#66CBEE#66CBEE

#66CBEE is a light, moderate cyan. Relative luminance 0.517; OKLCH L 79.5% C 0.106 H 223.3°. Best body text is #000000 at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#66CBEE
RGB	rgb(102, 203, 238)
HSL	hsl(195, 80%, 67%)
HSV	hsv(195, 57%, 93%)
CMYK	cmyk(57.1%, 14.7%, 0%, 6.7%)
CIE-LAB	lab(77.10, -19.68, -26.21)
CIE-LCH	lch(77.10, 32.78, 233.09°)
OKLab	oklab(79.47% -0.0772 -0.0729)
OKLCH	oklch(79.47% 0.106 223.3)
XYZ	xyz(42.2620, 51.7057, 88.6254)
Luminance	0.5171 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66CBEE #EE8966

analogous

#66EECD #66CBEE #6687EE

triadic

#66CBEE #EE66CB #CBEE66

tetradic

#66CBEE #CD66EE #EE8966 #87EE66

square

#66CBEE #CD66EE #EE8966 #87EE66

split-complementary

#66CBEE #EE6687 #EECD66

monochromatic

#1697C4 #2FB8E8 #66CBEE #9DDEF4 #D4F0FA

Accessibility & contrast

On white

1.85

#66CBEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.34

#66CBEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66CBEE

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66CBEE	#FFFFFF	#000000	##000000
##66CBEE	1.00	1.85	11.34	11.34
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.34	21.00	1.00	1.00
##000000	11.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C7F0

Deuteranopia (green-blind)

#A3B8EE

Tritanopia (blue-blind)

#00D6D6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #66cbee;
/* rgb */ color: rgb(102, 203, 238);
/* oklch */ color: oklch(79.5% 0.106 223.3);

Tailwind

colors: {
  custom: {
    50: '#9cdbf3',
    500: '#66cbee',
    950: '#000000',
  },
}

SCSS

$custom: #66cbee;
$custom-light: #9cdbf3;
$custom-dark: #000000;

JSON

{
  "hex": "#66cbee",
  "rgb": {
    "r": 102,
    "g": 203,
    "b": 238
  },
  "hsl": {
    "h": 195.441,
    "s": 80,
    "l": 66.667
  },
  "oklch": {
    "l": 0.79467,
    "c": 0.1062,
    "h": 223.3
  },
  "luminance": 0.5171
}

Semantic roles & 50–950 ramp

primary

#66CBEE

secondary

#C25A37

accent

#4009DC

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #66CBEE

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

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