#6665DD#6665DD

#6665DD is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.1% C 0.178 H 279.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#6665DD
RGB	rgb(102, 101, 221)
HSL	hsl(241, 64%, 63%)
HSV	hsv(241, 54%, 87%)
CMYK	cmyk(53.8%, 54.3%, 0%, 13.3%)
CIE-LAB	lab(48.70, 33.51, -61.49)
CIE-LCH	lch(48.70, 70.03, 298.59°)
OKLab	oklab(57.12% 0.0295 -0.1759)
OKLCH	oklch(57.12% 0.178 279.5)
XYZ	xyz(23.1802, 17.3511, 70.5202)
Luminance	0.1735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6665DD #DCDD65

analogous

#65A0DD #6665DD #A265DD

triadic

#6665DD #DD6665 #65DD66

tetradic

#6665DD #DD65A0 #DCDD65 #65DDA2

square

#6665DD #DD65A0 #DCDD65 #65DDA2

split-complementary

#6665DD #DDA265 #A0DD65

monochromatic

#2524A4 #3433D2 #6665DD #9897E8 #CAC9F3

Accessibility & contrast

On white

4.70

#6665DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#6665DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6665DD

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6665DD	#FFFFFF	#000000	##FFFFFF
##6665DD	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1878E1

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#2E8097

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6665dd;
/* rgb */ color: rgb(102, 101, 221);
/* oklch */ color: oklch(57.1% 0.178 279.5);

Tailwind

colors: {
  custom: {
    50: '#9b91e8',
    500: '#6665dd',
    950: '#000000',
  },
}

SCSS

$custom: #6665dd;
$custom-light: #9b91e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6665dd",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 221
  },
  "hsl": {
    "h": 240.5,
    "s": 63.83,
    "l": 63.137
  },
  "oklch": {
    "l": 0.57116,
    "c": 0.1784,
    "h": 279.5
  },
  "luminance": 0.17353
}

Semantic roles & 50–950 ramp

primary

#6665DD

secondary

#E4E4B9

accent

#CC1ACA

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #6665DD

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

Preview Lab → · Contrast checker → · Palette generator →