#6D66DD#6D66DD

#6D66DD is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.8% C 0.176 H 282.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6D66DD
RGB	rgb(109, 102, 221)
HSL	hsl(244, 64%, 63%)
HSV	hsv(244, 54%, 87%)
CMYK	cmyk(50.7%, 53.8%, 0%, 13.3%)
CIE-LAB	lab(49.46, 34.32, -60.23)
CIE-LCH	lch(49.46, 69.32, 299.68°)
OKLab	oklab(57.82% 0.0367 -0.172)
OKLCH	oklch(57.82% 0.176 282)
XYZ	xyz(24.1052, 17.9731, 70.5916)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D66DD #D6DD66

analogous

#669ADD #6D66DD #A866DD

triadic

#6D66DD #DD6D66 #66DD6D

tetradic

#6D66DD #DD669A #D6DD66 #66DDA8

square

#6D66DD #DD669A #D6DD66 #66DDA8

split-complementary

#6D66DD #DDA866 #9ADD66

monochromatic

#2C24A4 #3D34D2 #6D66DD #9D98E8 #CDCAF3

Accessibility & contrast

On white

4.57

#6D66DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#6D66DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6D66DD

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D66DD	#FFFFFF	#000000	##000000
##6D66DD	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#217AE1

Deuteranopia (green-blind)

#1171DA

Tritanopia (blue-blind)

#418198

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6d66dd;
/* rgb */ color: rgb(109, 102, 221);
/* oklch */ color: oklch(57.8% 0.176 282.0);

Tailwind

colors: {
  custom: {
    50: '#9e92e8',
    500: '#6d66dd',
    950: '#000000',
  },
}

SCSS

$custom: #6d66dd;
$custom-light: #9e92e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6d66dd",
  "rgb": {
    "r": 109,
    "g": 102,
    "b": 221
  },
  "hsl": {
    "h": 243.529,
    "s": 63.636,
    "l": 63.333
  },
  "oklch": {
    "l": 0.57818,
    "c": 0.17592,
    "h": 282
  },
  "luminance": 0.17974
}

Semantic roles & 50–950 ramp

primary

#6D66DD

secondary

#E2E5BA

accent

#CB1AC1

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0D16

muted

#7F7D84

Preview Lab

Preview with #6D66DD

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

Preview Lab → · Contrast checker → · Palette generator →