#66AED7#66AED7

#66AED7 is a light, moderate cyan. Relative luminance 0.380; OKLCH L 72.0% C 0.094 H 235.1°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#66AED7
RGB	rgb(102, 174, 215)
HSL	hsl(202, 59%, 62%)
HSV	hsv(202, 53%, 84%)
CMYK	cmyk(52.6%, 19.1%, 0%, 15.7%)
CIE-LAB	lab(68.02, -11.18, -27.65)
CIE-LCH	lch(68.02, 29.82, 247.99°)
OKLab	oklab(71.96% -0.0537 -0.077)
OKLCH	oklch(71.96% 0.094 235.1)
XYZ	xyz(32.8768, 38.0004, 69.8791)
Luminance	0.3800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AED7 #D78F66

analogous

#66D7C8 #66AED7 #6676D7

triadic

#66AED7 #D766AE #AED766

tetradic

#66AED7 #C866D7 #D78F66 #76D766

square

#66AED7 #C866D7 #D78F66 #76D766

split-complementary

#66AED7 #D76676 #D7C866

monochromatic

#28719A #3594CA #66AED7 #97C8E4 #C7E1F0

Accessibility & contrast

On white

2.44

#66AED7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#66AED7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AED7

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AED7	#FFFFFF	#000000	##000000
##66AED7	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BADD9

Deuteranopia (green-blind)

#8BA1D6

Tritanopia (blue-blind)

#1EB9BB

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #66aed7;
/* rgb */ color: rgb(102, 174, 215);
/* oklch */ color: oklch(72.0% 0.094 235.1);

Tailwind

colors: {
  custom: {
    50: '#99c6e3',
    500: '#66aed7',
    950: '#000000',
  },
}

SCSS

$custom: #66aed7;
$custom-light: #99c6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#66aed7",
  "rgb": {
    "r": 102,
    "g": 174,
    "b": 215
  },
  "hsl": {
    "h": 201.77,
    "s": 58.549,
    "l": 62.157
  },
  "oklch": {
    "l": 0.71956,
    "c": 0.09387,
    "h": 235.1
  },
  "luminance": 0.38003
}

Semantic roles & 50–950 ramp

primary

#66AED7

secondary

#E1C7B8

accent

#5C1FC6

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #66AED7

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

Preview Lab → · Contrast checker → · Palette generator →