#665FD5#665FD5

#665FD5 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.5% C 0.176 H 281.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#665FD5
RGB	rgb(102, 95, 213)
HSL	hsl(244, 58%, 60%)
HSV	hsv(244, 55%, 84%)
CMYK	cmyk(52.1%, 55.4%, 0%, 16.5%)
CIE-LAB	lab(46.73, 34.65, -60.13)
CIE-LCH	lch(46.73, 69.39, 299.95°)
OKLab	oklab(55.48% 0.0356 -0.172)
OKLCH	oklch(55.48% 0.176 281.7)
XYZ	xyz(21.5783, 15.8121, 64.8529)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FD5 #CED55F

analogous

#5F93D5 #665FD5 #A15FD5

triadic

#665FD5 #D5665F #5FD566

tetradic

#665FD5 #D55F93 #CED55F #5FD5A1

square

#665FD5 #D55F93 #CED55F #5FD5A1

split-complementary

#665FD5 #D5A15F #93D55F

monochromatic

#2D2793 #3C33C3 #665FD5 #948FE2 #C3C0EE

Accessibility & contrast

On white

5.04

#665FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#665FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FD5

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FD5	#FFFFFF	#000000	##FFFFFF
##665FD5	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E73D9

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#387A91

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665fd5;
/* rgb */ color: rgb(102, 95, 213);
/* oklch */ color: oklch(55.5% 0.176 281.7);

Tailwind

colors: {
  custom: {
    50: '#9a8ce3',
    500: '#665fd5',
    950: '#000000',
  },
}

SCSS

$custom: #665fd5;
$custom-light: #9a8ce3;
$custom-dark: #000000;

JSON

{
  "hex": "#665fd5",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 213
  },
  "hsl": {
    "h": 243.559,
    "s": 58.416,
    "l": 60.392
  },
  "oklch": {
    "l": 0.55478,
    "c": 0.17562,
    "h": 281.7
  },
  "luminance": 0.15813
}

Semantic roles & 50–950 ramp

primary

#665FD5

secondary

#DCDEB1

accent

#C61FBC

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0F0C15

muted

#7E7D84

Preview Lab

Preview with #665FD5

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

Preview Lab → · Contrast checker → · Palette generator →