#66ABF7#66ABF7

#66ABF7 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.8% C 0.132 H 252.1°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#66ABF7
RGB	rgb(102, 171, 247)
HSL	hsl(211, 90%, 68%)
HSV	hsv(211, 59%, 97%)
CMYK	cmyk(58.7%, 30.8%, 0%, 3.1%)
CIE-LAB	lab(68.51, 0.25, -44.40)
CIE-LCH	lch(68.51, 44.40, 270.33°)
OKLab	oklab(72.78% -0.0404 -0.1252)
OKLCH	oklch(72.78% 0.132 252.1)
XYZ	xyz(36.8249, 38.6627, 93.4997)
Luminance	0.3867 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66ABF7 #F7B266

analogous

#66F4F7 #66ABF7 #6966F7

triadic

#66ABF7 #F766AB #ABF766

tetradic

#66ABF7 #F766F4 #F7B266 #66F769

square

#66ABF7 #F766F4 #F7B266 #66F769

split-complementary

#66ABF7 #F76966 #F4F766

monochromatic

#0B6CD7 #2C8BF4 #66ABF7 #A0CBFA #DAEBFD

Accessibility & contrast

On white

2.40

#66ABF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#66ABF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABF7

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66ABF7	#FFFFFF	#000000	##000000
##66ABF7	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BAFFA

Deuteranopia (green-blind)

#78A1F5

Tritanopia (blue-blind)

#00BDC6

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #66abf7;
/* rgb */ color: rgb(102, 171, 247);
/* oklch */ color: oklch(72.8% 0.132 252.1);

Tailwind

colors: {
  custom: {
    50: '#9cc3fa',
    500: '#66abf7',
    950: '#000000',
  },
}

SCSS

$custom: #66abf7;
$custom-light: #9cc3fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66abf7",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 247
  },
  "hsl": {
    "h": 211.448,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.72776,
    "c": 0.13159,
    "h": 252.1
  },
  "luminance": 0.38666
}

Semantic roles & 50–950 ramp

primary

#66ABF7

secondary

#F2DDC7

accent

#7800E6

background

#FAFBFF

surface

#F4F7FF

border

#CED0D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #66ABF7

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

Preview Lab → · Contrast checker → · Palette generator →