48.05)
CIE-LCH	lch(67.91, 48.18, 274.21°)
OKLab	oklab(72.39% -0.0359 -0.1359)
OKLCH	oklch(72.39% 0.141 255.2)
XYZ	xyz(37.0465, 37.8550, 97.4310)
Luminance	0.3786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66A8FC #FCBA66

analogous

#66F3FC #66A8FC #6F66FC

triadic

#66A8FC #FC66A8 #A8FC66

tetradic

#66A8FC #FC66F3 #FCBA66 #66FC6F

square

#66A8FC #FC66F3 #FCBA66 #66FC6F

split-complementary

#66A8FC #FC6F66 #F3FC66

monochromatic

#0466E3 #2A86FB #66A8FC #A2CAFD #DEECFE

Accessibility & contrast

On white

2.45

#66A8FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#66A8FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A8FC

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66A8FC	#FFFFFF	#000000	##000000
##66A8FC	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85ADFF

Deuteranopia (green-blind)

#719FFA

Tritanopia (blue-blind)

#00BBC6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #66a8fc;
/* rgb */ color: rgb(102, 168, 252);
/* oklch */ color: oklch(72.4% 0.141 255.2);

Tailwind

colors: {
  custom: {
    50: '#9dc1fe',
    500: '#66a8fc',
    950: '#000000',
  },
}

SCSS

$custom: #66a8fc;
$custom-light: #9dc1fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66a8fc",
  "rgb": {
    "r": 102,
    "g": 168,
    "b": 252
  },
  "hsl": {
    "h": 213.6,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.72387,
    "c": 0.14056,
    "h": 255.2
  },
  "luminance": 0.37858
}

Semantic roles & 50–950 ramp

primary

#66A8FC

secondary

#F5E1C9

accent

#8100E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #66A8FC

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

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