#66D2F8#66D2F8

#66D2F8 is a light, moderate cyan. Relative luminance 0.557; OKLCH L 81.4% C 0.112 H 223.9°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#66D2F8
RGB	rgb(102, 210, 248)
HSL	hsl(196, 91%, 69%)
HSV	hsv(196, 59%, 97%)
CMYK	cmyk(58.9%, 15.3%, 0%, 2.7%)
CIE-LAB	lab(79.44, -20.34, -27.99)
CIE-LCH	lch(79.44, 34.60, 233.99°)
OKLab	oklab(81.45% -0.081 -0.0779)
OKLCH	oklch(81.45% 0.112 223.9)
XYZ	xyz(45.4627, 55.6908, 97.1423)
Luminance	0.5569 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66D2F8 #F88C66

analogous

#66F8D5 #66D2F8 #6689F8

triadic

#66D2F8 #F866D2 #D2F866

tetradic

#66D2F8 #D566F8 #F88C66 #89F866

square

#66D2F8 #D566F8 #F88C66 #89F866

split-complementary

#66D2F8 #F86689 #F8D566

monochromatic

#0AA4DA #2BC1F5 #66D2F8 #A1E3FB #DBF4FD

Accessibility & contrast

On white

1.73

#66D2F8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#66D2F8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66D2F8

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66D2F8	#FFFFFF	#000000	##000000
##66D2F8	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCEFA

Deuteranopia (green-blind)

#A8BEF8

Tritanopia (blue-blind)

#00DEDE

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #66d2f8;
/* rgb */ color: rgb(102, 210, 248);
/* oklch */ color: oklch(81.4% 0.112 223.9);

Tailwind

colors: {
  custom: {
    50: '#9ee0fa',
    500: '#66d2f8',
    950: '#000000',
  },
}

SCSS

$custom: #66d2f8;
$custom-light: #9ee0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66d2f8",
  "rgb": {
    "r": 102,
    "g": 210,
    "b": 248
  },
  "hsl": {
    "h": 195.616,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.81448,
    "c": 0.11236,
    "h": 223.9
  },
  "luminance": 0.55695
}

Semantic roles & 50–950 ramp

primary

#66D2F8

secondary

#D25B31

accent

#3C00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #66D2F8

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

Preview Lab → · Contrast checker → · Palette generator →