#665BD7#665BD7

#665BD7 is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.9% C 0.184 H 282.5°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#665BD7
RGB	rgb(102, 91, 215)
HSL	hsl(245, 61%, 60%)
HSV	hsv(245, 58%, 84%)
CMYK	cmyk(52.6%, 57.7%, 0%, 15.7%)
CIE-LAB	lab(45.92, 37.66, -62.57)
CIE-LCH	lch(45.92, 73.03, 301.04°)
OKLab	oklab(54.93% 0.0398 -0.1792)
OKLCH	oklch(54.93% 0.184 282.5)
XYZ	xyz(21.4826, 15.2120, 66.0810)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BD7 #CCD75B

analogous

#5B8ED7 #665BD7 #A45BD7

triadic

#665BD7 #D7665B #5BD766

tetradic

#665BD7 #D75B8E #CCD75B #5BD7A4

square

#665BD7 #D75B8E #CCD75B #5BD7A4

split-complementary

#665BD7 #D7A45B #8ED75B

monochromatic

#2E2494 #3D30C5 #665BD7 #948CE3 #C2BDEF

Accessibility & contrast

On white

5.19

#665BD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#665BD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BD7

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BD7	#FFFFFF	#000000	##FFFFFF
##665BD7	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071DB

Deuteranopia (green-blind)

#0068D4

Tritanopia (blue-blind)

#367890

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665bd7;
/* rgb */ color: rgb(102, 91, 215);
/* oklch */ color: oklch(54.9% 0.184 282.5);

Tailwind

colors: {
  custom: {
    50: '#9a8ae4',
    500: '#665bd7',
    950: '#000000',
  },
}

SCSS

$custom: #665bd7;
$custom-light: #9a8ae4;
$custom-dark: #000000;

JSON

{
  "hex": "#665bd7",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 215
  },
  "hsl": {
    "h": 245.323,
    "s": 60.784,
    "l": 60
  },
  "oklch": {
    "l": 0.54926,
    "c": 0.18355,
    "h": 282.5
  },
  "luminance": 0.15213
}

Semantic roles & 50–950 ramp

primary

#665BD7

secondary

#DBDFAF

accent

#E444D6

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665BD7

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

Preview Lab → · Contrast checker → · Palette generator →