#665AE4#665AE4

#665AE4 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.7% C 0.202 H 281.6°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#665AE4
RGB	rgb(102, 90, 228)
HSL	hsl(245, 72%, 62%)
HSV	hsv(245, 61%, 89%)
CMYK	cmyk(55.3%, 60.5%, 0%, 10.6%)
CIE-LAB	lab(46.63, 42.24, -68.81)
CIE-LCH	lch(46.63, 80.74, 301.54°)
OKLab	oklab(55.74% 0.0404 -0.1975)
OKLCH	oklch(55.74% 0.202 281.6)
XYZ	xyz(23.1349, 15.7371, 75.2022)
Luminance	0.1574 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AE4 #D8E45A

analogous

#5A93E4 #665AE4 #AB5AE4

triadic

#665AE4 #E4665A #5AE466

tetradic

#665AE4 #E45A93 #D8E45A #5AE4AB

square

#665AE4 #E45A93 #D8E45A #5AE4AB

split-complementary

#665AE4 #E4AB5A #93E45A

monochromatic

#281CA8 #3525DB #665AE4 #978FED #C8C3F5

Accessibility & contrast

On white

5.06

#665AE4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#665AE4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AE4

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AE4	#FFFFFF	#000000	##FFFFFF
##665AE4	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)

#0073E8

Deuteranopia (green-blind)

#006AE1

Tritanopia (blue-blind)

#277B96

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #665ae4;
/* rgb */ color: rgb(102, 90, 228);
/* oklch */ color: oklch(55.7% 0.202 281.6);

Tailwind

colors: {
  custom: {
    50: '#9c89ed',
    500: '#665ae4',
    950: '#000000',
  },
}

SCSS

$custom: #665ae4;
$custom-light: #9c89ed;
$custom-dark: #000000;

JSON

{
  "hex": "#665ae4",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 228
  },
  "hsl": {
    "h": 245.217,
    "s": 71.875,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55739,
    "c": 0.20163,
    "h": 281.6
  },
  "luminance": 0.15739
}

Semantic roles & 50–950 ramp

primary

#665AE4

secondary

#E2E6B4

accent

#D412C3

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665AE4

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

Preview Lab → · Contrast checker → · Palette generator →