#665ED9#665ED9

#665ED9 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.6% C 0.182 H 281.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#665ED9
RGB	rgb(102, 94, 217)
HSL	hsl(244, 62%, 61%)
HSV	hsv(244, 57%, 85%)
CMYK	cmyk(53%, 56.7%, 0%, 14.9%)
CIE-LAB	lab(46.76, 36.48, -62.35)
CIE-LCH	lch(46.76, 72.24, 300.33°)
OKLab	oklab(55.59% 0.0367 -0.1785)
OKLCH	oklch(55.59% 0.182 281.6)
XYZ	xyz(22.0027, 15.8386, 67.5299)
Luminance	0.1584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ED9 #D1D95E

analogous

#5E93D9 #665ED9 #A35ED9

triadic

#665ED9 #D9665E #5ED966

tetradic

#665ED9 #D95E93 #D1D95E #5ED9A3

square

#665ED9 #D95E93 #D1D95E #5ED9A3

split-complementary

#665ED9 #D9A35E #93D95E

monochromatic

#2C2499 #3A30CA #665ED9 #9590E5 #C4C1F0

Accessibility & contrast

On white

5.04

#665ED9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#665ED9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ED9

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ED9	#FFFFFF	#000000	##FFFFFF
##665ED9	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DD

Deuteranopia (green-blind)

#006AD6

Tritanopia (blue-blind)

#347A92

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665ed9;
/* rgb */ color: rgb(102, 94, 217);
/* oklch */ color: oklch(55.6% 0.182 281.6);

Tailwind

colors: {
  custom: {
    50: '#9a8ce6',
    500: '#665ed9',
    950: '#000000',
  },
}

SCSS

$custom: #665ed9;
$custom-light: #9a8ce6;
$custom-dark: #000000;

JSON

{
  "hex": "#665ed9",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 217
  },
  "hsl": {
    "h": 243.902,
    "s": 61.809,
    "l": 60.98
  },
  "oklch": {
    "l": 0.55591,
    "c": 0.18225,
    "h": 281.6
  },
  "luminance": 0.1584
}

Semantic roles & 50–950 ramp

primary

#665ED9

secondary

#DEE1B2

accent

#CA1CBE

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665ED9

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

Preview Lab → · Contrast checker → · Palette generator →