#66D2F5#66D2F5

#66D2F5 is a light, moderate cyan. Relative luminance 0.555; OKLCH L 81.3% C 0.110 H 222.0°. Best body text is #000000 at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#66D2F5
RGB	rgb(102, 210, 245)
HSL	hsl(195, 88%, 68%)
HSV	hsv(195, 58%, 96%)
CMYK	cmyk(58.4%, 14.3%, 0%, 3.9%)
CIE-LAB	lab(79.33, -21.21, -26.55)
CIE-LCH	lch(79.33, 33.98, 231.38°)
OKLab	oklab(81.33% -0.082 -0.0738)
OKLCH	oklch(81.33% 0.11 222)
XYZ	xyz(45.0010, 55.5061, 94.7107)
Luminance	0.5551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D2F5 #F58966

analogous

#66F5D0 #66D2F5 #668AF5

triadic

#66D2F5 #F566D2 #D2F566

tetradic

#66D2F5 #D066F5 #F58966 #8AF566

square

#66D2F5 #D066F5 #F58966 #8AF566

split-complementary

#66D2F5 #F5668A #F5D066

monochromatic

#0EA3D3 #2DC1F1 #66D2F5 #9FE3F9 #D9F4FD

Accessibility & contrast

On white

1.74

#66D2F5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.10

#66D2F5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D2F5

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D2F5	#FFFFFF	#000000	##000000
##66D2F5	1.00	1.74	12.10	12.10
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.10	21.00	1.00	1.00
##000000	12.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCDF7

Deuteranopia (green-blind)

#A9BEF5

Tritanopia (blue-blind)

#00DDDD

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #66d2f5;
/* rgb */ color: rgb(102, 210, 245);
/* oklch */ color: oklch(81.3% 0.110 222.0);

Tailwind

colors: {
  custom: {
    50: '#9de0f8',
    500: '#66d2f5',
    950: '#000000',
  },
}

SCSS

$custom: #66d2f5;
$custom-light: #9de0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#66d2f5",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 245
  },
  "hsl": {
    "h": 194.685,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.81329,
    "c": 0.11038,
    "h": 222
  },
  "luminance": 0.55511
}

Semantic roles & 50–950 ramp

primary

#66D2F5

secondary

#CE5831

accent

#3901E4

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #66D2F5

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

Preview Lab → · Contrast checker → · Palette generator →