#665CD9#665CD9

#665CD9 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.2% C 0.185 H 282.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#665CD9
RGB	rgb(102, 92, 217)
HSL	hsl(245, 62%, 61%)
HSV	hsv(245, 58%, 85%)
CMYK	cmyk(53%, 57.6%, 0%, 14.9%)
CIE-LAB	lab(46.29, 37.68, -63.11)
CIE-LCH	lch(46.29, 73.50, 300.84°)
OKLab	oklab(55.25% 0.0388 -0.1808)
OKLCH	oklch(55.25% 0.185 282.1)
XYZ	xyz(21.8272, 15.4875, 67.4714)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CD9 #CFD95C

analogous

#5C90D9 #665CD9 #A45CD9

triadic

#665CD9 #D9665C #5CD966

tetradic

#665CD9 #D95C90 #CFD95C #5CD9A4

square

#665CD9 #D95C90 #CFD95C #5CD9A4

split-complementary

#665CD9 #D9A45C #90D95C

monochromatic

#2D2397 #3B2FC9 #665CD9 #958EE5 #C3BFF0

Accessibility & contrast

On white

5.12

#665CD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#665CD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CD9

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CD9	#FFFFFF	#000000	##FFFFFF
##665CD9	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DD

Deuteranopia (green-blind)

#0069D6

Tritanopia (blue-blind)

#347992

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665cd9;
/* rgb */ color: rgb(102, 92, 217);
/* oklch */ color: oklch(55.2% 0.185 282.1);

Tailwind

colors: {
  custom: {
    50: '#9a8ae6',
    500: '#665cd9',
    950: '#000000',
  },
}

SCSS

$custom: #665cd9;
$custom-light: #9a8ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#665cd9",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 217
  },
  "hsl": {
    "h": 244.8,
    "s": 62.189,
    "l": 60.588
  },
  "oklch": {
    "l": 0.55245,
    "c": 0.18487,
    "h": 282.1
  },
  "luminance": 0.15489
}

Semantic roles & 50–950 ramp

primary

#665CD9

secondary

#DCE0B1

accent

#CA1CBC

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665CD9

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

Preview Lab → · Contrast checker → · Palette generator →