#66CAEB#66CAEB

#66CAEB is a light, moderate cyan. Relative luminance 0.511; OKLCH L 79.1% C 0.104 H 222.2°. Best body text is #000000 at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#66CAEB
RGB	rgb(102, 202, 235)
HSL	hsl(195, 77%, 66%)
HSV	hsv(195, 57%, 92%)
CMYK	cmyk(56.6%, 14%, 0%, 7.8%)
CIE-LAB	lab(76.72, -20.04, -25.20)
CIE-LCH	lch(76.72, 32.19, 231.50°)
OKLab	oklab(79.12% -0.0773 -0.07)
OKLCH	oklch(79.12% 0.104 222.2)
XYZ	xyz(41.5896, 51.0601, 86.2450)
Luminance	0.5106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CAEB #EB8766

analogous

#66EBC9 #66CAEB #6687EB

triadic

#66CAEB #EB66CA #CAEB66

tetradic

#66CAEB #C966EB #EB8766 #87EB66

square

#66CAEB #C966EB #EB8766 #87EB66

split-complementary

#66CAEB #EB6687 #EBC966

monochromatic

#1995BE #30B7E4 #66CAEB #9CDDF2 #D2EFF9

Accessibility & contrast

On white

1.87

#66CAEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.21

#66CAEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CAEB

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CAEB	#FFFFFF	#000000	##000000
##66CAEB	1.00	1.87	11.21	11.21
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.21	21.00	1.00	1.00
##000000	11.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C6ED

Deuteranopia (green-blind)

#A3B7EB

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #66caeb;
/* rgb */ color: rgb(102, 202, 235);
/* oklch */ color: oklch(79.1% 0.104 222.2);

Tailwind

colors: {
  custom: {
    50: '#9cdaf1',
    500: '#66caeb',
    950: '#000000',
  },
}

SCSS

$custom: #66caeb;
$custom-light: #9cdaf1;
$custom-dark: #000000;

JSON

{
  "hex": "#66caeb",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 235
  },
  "hsl": {
    "h": 194.887,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.79121,
    "c": 0.10428,
    "h": 222.2
  },
  "luminance": 0.51064
}

Semantic roles & 50–950 ramp

primary

#66CAEB

secondary

#BD5939

accent

#3F0CD9

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1416

muted

#808385

Preview Lab

Preview with #66CAEB

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

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