#6D66CC#6D66CC

#6D66CC is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.7% C 0.153 H 283.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#6D66CC
RGB	rgb(109, 102, 204)
HSL	hsl(244, 50%, 60%)
HSV	hsv(244, 50%, 80%)
CMYK	cmyk(46.6%, 50%, 0%, 20%)
CIE-LAB	lab(48.40, 29.19, -52.26)
CIE-LCH	lch(48.40, 59.85, 299.19°)
OKLab	oklab(56.68% 0.0356 -0.1486)
OKLCH	oklch(56.68% 0.153 283.5)
XYZ	xyz(21.9539, 17.1126, 59.2613)
Luminance	0.1711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D66CC #C5CC66

analogous

#6692CC #6D66CC #A066CC

triadic

#6D66CC #CC6D66 #66CC6D

tetradic

#6D66CC #CC6692 #C5CC66 #66CCA0

square

#6D66CC #CC6692 #C5CC66 #66CCA0

split-complementary

#6D66CC #CCA066 #92CC66

monochromatic

#342E8A #463DB8 #6D66CC #9994DB #C5C2EB

Accessibility & contrast

On white

4.75

#6D66CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#6D66CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6D66CC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D66CC	#FFFFFF	#000000	##FFFFFF
##6D66CC	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3876D0

Deuteranopia (green-blind)

#3370CA

Tritanopia (blue-blind)

#4D7C8F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6d66cc;
/* rgb */ color: rgb(109, 102, 204);
/* oklch */ color: oklch(56.7% 0.153 283.5);

Tailwind

colors: {
  custom: {
    50: '#9c91dc',
    500: '#6d66cc',
    950: '#000000',
  },
}

SCSS

$custom: #6d66cc;
$custom-light: #9c91dc;
$custom-dark: #000000;

JSON

{
  "hex": "#6d66cc",
  "rgb": {
    "r": 109,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 244.118,
    "s": 50,
    "l": 60
  },
  "oklch": {
    "l": 0.56683,
    "c": 0.15281,
    "h": 283.5
  },
  "luminance": 0.17114
}

Semantic roles & 50–950 ramp

primary

#6D66CC

secondary

#D8DBB3

accent

#DA4ED0

background

#FAF8FD

surface

#F3F0FB

border

#CDCBD4

text

#0F0D15

muted

#7F7D83

Preview Lab

Preview with #6D66CC

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

Preview Lab → · Contrast checker → · Palette generator →