#66CAEE#66CAEE

#66CAEE is a light, moderate cyan. Relative luminance 0.512; OKLCH L 79.2% C 0.106 H 224.2°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#66CAEE
RGB	rgb(102, 202, 238)
HSL	hsl(196, 80%, 67%)
HSV	hsv(196, 57%, 93%)
CMYK	cmyk(57.1%, 15.1%, 0%, 6.7%)
CIE-LAB	lab(76.82, -19.17, -26.65)
CIE-LCH	lch(76.82, 32.83, 234.26°)
OKLab	oklab(79.24% -0.0762 -0.0741)
OKLCH	oklch(79.24% 0.106 224.2)
XYZ	xyz(42.0266, 51.2349, 88.5469)
Luminance	0.5124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CAEE #EE8A66

analogous

#66EECE #66CAEE #6686EE

triadic

#66CAEE #EE66CA #CAEE66

tetradic

#66CAEE #CE66EE #EE8A66 #86EE66

square

#66CAEE #CE66EE #EE8A66 #86EE66

split-complementary

#66CAEE #EE6686 #EECE66

monochromatic

#1696C4 #2FB7E8 #66CAEE #9DDDF4 #D4F0FA

Accessibility & contrast

On white

1.87

#66CAEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#66CAEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CAEE

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CAEE	#FFFFFF	#000000	##000000
##66CAEE	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C6F0

Deuteranopia (green-blind)

#A2B7EE

Tritanopia (blue-blind)

#00D5D5

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66caee;
/* rgb */ color: rgb(102, 202, 238);
/* oklch */ color: oklch(79.2% 0.106 224.2);

Tailwind

colors: {
  custom: {
    50: '#9cdaf3',
    500: '#66caee',
    950: '#000000',
  },
}

SCSS

$custom: #66caee;
$custom-light: #9cdaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#66caee",
  "rgb": {
    "r": 102,
    "g": 202,
    "b": 238
  },
  "hsl": {
    "h": 195.882,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.79241,
    "c": 0.10628,
    "h": 224.2
  },
  "luminance": 0.51239
}

Semantic roles & 50–950 ramp

primary

#66CAEE

secondary

#C25B37

accent

#4109DC

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #66CAEE

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

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