#665CD2#665CD2

#665CD2 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.7% C 0.176 H 282.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#665CD2
RGB	rgb(102, 92, 210)
HSL	hsl(245, 57%, 59%)
HSV	hsv(245, 56%, 82%)
CMYK	cmyk(51.4%, 56.2%, 0%, 17.6%)
CIE-LAB	lab(45.81, 35.53, -59.89)
CIE-LCH	lch(45.81, 69.63, 300.68°)
OKLab	oklab(54.74% 0.0388 -0.1713)
OKLCH	oklch(54.74% 0.176 282.7)
XYZ	xyz(20.9360, 15.1311, 62.7777)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CD2 #C8D25C

analogous

#5C8DD2 #665CD2 #A15CD2

triadic

#665CD2 #D2665C #5CD266

tetradic

#665CD2 #D25C8D #C8D25C #5CD2A1

square

#665CD2 #D25C8D #C8D25C #5CD2A1

split-complementary

#665CD2 #D2A15C #8DD25C

monochromatic

#2F278D #4034BD #665CD2 #938CDF #C0BCEC

Accessibility & contrast

On white

5.22

#665CD2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#665CD2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CD2

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CD2	#FFFFFF	#000000	##FFFFFF
##665CD2	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0370D6

Deuteranopia (green-blind)

#0068D0

Tritanopia (blue-blind)

#3B778E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #665cd2;
/* rgb */ color: rgb(102, 92, 210);
/* oklch */ color: oklch(54.7% 0.176 282.7);

Tailwind

colors: {
  custom: {
    50: '#9a8ae1',
    500: '#665cd2',
    950: '#000000',
  },
}

SCSS

$custom: #665cd2;
$custom-light: #9a8ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#665cd2",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 210
  },
  "hsl": {
    "h": 245.085,
    "s": 56.731,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54736,
    "c": 0.17562,
    "h": 282.7
  },
  "luminance": 0.15132
}

Semantic roles & 50–950 ramp

primary

#665CD2

secondary

#D8DCAE

accent

#E048D3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0C15

muted

#7E7D83

Preview Lab

Preview with #665CD2

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

Preview Lab → · Contrast checker → · Palette generator →