#665FD4#665FD4

#665FD4 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.4% C 0.174 H 281.8°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#665FD4
RGB	rgb(102, 95, 212)
HSL	hsl(244, 58%, 60%)
HSV	hsv(244, 55%, 83%)
CMYK	cmyk(51.9%, 55.2%, 0%, 16.9%)
CIE-LAB	lab(46.66, 34.34, -59.66)
CIE-LCH	lch(46.66, 68.84, 299.92°)
OKLab	oklab(55.41% 0.0356 -0.1706)
OKLCH	oklch(55.41% 0.174 281.8)
XYZ	xyz(21.4517, 15.7614, 64.1865)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FD4 #CDD45F

analogous

#5F92D4 #665FD4 #A15FD4

triadic

#665FD4 #D4665F #5FD466

tetradic

#665FD4 #D45F92 #CDD45F #5FD4A1

square

#665FD4 #D45F92 #CDD45F #5FD4A1

split-complementary

#665FD4 #D4A15F #92D45F

monochromatic

#2D2791 #3D34C2 #665FD4 #948FE1 #C2BFEE

Accessibility & contrast

On white

5.06

#665FD4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#665FD4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FD4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FD4	#FFFFFF	#000000	##FFFFFF
##665FD4	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1173D8

Deuteranopia (green-blind)

#006AD2

Tritanopia (blue-blind)

#397A90

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665fd4;
/* rgb */ color: rgb(102, 95, 212);
/* oklch */ color: oklch(55.4% 0.174 281.8);

Tailwind

colors: {
  custom: {
    50: '#9a8ce2',
    500: '#665fd4',
    950: '#000000',
  },
}

SCSS

$custom: #665fd4;
$custom-light: #9a8ce2;
$custom-dark: #000000;

JSON

{
  "hex": "#665fd4",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 212
  },
  "hsl": {
    "h": 243.59,
    "s": 57.635,
    "l": 60.196
  },
  "oklch": {
    "l": 0.55407,
    "c": 0.17428,
    "h": 281.8
  },
  "luminance": 0.15763
}

Semantic roles & 50–950 ramp

primary

#665FD4

secondary

#DBDEB1

accent

#C520BB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0C15

muted

#7E7D83

Preview Lab

Preview with #665FD4

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

Preview Lab → · Contrast checker → · Palette generator →