#66C2F9#66C2F9

#66C2F9 is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.9% C 0.118 H 237.2°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#66C2F9
RGB	rgb(102, 194, 249)
HSL	hsl(202, 92%, 69%)
HSV	hsv(202, 59%, 98%)
CMYK	cmyk(59%, 22.1%, 0%, 2.4%)
CIE-LAB	lab(74.98, -11.72, -35.39)
CIE-LCH	lch(74.98, 37.28, 251.67°)
OKLab	oklab(77.91% -0.0639 -0.0991)
OKLCH	oklch(77.91% 0.118 237.2)
XYZ	xyz(41.8637, 48.2439, 96.7100)
Luminance	0.4825 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C2F9 #F99D66

analogous

#66F9E7 #66C2F9 #6679F9

triadic

#66C2F9 #F966C2 #C2F966

tetradic

#66C2F9 #E766F9 #F99D66 #79F966

square

#66C2F9 #E766F9 #F99D66 #79F966

split-complementary

#66C2F9 #F96679 #F9E766

monochromatic

#098DDC #2BABF7 #66C2F9 #A1D9FB #DCF1FE

Accessibility & contrast

On white

1.97

#66C2F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#66C2F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2F9

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C2F9	#FFFFFF	#000000	##000000
##66C2F9	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8C1FC

Deuteranopia (green-blind)

#94B2F8

Tritanopia (blue-blind)

#00D0D4

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66c2f9;
/* rgb */ color: rgb(102, 194, 249);
/* oklch */ color: oklch(77.9% 0.118 237.2);

Tailwind

colors: {
  custom: {
    50: '#9dd4fb',
    500: '#66c2f9',
    950: '#000000',
  },
}

SCSS

$custom: #66c2f9;
$custom-light: #9dd4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#66c2f9",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 249
  },
  "hsl": {
    "h": 202.449,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.7791,
    "c": 0.1179,
    "h": 237.2
  },
  "luminance": 0.48248
}

Semantic roles & 50–950 ramp

primary

#66C2F9

secondary

#F3D8C8

accent

#5600E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66C2F9

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

Preview Lab → · Contrast checker → · Palette generator →