#665CDA#665CDA

#665CDA is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.3% C 0.186 H 282.0°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#665CDA
RGB	rgb(102, 92, 218)
HSL	hsl(245, 63%, 61%)
HSV	hsv(245, 58%, 85%)
CMYK	cmyk(53.2%, 57.8%, 0%, 14.5%)
CIE-LAB	lab(46.36, 37.98, -63.56)
CIE-LCH	lch(46.36, 74.05, 300.86°)
OKLab	oklab(55.32% 0.0387 -0.1821)
OKLCH	oklch(55.32% 0.186 282)
XYZ	xyz(21.9576, 15.5397, 68.1585)
Luminance	0.1554 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CDA #D0DA5C

analogous

#5C91DA #665CDA #A55CDA

triadic

#665CDA #DA665C #5CDA66

tetradic

#665CDA #DA5C91 #D0DA5C #5CDAA5

square

#665CDA #DA5C91 #D0DA5C #5CDAA5

split-complementary

#665CDA #DAA55C #91DA5C

monochromatic

#2C2399 #3A2ECB #665CDA #958EE5 #C4C0F1

Accessibility & contrast

On white

5.11

#665CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#665CDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CDA

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CDA	#FFFFFF	#000000	##FFFFFF
##665CDA	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DE

Deuteranopia (green-blind)

#0069D7

Tritanopia (blue-blind)

#337992

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665cda;
/* rgb */ color: rgb(102, 92, 218);
/* oklch */ color: oklch(55.3% 0.186 282.0);

Tailwind

colors: {
  custom: {
    50: '#9b8ae6',
    500: '#665cda',
    950: '#000000',
  },
}

SCSS

$custom: #665cda;
$custom-light: #9b8ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#665cda",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 218
  },
  "hsl": {
    "h": 244.762,
    "s": 63,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55319,
    "c": 0.18618,
    "h": 282
  },
  "luminance": 0.15541
}

Semantic roles & 50–950 ramp

primary

#665CDA

secondary

#DDE1B1

accent

#CB1BBD

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665CDA

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

Preview Lab → · Contrast checker → · Palette generator →