#66A0FD#66A0FD

#66A0FD is a light, vivid blue. Relative luminance 0.351; OKLCH L 70.7% C 0.150 H 259.5°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX#66A0FD
RGBrgb(102, 160, 253)
HSLhsl(217, 97%, 70%)
HSVhsv(217, 60%, 99%)
CMYKcmyk(59.7%, 36.8%, 0%, 0.8%)
CIE-LABlab(65.79, 8.45, -51.94)
CIE-LCHlch(65.79, 52.63, 279.24°)
OKLaboklab(70.75% -0.0274 -0.1473)
OKLCHoklch(70.75% 0.15 259.5)
XYZxyz(35.7737, 35.0551, 97.7905)
Luminance0.3506 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66A0FD #FDC366
analogous
#66EBFD #66A0FD #7866FD
triadic
#66A0FD #FD66A0 #A0FD66
tetradic
#66A0FD #FD66EB #FDC366 #66FD78
square
#66A0FD #FD66EB #FDC366 #66FD78
split-complementary
#66A0FD #FD7866 #EBFD66
monochromatic
#035AE6 #2A7AFC #66A0FD #A2C6FE #DFEBFF

Accessibility & contrast

On white

2.62
#66A0FD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.01
#66A0FD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66A0FD
8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66A0FD#FFFFFF#000000##000000
##66A0FD1.002.628.018.01
#FFFFFF2.621.0021.0021.00
#0000008.0121.001.001.00
##0000008.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#78A8FF
Deuteranopia (green-blind)
#6499FB
Tritanopia (blue-blind)
#00B5C2
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #66a0fd;
/* rgb */ color: rgb(102, 160, 253);
/* oklch */ color: oklch(70.7% 0.150 259.5);
Tailwind
colors: {
  custom: {
    50: '#9dbbfe',
    500: '#66a0fd',
    950: '#000000',
  },
}
SCSS
$custom: #66a0fd;
$custom-light: #9dbbfe;
$custom-dark: #000000;
JSON
{
  "hex": "#66a0fd",
  "rgb": {
    "r": 102,
    "g": 160,
    "b": 253
  },
  "hsl": {
    "h": 216.954,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.70749,
    "c": 0.14987,
    "h": 259.5
  },
  "luminance": 0.35058
}

Semantic roles & 50–950 ramp

primary
#66A0FD
secondary
#F5E4CA
accent
#8D00E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1118
muted
#7F8086

Preview Lab

Preview with #66A0FD

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

Preview Lab → · Contrast checker → · Palette generator →

#66A0FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva