#665AE0#665AE0

#665AE0 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.4% C 0.197 H 281.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#665AE0
RGB	rgb(102, 90, 224)
HSL	hsl(245, 68%, 62%)
HSV	hsv(245, 60%, 88%)
CMYK	cmyk(54.5%, 59.8%, 0%, 12.2%)
CIE-LAB	lab(46.34, 41.01, -67.02)
CIE-LCH	lch(46.34, 78.57, 301.46°)
OKLab	oklab(55.43% 0.0406 -0.1923)
OKLCH	oklch(55.43% 0.197 281.9)
XYZ	xyz(22.5860, 15.5175, 72.3116)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AE0 #D4E05A

analogous

#5A91E0 #665AE0 #A95AE0

triadic

#665AE0 #E0665A #5AE066

tetradic

#665AE0 #E05A91 #D4E05A #5AE0A9

square

#665AE0 #E05A91 #D4E05A #5AE0A9

split-complementary

#665AE0 #E0A95A #91E05A

monochromatic

#2A1EA1 #3728D5 #665AE0 #968EEA #C6C1F3

Accessibility & contrast

On white

5.12

#665AE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#665AE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AE0

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AE0	#FFFFFF	#000000	##FFFFFF
##665AE0	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)

#0072E4

Deuteranopia (green-blind)

#0069DD

Tritanopia (blue-blind)

#2C7A94

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665ae0;
/* rgb */ color: rgb(102, 90, 224);
/* oklch */ color: oklch(55.4% 0.197 281.9);

Tailwind

colors: {
  custom: {
    50: '#9c89eb',
    500: '#665ae0',
    950: '#000000',
  },
}

SCSS

$custom: #665ae0;
$custom-light: #9c89eb;
$custom-dark: #000000;

JSON

{
  "hex": "#665ae0",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 224
  },
  "hsl": {
    "h": 245.373,
    "s": 68.367,
    "l": 61.569
  },
  "oklch": {
    "l": 0.55432,
    "c": 0.19651,
    "h": 281.9
  },
  "luminance": 0.15519
}

Semantic roles & 50–950 ramp

primary

#665AE0

secondary

#DFE4B2

accent

#D015C0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665AE0

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

Preview Lab → · Contrast checker → · Palette generator →