#6C66CD#6C66CD

#6C66CD is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.7% C 0.154 H 282.9°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#6C66CD
RGB	rgb(108, 102, 205)
HSL	hsl(243, 51%, 60%)
HSV	hsv(243, 50%, 80%)
CMYK	cmyk(47.3%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(48.38, 29.26, -52.86)
CIE-LCH	lch(48.38, 60.42, 298.96°)
OKLab	oklab(56.67% 0.0345 -0.1504)
OKLCH	oklch(56.67% 0.154 282.9)
XYZ	xyz(21.9519, 17.0976, 59.8893)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66CD #C7CD66

analogous

#6694CD #6C66CD #9F66CD

triadic

#6C66CD #CD6C66 #66CD6C

tetradic

#6C66CD #CD6694 #C7CD66 #66CD9F

square

#6C66CD #CD6694 #C7CD66 #66CD9F

split-complementary

#6C66CD #CD9F66 #94CD66

monochromatic

#332D8B #443DB9 #6C66CD #9894DC #C5C2EB

Accessibility & contrast

On white

4.75

#6C66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#6C66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6C66CD

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66CD	#FFFFFF	#000000	##FFFFFF
##6C66CD	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)

#3776D1

Deuteranopia (green-blind)

#316FCB

Tritanopia (blue-blind)

#4A7C90

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6c66cd;
/* rgb */ color: rgb(108, 102, 205);
/* oklch */ color: oklch(56.7% 0.154 282.9);

Tailwind

colors: {
  custom: {
    50: '#9c91dd',
    500: '#6c66cd',
    950: '#000000',
  },
}

SCSS

$custom: #6c66cd;
$custom-light: #9c91dd;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66cd",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 243.495,
    "s": 50.739,
    "l": 60.196
  },
  "oklch": {
    "l": 0.56669,
    "c": 0.15432,
    "h": 282.9
  },
  "luminance": 0.17099
}

Semantic roles & 50–950 ramp

primary

#6C66CD

secondary

#D9DBB4

accent

#BE27B5

background

#FAF8FD

surface

#F3F0FB

border

#CDCBD4

text

#0F0D15

muted

#7F7D83

Preview Lab

Preview with #6C66CD

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

Preview Lab → · Contrast checker → · Palette generator →