#66ACED#66ACED

#66ACED is a light, moderate cyan. Relative luminance 0.384; OKLCH L 72.5% C 0.119 H 248.1°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#66ACED
RGB	rgb(102, 172, 237)
HSL	hsl(209, 79%, 66%)
HSV	hsv(209, 57%, 93%)
CMYK	cmyk(57%, 27.4%, 0%, 7.1%)
CIE-LAB	lab(68.34, -3.43, -39.20)
CIE-LCH	lch(68.34, 39.35, 265.00°)
OKLab	oklab(72.51% -0.0443 -0.1102)
OKLCH	oklch(72.51% 0.119 248.1)
XYZ	xyz(35.5125, 38.4411, 85.6528)
Luminance	0.3844 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ACED #EDA766

analogous

#66EDEB #66ACED #6669ED

triadic

#66ACED #ED66AC #ACED66

tetradic

#66ACED #EB66ED #EDA766 #69ED66

square

#66ACED #EB66ED #EDA766 #69ED66

split-complementary

#66ACED #ED6669 #EDEB66

monochromatic

#176FC2 #2F8EE7 #66ACED #9DCAF3 #D4E7FA

Accessibility & contrast

On white

2.42

#66ACED on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#66ACED on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ACED

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ACED	#FFFFFF	#000000	##000000
##66ACED	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AEF0

Deuteranopia (green-blind)

#7FA1EC

Tritanopia (blue-blind)

#00BBC3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66aced;
/* rgb */ color: rgb(102, 172, 237);
/* oklch */ color: oklch(72.5% 0.119 248.1);

Tailwind

colors: {
  custom: {
    50: '#9bc4f3',
    500: '#66aced',
    950: '#000000',
  },
}

SCSS

$custom: #66aced;
$custom-light: #9bc4f3;
$custom-dark: #000000;

JSON

{
  "hex": "#66aced",
  "rgb": {
    "r": 102,
    "g": 172,
    "b": 237
  },
  "hsl": {
    "h": 208.889,
    "s": 78.947,
    "l": 66.471
  },
  "oklch": {
    "l": 0.72505,
    "c": 0.11876,
    "h": 248.1
  },
  "luminance": 0.38444
}

Semantic roles & 50–950 ramp

primary

#66ACED

secondary

#EDD7C2

accent

#6F0ADB

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66ACED

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

Preview Lab → · Contrast checker → · Palette generator →