#665BDB#665BDB

#665BDB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.2% C 0.189 H 282.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#665BDB
RGB	rgb(102, 91, 219)
HSL	hsl(245, 64%, 61%)
HSV	hsv(245, 58%, 86%)
CMYK	cmyk(53.4%, 58.4%, 0%, 14.1%)
CIE-LAB	lab(46.20, 38.89, -64.39)
CIE-LCH	lch(46.20, 75.22, 301.13°)
OKLab	oklab(55.22% 0.0397 -0.1845)
OKLCH	oklch(55.22% 0.189 282.1)
XYZ	xyz(22.0028, 15.4201, 68.8211)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BDB #D0DB5B

analogous

#5B90DB #665BDB #A65BDB

triadic

#665BDB #DB665B #5BDB66

tetradic

#665BDB #DB5B90 #D0DB5B #5BDBA6

square

#665BDB #DB5B90 #D0DB5B #5BDBA6

split-complementary

#665BDB #DBA65B #90DB5B

monochromatic

#2C229A #3A2DCC #665BDB #958DE6 #C4BFF1

Accessibility & contrast

On white

5.14

#665BDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#665BDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BDB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BDB	#FFFFFF	#000000	##FFFFFF
##665BDB	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DF

Deuteranopia (green-blind)

#0069D8

Tritanopia (blue-blind)

#327992

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665bdb;
/* rgb */ color: rgb(102, 91, 219);
/* oklch */ color: oklch(55.2% 0.189 282.1);

Tailwind

colors: {
  custom: {
    50: '#9b8ae7',
    500: '#665bdb',
    950: '#000000',
  },
}

SCSS

$custom: #665bdb;
$custom-light: #9b8ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#665bdb",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 219
  },
  "hsl": {
    "h": 245.156,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.55223,
    "c": 0.18878,
    "h": 282.1
  },
  "luminance": 0.15421
}

Semantic roles & 50–950 ramp

primary

#665BDB

secondary

#DDE1B1

accent

#CC1ABC

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665BDB

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

Preview Lab → · Contrast checker → · Palette generator →