#665FD0#665FD0

#665FD0 is a mid, vivid blue. Relative luminance 0.156; OKLCH L 55.1% C 0.169 H 282.1°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#665FD0
RGB	rgb(102, 95, 208)
HSL	hsl(244, 55%, 59%)
HSV	hsv(244, 54%, 82%)
CMYK	cmyk(51%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(46.39, 33.11, -57.80)
CIE-LCH	lch(46.39, 66.61, 299.80°)
OKLab	oklab(55.13% 0.0355 -0.1651)
OKLCH	oklch(55.13% 0.169 282.1)
XYZ	xyz(20.9534, 15.5621, 61.5620)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FD0 #C9D05F

analogous

#5F91D0 #665FD0 #9F5FD0

triadic

#665FD0 #D0665F #5FD066

tetradic

#665FD0 #D05F91 #C9D05F #5FD09F

square

#665FD0 #D05F91 #C9D05F #5FD09F

split-complementary

#665FD0 #D09F5F #91D05F

monochromatic

#2F298C #3F37BB #665FD0 #938EDE #C0BEEC

Accessibility & contrast

On white

5.11

#665FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#665FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FD0

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FD0	#FFFFFF	#000000	##FFFFFF
##665FD0	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C72D4

Deuteranopia (green-blind)

#0B6ACE

Tritanopia (blue-blind)

#3C788E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665fd0;
/* rgb */ color: rgb(102, 95, 208);
/* oklch */ color: oklch(55.1% 0.169 282.1);

Tailwind

colors: {
  custom: {
    50: '#998cdf',
    500: '#665fd0',
    950: '#000000',
  },
}

SCSS

$custom: #665fd0;
$custom-light: #998cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#665fd0",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 243.717,
    "s": 54.589,
    "l": 59.412
  },
  "oklch": {
    "l": 0.55125,
    "c": 0.1689,
    "h": 282.1
  },
  "luminance": 0.15563
}

Semantic roles & 50–950 ramp

primary

#665FD0

secondary

#D9DBAF

accent

#DE4AD5

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0C15

muted

#7E7D83

Preview Lab

Preview with #665FD0

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

Preview Lab → · Contrast checker → · Palette generator →