#66BEE2#66BEE2

#66BEE2 is a light, moderate cyan. Relative luminance 0.451; OKLCH L 76.0% C 0.099 H 227.0°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#66BEE2
RGB	rgb(102, 190, 226)
HSL	hsl(197, 68%, 64%)
HSV	hsv(197, 55%, 89%)
CMYK	cmyk(54.9%, 15.9%, 0%, 11.4%)
CIE-LAB	lab(72.98, -16.45, -26.04)
CIE-LCH	lch(72.98, 30.81, 237.71°)
OKLab	oklab(76.04% -0.0676 -0.0724)
OKLCH	oklch(76.04% 0.099 227)
XYZ	xyz(37.6152, 45.1393, 78.6672)
Luminance	0.4514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66BEE2 #E28A66

analogous

#66E2C8 #66BEE2 #6680E2

triadic

#66BEE2 #E266BE #BEE266

tetradic

#66BEE2 #C866E2 #E28A66 #80E266

square

#66BEE2 #C866E2 #E28A66 #80E266

split-complementary

#66BEE2 #E26680 #E2C866

monochromatic

#2184AD #33A8D8 #66BEE2 #99D4EC #CDEAF6

Accessibility & contrast

On white

2.09

#66BEE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#66BEE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BEE2

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66BEE2	#FFFFFF	#000000	##000000
##66BEE2	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBBE4

Deuteranopia (green-blind)

#99ADE2

Tritanopia (blue-blind)

#00C9CA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #66bee2;
/* rgb */ color: rgb(102, 190, 226);
/* oklch */ color: oklch(76.0% 0.099 227.0);

Tailwind

colors: {
  custom: {
    50: '#9bd1eb',
    500: '#66bee2',
    950: '#000000',
  },
}

SCSS

$custom: #66bee2;
$custom-light: #9bd1eb;
$custom-dark: #000000;

JSON

{
  "hex": "#66bee2",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 226
  },
  "hsl": {
    "h": 197.419,
    "s": 68.132,
    "l": 64.314
  },
  "oklch": {
    "l": 0.76037,
    "c": 0.09907,
    "h": 227
  },
  "luminance": 0.45143
}

Semantic roles & 50–950 ramp

primary

#66BEE2

secondary

#E7C9BC

accent

#4C15D0

background

#FAFCFE

surface

#F3F9FD

border

#CDD2D5

text

#0F1416

muted

#7F8284

Preview Lab

Preview with #66BEE2

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

Preview Lab → · Contrast checker → · Palette generator →