#665CEB#665CEB

#665CEB is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 56.6% C 0.208 H 280.6°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#665CEB
RGB	rgb(102, 92, 235)
HSL	hsl(244, 78%, 64%)
HSV	hsv(244, 61%, 92%)
CMYK	cmyk(56.6%, 60.9%, 0%, 7.8%)
CIE-LAB	lab(47.59, 43.22, -71.19)
CIE-LCH	lch(47.59, 83.28, 301.26°)
OKLab	oklab(56.61% 0.0382 -0.2045)
OKLCH	oklch(56.61% 0.208 280.6)
XYZ	xyz(24.2973, 16.4756, 80.4809)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CEB #E1EB5C

analogous

#5C9AEB #665CEB #AE5CEB

triadic

#665CEB #EB665C #5CEB66

tetradic

#665CEB #EB5C9A #E1EB5C #5CEBAE

square

#665CEB #EB5C9A #E1EB5C #5CEBAE

split-complementary

#665CEB #EBAE5C #9AEB5C

monochromatic

#2216B6 #3325E4 #665CEB #9993F2 #CCC9F8

Accessibility & contrast

On white

4.89

#665CEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#665CEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CEB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CEB	#FFFFFF	#000000	##FFFFFF
##665CEB	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076F0

Deuteranopia (green-blind)

#006CE8

Tritanopia (blue-blind)

#1A7F9B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665ceb;
/* rgb */ color: rgb(102, 92, 235);
/* oklch */ color: oklch(56.6% 0.208 280.6);

Tailwind

colors: {
  custom: {
    50: '#9d8bf2',
    500: '#665ceb',
    950: '#000000',
  },
}

SCSS

$custom: #665ceb;
$custom-light: #9d8bf2;
$custom-dark: #000000;

JSON

{
  "hex": "#665ceb",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 235
  },
  "hsl": {
    "h": 244.196,
    "s": 78.142,
    "l": 64.118
  },
  "oklch": {
    "l": 0.56609,
    "c": 0.20806,
    "h": 280.6
  },
  "luminance": 0.16477
}

Semantic roles & 50–950 ramp

primary

#665CEB

secondary

#E7EAB8

accent

#DA0BCC

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665CEB

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

Preview Lab → · Contrast checker → · Palette generator →