#66ABCC#66ABCC

#66ABCC is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.8% C 0.085 H 230.3°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#66ABCC
RGB	rgb(102, 171, 204)
HSL	hsl(199, 50%, 60%)
HSV	hsv(199, 50%, 80%)
CMYK	cmyk(50%, 16.2%, 0%, 20%)
CIE-LAB	lab(66.75, -12.76, -23.53)
CIE-LCH	lch(66.75, 26.76, 241.53°)
OKLab	oklab(70.82% -0.0542 -0.0653)
OKLCH	oklch(70.82% 0.085 230.3)
XYZ	xyz(30.9375, 36.3077, 62.4928)
Luminance	0.3631 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABCC #CC8766

analogous

#66CCBA #66ABCC #6678CC

triadic

#66ABCC #CC66AB #ABCC66

tetradic

#66ABCC #BA66CC #CC8766 #78CC66

square

#66ABCC #BA66CC #CC8766 #78CC66

split-complementary

#66ABCC #CC6678 #CCBA66

monochromatic

#2E6C8A #3D90B8 #66ABCC #94C4DB #C2DDEB

Accessibility & contrast

On white

2.54

#66ABCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#66ABCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABCC

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABCC	#FFFFFF	#000000	##000000
##66ABCC	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA9CE

Deuteranopia (green-blind)

#8C9ECC

Tritanopia (blue-blind)

#2EB4B6

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #66abcc;
/* rgb */ color: rgb(102, 171, 204);
/* oklch */ color: oklch(70.8% 0.085 230.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#66abcc",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 204
  },
  "hsl": {
    "h": 199.412,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.70815,
    "c": 0.08485,
    "h": 230.3
  },
  "luminance": 0.3631
}

Semantic roles & 50–950 ramp

primary

#66ABCC

secondary

#DBC0B3

accent

#7B4EDA

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1215

muted

#7E8183

Preview Lab

Preview with #66ABCC

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

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