#66AEC0#66AEC0

#66AEC0 is a light, moderate cyan. Relative luminance 0.369; OKLCH L 71.0% C 0.077 H 215.7°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#66AEC0
RGB	rgb(102, 174, 192)
HSL	hsl(192, 42%, 58%)
HSV	hsv(192, 47%, 75%)
CMYK	cmyk(46.9%, 9.4%, 0%, 24.7%)
CIE-LAB	lab(67.20, -17.72, -16.21)
CIE-LCH	lch(67.20, 24.01, 222.45°)
OKLab	oklab(71.03% -0.0623 -0.0447)
OKLCH	oklch(71.03% 0.077 215.7)
XYZ	xyz(30.1264, 36.9003, 55.3939)
Luminance	0.3690 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AEC0 #C07866

analogous

#66C0A5 #66AEC0 #6681C0

triadic

#66AEC0 #C066AE #AEC066

tetradic

#66AEC0 #A566C0 #C07866 #81C066

square

#66AEC0 #A566C0 #C07866 #81C066

split-complementary

#66AEC0 #C06681 #C0A566

monochromatic

#326B7A #4492A5 #66AEC0 #91C5D2 #BDDCE4

Accessibility & contrast

On white

2.51

#66AEC0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#66AEC0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AEC0

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AEC0	#FFFFFF	#000000	##000000
##66AEC0	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1AAC1

Deuteranopia (green-blind)

#939FC0

Tritanopia (blue-blind)

#38B5B3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #66aec0;
/* rgb */ color: rgb(102, 174, 192);
/* oklch */ color: oklch(71.0% 0.077 215.7);

Tailwind

colors: {
  custom: {
    50: '#97c6d3',
    500: '#66aec0',
    950: '#000000',
  },
}

SCSS

$custom: #66aec0;
$custom-light: #97c6d3;
$custom-dark: #000000;

JSON

{
  "hex": "#66aec0",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 192
  },
  "hsl": {
    "h": 192,
    "s": 41.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.71033,
    "c": 0.07669,
    "h": 215.7
  },
  "luminance": 0.36903
}

Semantic roles & 50–950 ramp

primary

#66AEC0

secondary

#D3B6AF

accent

#6F56D1

background

#F9FCFC

surface

#F2F8F9

border

#CCD1D2

text

#0E1314

muted

#7E8282

Preview Lab

Preview with #66AEC0

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

Preview Lab → · Contrast checker → · Palette generator →