#66AFF7#66AFF7

#66AFF7 is a light, vivid cyan. Relative luminance 0.402; OKLCH L 73.6% C 0.128 H 249.6°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#66AFF7
RGB	rgb(102, 175, 247)
HSL	hsl(210, 90%, 68%)
HSV	hsv(210, 59%, 97%)
CMYK	cmyk(58.7%, 29.1%, 0%, 3.1%)
CIE-LAB	lab(69.61, -1.99, -42.67)
CIE-LCH	lch(69.61, 42.72, 267.33°)
OKLab	oklab(73.64% -0.0446 -0.1202)
OKLCH	oklch(73.64% 0.128 249.6)
XYZ	xyz(37.5919, 40.1967, 93.7554)
Luminance	0.4020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66AFF7 #F7AE66

analogous

#66F7F6 #66AFF7 #6666F7

triadic

#66AFF7 #F766AF #AFF766

tetradic

#66AFF7 #F666F7 #F7AE66 #66F766

square

#66AFF7 #F666F7 #F7AE66 #66F766

split-complementary

#66AFF7 #F76666 #F7F666

monochromatic

#0B72D7 #2C91F4 #66AFF7 #A0CDFA #DAECFD

Accessibility & contrast

On white

2.32

#66AFF7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#66AFF7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66AFF7

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66AFF7	#FFFFFF	#000000	##000000
##66AFF7	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90B2FA

Deuteranopia (green-blind)

#7DA4F6

Tritanopia (blue-blind)

#00C0C8

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #66aff7;
/* rgb */ color: rgb(102, 175, 247);
/* oklch */ color: oklch(73.6% 0.128 249.6);

Tailwind

colors: {
  custom: {
    50: '#9cc6fa',
    500: '#66aff7',
    950: '#000000',
  },
}

SCSS

$custom: #66aff7;
$custom-light: #9cc6fa;
$custom-dark: #000000;

JSON

{
  "hex": "#66aff7",
  "rgb": {
    "r": 102,
    "g": 175,
    "b": 247
  },
  "hsl": {
    "h": 209.793,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73642,
    "c": 0.12819,
    "h": 249.6
  },
  "luminance": 0.402
}

Semantic roles & 50–950 ramp

primary

#66AFF7

secondary

#F2DCC7

accent

#7200E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #66AFF7

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

Preview Lab → · Contrast checker → · Palette generator →