#66C2FD#66C2FD

#66C2FD is a light, vivid cyan. Relative luminance 0.485; OKLCH L 78.1% C 0.122 H 239.1°. Best body text is #000000 at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#66C2FD
RGB	rgb(102, 194, 253)
HSL	hsl(203, 97%, 70%)
HSV	hsv(203, 60%, 99%)
CMYK	cmyk(59.7%, 23.3%, 0%, 0.8%)
CIE-LAB	lab(75.14, -10.50, -37.29)
CIE-LCH	lch(75.14, 38.74, 254.27°)
OKLab	oklab(78.09% -0.0626 -0.1045)
OKLCH	oklch(78.09% 0.122 239.1)
XYZ	xyz(42.4942, 48.4961, 100.0307)
Luminance	0.4850 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66C2FD #FDA166

analogous

#66FDED #66C2FD #6677FD

triadic

#66C2FD #FD66C2 #C2FD66

tetradic

#66C2FD #ED66FD #FDA166 #77FD66

square

#66C2FD #ED66FD #FDA166 #77FD66

split-complementary

#66C2FD #FD6677 #FDED66

monochromatic

#038DE6 #2AAAFC #66C2FD #A2DAFE #DFF2FF

Accessibility & contrast

On white

1.96

#66C2FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.70

#66C2FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66C2FD

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66C2FD	#FFFFFF	#000000	##000000
##66C2FD	1.00	1.96	10.70	10.70
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.70	21.00	1.00	1.00
##000000	10.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7C2FF

Deuteranopia (green-blind)

#92B2FC

Tritanopia (blue-blind)

#00D1D6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #66c2fd;
/* rgb */ color: rgb(102, 194, 253);
/* oklch */ color: oklch(78.1% 0.122 239.1);

Tailwind

colors: {
  custom: {
    50: '#9dd4fe',
    500: '#66c2fd',
    950: '#000000',
  },
}

SCSS

$custom: #66c2fd;
$custom-light: #9dd4fe;
$custom-dark: #000000;

JSON

{
  "hex": "#66c2fd",
  "rgb": {
    "r": 102,
    "g": 194,
    "b": 253
  },
  "hsl": {
    "h": 203.444,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.78088,
    "c": 0.12186,
    "h": 239.1
  },
  "luminance": 0.485
}

Semantic roles & 50–950 ramp

primary

#66C2FD

secondary

#F5DBCA

accent

#5A00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #66C2FD

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

Preview Lab → · Contrast checker → · Palette generator →