#665BE2#665BE2

#665BE2 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.8% C 0.198 H 281.5°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#665BE2
RGB	rgb(102, 91, 226)
HSL	hsl(245, 70%, 62%)
HSV	hsv(245, 60%, 89%)
CMYK	cmyk(54.9%, 59.7%, 0%, 11.4%)
CIE-LAB	lab(46.71, 41.04, -67.55)
CIE-LCH	lch(46.71, 79.04, 301.28°)
OKLab	oklab(55.75% 0.0395 -0.1938)
OKLCH	oklch(55.75% 0.198 281.5)
XYZ	xyz(22.9438, 15.7965, 73.7768)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BE2 #D7E25B

analogous

#5B94E2 #665BE2 #AA5BE2

triadic

#665BE2 #E2665B #5BE266

tetradic

#665BE2 #E25B94 #D7E25B #5BE2AA

square

#665BE2 #E25B94 #D7E25B #5BE2AA

split-complementary

#665BE2 #E2AA5B #94E25B

monochromatic

#281DA5 #3527D9 #665BE2 #978FEB #C7C3F4

Accessibility & contrast

On white

5.05

#665BE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#665BE2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BE2

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BE2	#FFFFFF	#000000	##FFFFFF
##665BE2	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073E6

Deuteranopia (green-blind)

#006ADF

Tritanopia (blue-blind)

#2A7B96

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665be2;
/* rgb */ color: rgb(102, 91, 226);
/* oklch */ color: oklch(55.8% 0.198 281.5);

Tailwind

colors: {
  custom: {
    50: '#9c8aec',
    500: '#665be2',
    950: '#000000',
  },
}

SCSS

$custom: #665be2;
$custom-light: #9c8aec;
$custom-dark: #000000;

JSON

{
  "hex": "#665be2",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 226
  },
  "hsl": {
    "h": 244.889,
    "s": 69.948,
    "l": 62.157
  },
  "oklch": {
    "l": 0.55751,
    "c": 0.19783,
    "h": 281.5
  },
  "luminance": 0.15798
}

Semantic roles & 50–950 ramp

primary

#665BE2

secondary

#E1E5B4

accent

#D214C2

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #665BE2

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

Preview Lab → · Contrast checker → · Palette generator →