#665CD8#665CD8

#665CD8 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.2% C 0.184 H 282.2°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#665CD8
RGB	rgb(102, 92, 216)
HSL	hsl(245, 61%, 60%)
HSV	hsv(245, 57%, 85%)
CMYK	cmyk(52.8%, 57.4%, 0%, 15.3%)
CIE-LAB	lab(46.23, 37.37, -62.65)
CIE-LCH	lch(46.23, 72.95, 300.82°)
OKLab	oklab(55.17% 0.0388 -0.1794)
OKLCH	oklch(55.17% 0.184 282.2)
XYZ	xyz(21.6975, 15.4357, 66.7885)
Luminance	0.1544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CD8 #CED85C

analogous

#5C90D8 #665CD8 #A45CD8

triadic

#665CD8 #D8665C #5CD866

tetradic

#665CD8 #D85C90 #CED85C #5CD8A4

square

#665CD8 #D85C90 #CED85C #5CD8A4

split-complementary

#665CD8 #D8A45C #90D85C

monochromatic

#2D2496 #3C30C7 #665CD8 #948DE4 #C3BFF0

Accessibility & contrast

On white

5.14

#665CD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#665CD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CD8

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CD8	#FFFFFF	#000000	##FFFFFF
##665CD8	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DC

Deuteranopia (green-blind)

#0069D5

Tritanopia (blue-blind)

#357991

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665cd8;
/* rgb */ color: rgb(102, 92, 216);
/* oklch */ color: oklch(55.2% 0.184 282.2);

Tailwind

colors: {
  custom: {
    50: '#9a8ae5',
    500: '#665cd8',
    950: '#000000',
  },
}

SCSS

$custom: #665cd8;
$custom-light: #9a8ae5;
$custom-dark: #000000;

JSON

{
  "hex": "#665cd8",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 216
  },
  "hsl": {
    "h": 244.839,
    "s": 61.386,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55172,
    "c": 0.18356,
    "h": 282.2
  },
  "luminance": 0.15437
}

Semantic roles & 50–950 ramp

primary

#665CD8

secondary

#DCE0B0

accent

#C91CBB

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665CD8

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

Preview Lab → · Contrast checker → · Palette generator →