#66C2F1#66C2F1

#66C2F1 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.6% C 0.110 H 232.9°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#66C2F1
RGB	rgb(102, 194, 241)
HSL	hsl(200, 83%, 67%)
HSV	hsv(200, 58%, 95%)
CMYK	cmyk(57.7%, 19.5%, 0%, 5.5%)
CIE-LAB	lab(74.67, -14.13, -31.56)
CIE-LCH	lch(74.67, 34.58, 245.88°)
OKLab	oklab(77.56% -0.0666 -0.0881)
OKLCH	oklch(77.56% 0.11 232.9)
XYZ	xyz(40.6424, 47.7554, 90.2779)
Luminance	0.4776 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C2F1 #F19566

analogous

#66F1DB #66C2F1 #667CF1

triadic

#66C2F1 #F166C2 #C2F166

tetradic

#66C2F1 #DB66F1 #F19566 #7CF166

square

#66C2F1 #DB66F1 #F19566 #7CF166

split-complementary

#66C2F1 #F1667C #F1DB66

monochromatic

#128CCA #2EACEC #66C2F1 #9ED8F6 #D6EFFB

Accessibility & contrast

On white

1.99

#66C2F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#66C2F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2F1

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C2F1	#FFFFFF	#000000	##000000
##66C2F1	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABC0F3

Deuteranopia (green-blind)

#98B1F0

Tritanopia (blue-blind)

#00CFD1

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66c2f1;
/* rgb */ color: rgb(102, 194, 241);
/* oklch */ color: oklch(77.6% 0.110 232.9);

Tailwind

colors: {
  custom: {
    50: '#9cd4f5',
    500: '#66c2f1',
    950: '#000000',
  },
}

SCSS

$custom: #66c2f1;
$custom-light: #9cd4f5;
$custom-dark: #000000;

JSON

{
  "hex": "#66c2f1",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 241
  },
  "hsl": {
    "h": 200.288,
    "s": 83.234,
    "l": 67.255
  },
  "oklch": {
    "l": 0.77563,
    "c": 0.11045,
    "h": 232.9
  },
  "luminance": 0.47759
}

Semantic roles & 50–950 ramp

primary

#66C2F1

secondary

#EFD2C3

accent

#4F06E0

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #66C2F1

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

Preview Lab → · Contrast checker → · Palette generator →