#66CAFB#66CAFB

#66CAFB is a light, moderate cyan. Relative luminance 0.520; OKLCH L 79.8% C 0.116 H 232.1°. Best body text is #000000 at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#66CAFB
RGB	rgb(102, 202, 251)
HSL	hsl(200, 95%, 69%)
HSV	hsv(200, 59%, 98%)
CMYK	cmyk(59.4%, 19.5%, 0%, 1.6%)
CIE-LAB	lab(77.30, -15.33, -32.88)
CIE-LCH	lch(77.30, 36.28, 245.00°)
OKLab	oklab(79.78% -0.0716 -0.0919)
OKLCH	oklch(79.78% 0.116 232.1)
XYZ	xyz(44.0059, 52.0266, 98.9711)
Luminance	0.5203 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CAFB #FB9766

analogous

#66FBE2 #66CAFB #6680FB

triadic

#66CAFB #FB66CA #CAFB66

tetradic

#66CAFB #E266FB #FB9766 #80FB66

square

#66CAFB #E266FB #FB9766 #80FB66

split-complementary

#66CAFB #FB6680 #FBE266

monochromatic

#0699E1 #2AB5F9 #66CAFB #A2DFFD #DDF3FE

Accessibility & contrast

On white

1.84

#66CAFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.41

#66CAFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CAFB

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CAFB	#FFFFFF	#000000	##000000
##66CAFB	1.00	1.84	11.41	11.41
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.41	21.00	1.00	1.00
##000000	11.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C8FD

Deuteranopia (green-blind)

#9DB8FA

Tritanopia (blue-blind)

#00D7DA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #66cafb;
/* rgb */ color: rgb(102, 202, 251);
/* oklch */ color: oklch(79.8% 0.116 232.1);

Tailwind

colors: {
  custom: {
    50: '#9edafc',
    500: '#66cafb',
    950: '#000000',
  },
}

SCSS

$custom: #66cafb;
$custom-light: #9edafc;
$custom-dark: #000000;

JSON

{
  "hex": "#66cafb",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 251
  },
  "hsl": {
    "h": 199.732,
    "s": 94.904,
    "l": 69.216
  },
  "oklch": {
    "l": 0.79777,
    "c": 0.11645,
    "h": 232.1
  },
  "luminance": 0.52031
}

Semantic roles & 50–950 ramp

primary

#66CAFB

secondary

#D56630

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #66CAFB

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

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