#66CEEF#66CEEF

#66CEEF is a light, moderate cyan. Relative luminance 0.532; OKLCH L 80.2% C 0.107 H 221.4°. Best body text is #000000 at 11.64:1 contrast (WCAG AA passes).

Color values

HEX	#66CEEF
RGB	rgb(102, 206, 239)
HSL	hsl(194, 81%, 67%)
HSV	hsv(194, 57%, 94%)
CMYK	cmyk(57.3%, 13.8%, 0%, 6.3%)
CIE-LAB	lab(77.99, -20.92, -25.39)
CIE-LCH	lch(77.99, 32.90, 230.52°)
OKLab	oklab(80.19% -0.0801 -0.0706)
OKLCH	oklch(80.19% 0.107 221.4)
XYZ	xyz(43.1247, 53.1952, 89.6397)
Luminance	0.5320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CEEF #EF8766

analogous

#66EFCC #66CEEF #6689EF

triadic

#66CEEF #EF66CE #CEEF66

tetradic

#66CEEF #CC66EF #EF8766 #89EF66

square

#66CEEF #CC66EF #EF8766 #89EF66

split-complementary

#66CEEF #EF6689 #EFCC66

monochromatic

#159BC6 #2FBCE9 #66CEEF #9DE0F5 #D5F1FB

Accessibility & contrast

On white

1.80

#66CEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.64

#66CEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CEEF

11.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CEEF	#FFFFFF	#000000	##000000
##66CEEF	1.00	1.80	11.64	11.64
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.64	21.00	1.00	1.00
##000000	11.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC9F1

Deuteranopia (green-blind)

#A6BAEF

Tritanopia (blue-blind)

#00D9D8

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #66ceef;
/* rgb */ color: rgb(102, 206, 239);
/* oklch */ color: oklch(80.2% 0.107 221.4);

Tailwind

colors: {
  custom: {
    50: '#9dddf4',
    500: '#66ceef',
    950: '#000000',
  },
}

SCSS

$custom: #66ceef;
$custom-light: #9dddf4;
$custom-dark: #000000;

JSON

{
  "hex": "#66ceef",
  "rgb": {
    "r": 102,
    "g": 206,
    "b": 239
  },
  "hsl": {
    "h": 194.453,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.80186,
    "c": 0.10672,
    "h": 221.4
  },
  "luminance": 0.53199
}

Semantic roles & 50–950 ramp

primary

#66CEEF

secondary

#C35836

accent

#3B08DD

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CEEF

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

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