#66A0F7#66A0F7

#66A0F7 is a light, vivid blue. Relative luminance 0.347; OKLCH L 70.4% C 0.142 H 258.3°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#66A0F7
RGBrgb(102, 160, 247)
HSLhsl(216, 90%, 68%)
HSVhsv(216, 59%, 97%)
CMYKcmyk(58.7%, 35.2%, 0%, 3.1%)
CIE-LABlab(65.50, 6.53, -49.13)
CIE-LCHlch(65.50, 49.57, 277.57°)
OKLaboklab(70.43% -0.0288 -0.1391)
OKLCHoklch(70.43% 0.142 258.3)
XYZxyz(34.8329, 34.6788, 92.8357)
Luminance0.3468 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A0F7 #F7BD66
analogous
#66E8F7 #66A0F7 #7466F7
triadic
#66A0F7 #F766A0 #A0F766
tetradic
#66A0F7 #F766E8 #F7BD66 #66F774
square
#66A0F7 #F766E8 #F7BD66 #66F774
split-complementary
#66A0F7 #F77466 #E8F766
monochromatic
#0B5DD7 #2C7CF4 #66A0F7 #A0C4FA #DAE8FD

Accessibility & contrast

On white

2.65
#66A0F7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#66A0F7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0F7
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A0F7#FFFFFF#000000##000000
##66A0F71.002.657.947.94
#FFFFFF2.651.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7BA7FB
Deuteranopia (green-blind)
#6899F5
Tritanopia (blue-blind)
#00B4C0
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #66a0f7;
/* rgb */ color: rgb(102, 160, 247);
/* oklch */ color: oklch(70.4% 0.142 258.3);
Tailwind
colors: {
  custom: {
    50: '#9cbbfa',
    500: '#66a0f7',
    950: '#000000',
  },
}
SCSS
$custom: #66a0f7;
$custom-light: #9cbbfa;
$custom-dark: #000000;
JSON
{
  "hex": "#66a0f7",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 247
  },
  "hsl": {
    "h": 216,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.70425,
    "c": 0.14209,
    "h": 258.3
  },
  "luminance": 0.34682
}

Semantic roles & 50–950 ramp

primary
#66A0F7
secondary
#F2E1C7
accent
#8A00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1117
muted
#7F8085

Preview Lab

Preview with #66A0F7

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

Preview Lab → · Contrast checker → · Palette generator →

#66A0F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva