#66C2F3#66C2F3

#66C2F3 is a light, moderate cyan. Relative luminance 0.479; OKLCH L 77.6% C 0.112 H 234.0°. Best body text is #000000 at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#66C2F3
RGB	rgb(102, 194, 243)
HSL	hsl(201, 85%, 68%)
HSV	hsv(201, 58%, 95%)
CMYK	cmyk(58%, 20.2%, 0%, 4.7%)
CIE-LAB	lab(74.75, -13.53, -32.52)
CIE-LCH	lch(74.75, 35.23, 247.41°)
OKLab	oklab(77.65% -0.0659 -0.0909)
OKLCH	oklch(77.65% 0.112 234)
XYZ	xyz(40.9428, 47.8756, 91.8599)
Luminance	0.4788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C2F3 #F39766

analogous

#66F3DE #66C2F3 #667BF3

triadic

#66C2F3 #F366C2 #C2F366

tetradic

#66C2F3 #DE66F3 #F39766 #7BF366

square

#66C2F3 #DE66F3 #F39766 #7BF366

split-complementary

#66C2F3 #F3667B #F3DE66

monochromatic

#108CCE #2DABEF #66C2F3 #9FD9F7 #D7EFFC

Accessibility & contrast

On white

1.99

#66C2F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.58

#66C2F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2F3

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C2F3	#FFFFFF	#000000	##000000
##66C2F3	1.00	1.99	10.58	10.58
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.58	21.00	1.00	1.00
##000000	10.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAC0F5

Deuteranopia (green-blind)

#97B2F2

Tritanopia (blue-blind)

#00CFD2

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #66c2f3;
/* rgb */ color: rgb(102, 194, 243);
/* oklch */ color: oklch(77.6% 0.112 234.0);

Tailwind

colors: {
  custom: {
    50: '#9cd4f7',
    500: '#66c2f3',
    950: '#000000',
  },
}

SCSS

$custom: #66c2f3;
$custom-light: #9cd4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#66c2f3",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 243
  },
  "hsl": {
    "h": 200.851,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.77649,
    "c": 0.11226,
    "h": 234
  },
  "luminance": 0.47879
}

Semantic roles & 50–950 ramp

primary

#66C2F3

secondary

#F0D4C5

accent

#5104E2

background

#FAFDFF

surface

#F4FAFE

border

#CED3D6

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #66C2F3

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

Preview Lab → · Contrast checker → · Palette generator →