#66ACFC#66ACFC

#66ACFC is a light, vivid cyan. Relative luminance 0.394; OKLCH L 73.2% C 0.137 H 253.0°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#66ACFC
RGB	rgb(102, 172, 252)
HSL	hsl(212, 96%, 69%)
HSV	hsv(212, 60%, 99%)
CMYK	cmyk(59.5%, 31.7%, 0%, 1.2%)
CIE-LAB	lab(69.01, 1.27, -46.33)
CIE-LCH	lch(69.01, 46.34, 271.57°)
OKLab	oklab(73.24% -0.0401 -0.1308)
OKLCH	oklch(73.24% 0.137 253)
XYZ	xyz(37.7964, 39.3547, 97.6810)
Luminance	0.3936 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACFC #FCB666

analogous

#66F7FC #66ACFC #6B66FC

triadic

#66ACFC #FC66AC #ACFC66

tetradic

#66ACFC #FC66F7 #FCB666 #66FC6B

square

#66ACFC #FC66F7 #FCB666 #66FC6B

split-complementary

#66ACFC #FC6B66 #F7FC66

monochromatic

#046CE3 #2A8BFB #66ACFC #A2CDFD #DEEDFE

Accessibility & contrast

On white

2.37

#66ACFC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#66ACFC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACFC

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACFC	#FFFFFF	#000000	##000000
##66ACFC	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AB0FF

Deuteranopia (green-blind)

#76A2FA

Tritanopia (blue-blind)

#00BEC9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #66acfc;
/* rgb */ color: rgb(102, 172, 252);
/* oklch */ color: oklch(73.2% 0.137 253.0);

Tailwind

colors: {
  custom: {
    50: '#9dc4fd',
    500: '#66acfc',
    950: '#000000',
  },
}

SCSS

$custom: #66acfc;
$custom-light: #9dc4fd;
$custom-dark: #000000;

JSON

{
  "hex": "#66acfc",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 252
  },
  "hsl": {
    "h": 212,
    "s": 96.154,
    "l": 69.412
  },
  "oklch": {
    "l": 0.73243,
    "c": 0.13684,
    "h": 253
  },
  "luminance": 0.39358
}

Semantic roles & 50–950 ramp

primary

#66ACFC

secondary

#F5E0C9

accent

#7A00E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1218

muted

#7F8186

Preview Lab

Preview with #66ACFC

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

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