#66CCF2#66CCF2

#66CCF2 is a light, moderate cyan. Relative luminance 0.524; OKLCH L 79.9% C 0.109 H 225.1°. Best body text is #000000 at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#66CCF2
RGB	rgb(102, 204, 242)
HSL	hsl(196, 84%, 67%)
HSV	hsv(196, 58%, 95%)
CMYK	cmyk(57.9%, 15.7%, 0%, 5.1%)
CIE-LAB	lab(77.53, -19.03, -27.71)
CIE-LCH	lch(77.53, 33.61, 235.51°)
OKLab	oklab(79.85% -0.0768 -0.0771)
OKLCH	oklch(79.85% 0.109 225.1)
XYZ	xyz(43.0931, 52.4172, 91.8337)
Luminance	0.5242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CCF2 #F28C66

analogous

#66F2D2 #66CCF2 #6686F2

triadic

#66CCF2 #F266CC #CCF266

tetradic

#66CCF2 #D266F2 #F28C66 #86F266

square

#66CCF2 #D266F2 #F28C66 #86F266

split-complementary

#66CCF2 #F26686 #F2D266

monochromatic

#119ACC #2EB9ED #66CCF2 #9EDFF7 #D7F2FC

Accessibility & contrast

On white

1.83

#66CCF2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.48

#66CCF2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CCF2

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CCF2	#FFFFFF	#000000	##000000
##66CCF2	1.00	1.83	11.48	11.48
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.48	21.00	1.00	1.00
##000000	11.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C8F4

Deuteranopia (green-blind)

#A3B9F2

Tritanopia (blue-blind)

#00D7D8

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #66ccf2;
/* rgb */ color: rgb(102, 204, 242);
/* oklch */ color: oklch(79.9% 0.109 225.1);

Tailwind

colors: {
  custom: {
    50: '#9ddbf6',
    500: '#66ccf2',
    950: '#000000',
  },
}

SCSS

$custom: #66ccf2;
$custom-light: #9ddbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#66ccf2",
  "rgb": {
    "r": 102,
    "g": 204,
    "b": 242
  },
  "hsl": {
    "h": 196.286,
    "s": 84.337,
    "l": 67.451
  },
  "oklch": {
    "l": 0.79854,
    "c": 0.10887,
    "h": 225.1
  },
  "luminance": 0.52421
}

Semantic roles & 50–950 ramp

primary

#66CCF2

secondary

#C95C34

accent

#4005E1

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CCF2

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

Preview Lab → · Contrast checker → · Palette generator →