#665ABE#665ABE

#665ABE is a mid, vivid blue. Relative luminance 0.139; OKLCH L 53.0% C 0.151 H 285.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#665ABE
RGB	rgb(102, 90, 190)
HSL	hsl(247, 43%, 55%)
HSV	hsv(247, 53%, 75%)
CMYK	cmyk(46.3%, 52.6%, 0%, 25.5%)
CIE-LAB	lab(44.02, 30.67, -51.23)
CIE-LCH	lch(44.02, 59.71, 300.90°)
OKLab	oklab(52.99% 0.0404 -0.1458)
OKLCH	oklch(52.99% 0.151 285.5)
XYZ	xyz(18.4272, 13.8540, 50.4084)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ABE #B2BE5A

analogous

#5A80BE #665ABE #985ABE

triadic

#665ABE #BE665A #5ABE66

tetradic

#665ABE #BE5A80 #B2BE5A #5ABE98

square

#665ABE #BE5A80 #B2BE5A #5ABE98

split-complementary

#665ABE #BE985A #80BE5A

monochromatic

#352D71 #493E9D #665ABE #8F86CF #B7B2E1

Accessibility & contrast

On white

5.57

#665ABE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#665ABE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ABE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ABE	#FFFFFF	#000000	##FFFFFF
##665ABE	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#296BC1

Deuteranopia (green-blind)

#2665BC

Tritanopia (blue-blind)

#497083

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665abe;
/* rgb */ color: rgb(102, 90, 190);
/* oklch */ color: oklch(53.0% 0.151 285.5);

Tailwind

colors: {
  custom: {
    50: '#9789d2',
    500: '#665abe',
    950: '#000000',
  },
}

SCSS

$custom: #665abe;
$custom-light: #9789d2;
$custom-dark: #000000;

JSON

{
  "hex": "#665abe",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 190
  },
  "hsl": {
    "h": 247.2,
    "s": 43.478,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52986,
    "c": 0.15133,
    "h": 285.5
  },
  "luminance": 0.13855
}

Semantic roles & 50–950 ramp

primary

#665ABE

secondary

#CACFA5

accent

#D355C4

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665ABE

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

Preview Lab → · Contrast checker → · Palette generator →