#66ACCC#66ACCC

#66ACCC is a light, moderate cyan. Relative luminance 0.367; OKLCH L 71.0% C 0.085 H 229.2°. Best body text is #000000 at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#66ACCC
RGB	rgb(102, 172, 204)
HSL	hsl(199, 50%, 60%)
HSV	hsv(199, 50%, 80%)
CMYK	cmyk(50%, 15.7%, 0%, 20%)
CIE-LAB	lab(67.04, -13.29, -23.09)
CIE-LCH	lch(67.04, 26.64, 240.07°)
OKLab	oklab(71.04% -0.0554 -0.064)
OKLCH	oklch(71.04% 0.085 229.2)
XYZ	xyz(31.1271, 36.6869, 62.5560)
Luminance	0.3669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACCC #CC8666

analogous

#66CCB9 #66ACCC #6679CC

triadic

#66ACCC #CC66AC #ACCC66

tetradic

#66ACCC #B966CC #CC8666 #79CC66

square

#66ACCC #B966CC #CC8666 #79CC66

split-complementary

#66ACCC #CC6679 #CCB966

monochromatic

#2E6D8A #3D91B8 #66ACCC #94C5DB #C2DEEB

Accessibility & contrast

On white

2.52

#66ACCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.34

#66ACCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACCC

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACCC	#FFFFFF	#000000	##000000
##66ACCC	1.00	2.52	8.34	8.34
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.34	21.00	1.00	1.00
##000000	8.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAACE

Deuteranopia (green-blind)

#8D9ECC

Tritanopia (blue-blind)

#2EB5B6

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #66accc;
/* rgb */ color: rgb(102, 172, 204);
/* oklch */ color: oklch(71.0% 0.085 229.2);

Tailwind

colors: {
  custom: {
    50: '#98c4db',
    500: '#66accc',
    950: '#000000',
  },
}

SCSS

$custom: #66accc;
$custom-light: #98c4db;
$custom-dark: #000000;

JSON

{
  "hex": "#66accc",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 204
  },
  "hsl": {
    "h": 198.824,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.71043,
    "c": 0.08466,
    "h": 229.2
  },
  "luminance": 0.36689
}

Semantic roles & 50–950 ramp

primary

#66ACCC

secondary

#DBC0B3

accent

#7A4EDA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #66ACCC

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

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