#6D66F9#6D66F9

#6D66F9 is a mid, highly saturated blue. Relative luminance 0.196; OKLCH L 59.8% C 0.212 H 280.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX#6D66F9
RGBrgb(109, 102, 249)
HSLhsl(243, 92%, 69%)
HSVhsv(243, 59%, 98%)
CMYKcmyk(56.2%, 59%, 0%, 2.4%)
CIE-LABlab(51.37, 42.89, -72.85)
CIE-LCHlch(51.37, 84.54, 300.49°)
OKLaboklab(59.84% 0.0367 -0.2092)
OKLCHoklch(59.84% 0.212 280)
XYZxyz(28.1516, 19.5916, 91.9023)
Luminance0.1959 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6D66F9 #F2F966
analogous
#66A9F9 #6D66F9 #B766F9
triadic
#6D66F9 #F96D66 #66F96D
tetradic
#6D66F9 #F966A9 #F2F966 #66F9B7
square
#6D66F9 #F966A9 #F2F966 #66F9B7
split-complementary
#6D66F9 #F9B766 #A9F966
monochromatic
#1309DC #352BF7 #6D66F9 #A5A1FB #DDDCFE

Accessibility & contrast

On white

4.27
#6D66F9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.92
#6D66F9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6D66F9
4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6D66F9#FFFFFF#000000##000000
##6D66F91.004.274.924.92
#FFFFFF4.271.0021.0021.00
#0000004.9221.001.001.00
##0000004.9221.001.001.00

Color blindness preview

Protanopia (red-blind)
#0080FE
Deuteranopia (green-blind)
#0075F6
Tritanopia (blue-blind)
#1D89A6
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #6d66f9;
/* rgb */ color: rgb(109, 102, 249);
/* oklch */ color: oklch(59.8% 0.212 280.0);
Tailwind
colors: {
  custom: {
    50: '#a292fc',
    500: '#6d66f9',
    950: '#000000',
  },
}
SCSS
$custom: #6d66f9;
$custom-light: #a292fc;
$custom-dark: #000000;
JSON
{
  "hex": "#6d66f9",
  "rgb": {
    "r": 109,
    "g": 102,
    "b": 249
  },
  "hsl": {
    "h": 242.857,
    "s": 92.453,
    "l": 68.824
  },
  "oklch": {
    "l": 0.59837,
    "c": 0.21237,
    "h": 280
  },
  "luminance": 0.19594
}

Semantic roles & 50–950 ramp

primary
#6D66F9
secondary
#F1F3C8
accent
#E600DB
background
#FAF9FF
surface
#F4F1FF
border
#CECBD7
text
#100D18
muted
#7F7E86

Preview Lab

Preview with #6D66F9

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

Preview Lab → · Contrast checker → · Palette generator →

#6D66F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva