#665AE6#665AE6

#665AE6 is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 55.9% C 0.204 H 281.4°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#665AE6
RGB	rgb(102, 90, 230)
HSL	hsl(245, 74%, 63%)
HSV	hsv(245, 61%, 90%)
CMYK	cmyk(55.7%, 60.9%, 0%, 9.8%)
CIE-LAB	lab(46.78, 42.85, -69.70)
CIE-LCH	lch(46.78, 81.82, 301.58°)
OKLab	oklab(55.89% 0.0403 -0.2002)
OKLCH	oklch(55.89% 0.204 281.4)
XYZ	xyz(23.4141, 15.8488, 76.6729)
Luminance	0.1585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AE6 #DAE65A

analogous

#5A94E6 #665AE6 #AC5AE6

triadic

#665AE6 #E6665A #5AE666

tetradic

#665AE6 #E65A94 #DAE65A #5AE6AC

square

#665AE6 #E65A94 #DAE65A #5AE6AC

split-complementary

#665AE6 #E6AC5A #94E65A

monochromatic

#261AAC #3525DE #665AE6 #978FEE #C9C4F6

Accessibility & contrast

On white

5.04

#665AE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#665AE6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AE6

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AE6	#FFFFFF	#000000	##FFFFFF
##665AE6	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074EB

Deuteranopia (green-blind)

#006AE3

Tritanopia (blue-blind)

#247C98

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665ae6;
/* rgb */ color: rgb(102, 90, 230);
/* oklch */ color: oklch(55.9% 0.204 281.4);

Tailwind

colors: {
  custom: {
    50: '#9c89ef',
    500: '#665ae6',
    950: '#000000',
  },
}

SCSS

$custom: #665ae6;
$custom-light: #9c89ef;
$custom-dark: #000000;

JSON

{
  "hex": "#665ae6",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 230
  },
  "hsl": {
    "h": 245.143,
    "s": 73.684,
    "l": 62.745
  },
  "oklch": {
    "l": 0.55894,
    "c": 0.20417,
    "h": 281.4
  },
  "luminance": 0.1585
}

Semantic roles & 50–950 ramp

primary

#665AE6

secondary

#E3E7B5

accent

#D610C5

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #665AE6

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

Preview Lab → · Contrast checker → · Palette generator →