#665CEA#665CEA

#665CEA is a mid, highly saturated blue. Relative luminance 0.164; OKLCH L 56.5% C 0.207 H 280.6°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#665CEA
RGB	rgb(102, 92, 234)
HSL	hsl(244, 77%, 64%)
HSV	hsv(244, 61%, 92%)
CMYK	cmyk(56.4%, 60.7%, 0%, 8.2%)
CIE-LAB	lab(47.52, 42.92, -70.75)
CIE-LCH	lch(47.52, 82.75, 301.24°)
OKLab	oklab(56.53% 0.0382 -0.2032)
OKLCH	oklch(56.53% 0.207 280.6)
XYZ	xyz(24.1533, 16.4180, 79.7222)
Luminance	0.1642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CEA #E0EA5C

analogous

#5C99EA #665CEA #AD5CEA

triadic

#665CEA #EA665C #5CEA66

tetradic

#665CEA #EA5C99 #E0EA5C #5CEAAD

square

#665CEA #EA5C99 #E0EA5C #5CEAAD

split-complementary

#665CEA #EAAD5C #99EA5C

monochromatic

#2217B4 #3326E3 #665CEA #9992F1 #CCC8F8

Accessibility & contrast

On white

4.90

#665CEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#665CEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CEA

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CEA	#FFFFFF	#000000	##FFFFFF
##665CEA	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EF

Deuteranopia (green-blind)

#006BE7

Tritanopia (blue-blind)

#1C7F9A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665cea;
/* rgb */ color: rgb(102, 92, 234);
/* oklch */ color: oklch(56.5% 0.207 280.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#665cea",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 234
  },
  "hsl": {
    "h": 244.225,
    "s": 77.174,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56531,
    "c": 0.20679,
    "h": 280.6
  },
  "luminance": 0.1642
}

Semantic roles & 50–950 ramp

primary

#665CEA

secondary

#E6EAB8

accent

#D90CCB

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665CEA

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

Preview Lab → · Contrast checker → · Palette generator →