#665CD6#665CD6

#665CD6 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 55.0% C 0.181 H 282.4°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#665CD6
RGB	rgb(102, 92, 214)
HSL	hsl(245, 60%, 60%)
HSV	hsv(245, 57%, 84%)
CMYK	cmyk(52.3%, 57%, 0%, 16.1%)
CIE-LAB	lab(46.09, 36.75, -61.73)
CIE-LCH	lch(46.09, 71.84, 300.77°)
OKLab	oklab(55.03% 0.0388 -0.1767)
OKLCH	oklch(55.03% 0.181 282.4)
XYZ	xyz(21.4405, 15.3329, 65.4351)
Luminance	0.1533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CD6 #CCD65C

analogous

#5C8FD6 #665CD6 #A35CD6

triadic

#665CD6 #D6665C #5CD666

tetradic

#665CD6 #D65C8F #CCD65C #5CD6A3

square

#665CD6 #D65C8F #CCD65C #5CD6A3

split-complementary

#665CD6 #D6A35C #8FD65C

monochromatic

#2E2593 #3D31C4 #665CD6 #948DE2 #C2BEEF

Accessibility & contrast

On white

5.16

#665CD6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#665CD6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CD6

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CD6	#FFFFFF	#000000	##FFFFFF
##665CD6	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DA

Deuteranopia (green-blind)

#0069D3

Tritanopia (blue-blind)

#377890

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665cd6;
/* rgb */ color: rgb(102, 92, 214);
/* oklch */ color: oklch(55.0% 0.181 282.4);

Tailwind

colors: {
  custom: {
    50: '#9a8ae3',
    500: '#665cd6',
    950: '#000000',
  },
}

SCSS

$custom: #665cd6;
$custom-light: #9a8ae3;
$custom-dark: #000000;

JSON

{
  "hex": "#665cd6",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 214
  },
  "hsl": {
    "h": 244.918,
    "s": 59.804,
    "l": 60
  },
  "oklch": {
    "l": 0.55025,
    "c": 0.18092,
    "h": 282.4
  },
  "luminance": 0.15334
}

Semantic roles & 50–950 ramp

primary

#665CD6

secondary

#DBDEAF

accent

#E345D6

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665CD6

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

Preview Lab → · Contrast checker → · Palette generator →