#665EE7#665EE7

#665EE7 is a mid, highly saturated blue. Relative luminance 0.166; OKLCH L 56.6% C 0.200 H 280.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#665EE7
RGB	rgb(102, 94, 231)
HSL	hsl(244, 74%, 64%)
HSV	hsv(244, 59%, 91%)
CMYK	cmyk(55.8%, 59.3%, 0%, 9.4%)
CIE-LAB	lab(47.75, 40.81, -68.68)
CIE-LCH	lch(47.75, 79.89, 300.72°)
OKLab	oklab(56.63% 0.0365 -0.1971)
OKLCH	oklch(56.63% 0.2 280.5)
XYZ	xyz(23.9015, 16.5981, 77.5301)
Luminance	0.1660 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EE7 #DFE75E

analogous

#5E9AE7 #665EE7 #AA5EE7

triadic

#665EE7 #E7665E #5EE766

tetradic

#665EE7 #E75E9A #DFE75E #5EE7AA

square

#665EE7 #E75E9A #DFE75E #5EE7AA

split-complementary

#665EE7 #E7AA5E #9AE75E

monochromatic

#231AB0 #3329DF #665EE7 #9993EF #CBC9F7

Accessibility & contrast

On white

4.86

#665EE7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#665EE7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EE7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EE7	#FFFFFF	#000000	##FFFFFF
##665EE7	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EB

Deuteranopia (green-blind)

#006CE4

Tritanopia (blue-blind)

#217F9A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #665ee7;
/* rgb */ color: rgb(102, 94, 231);
/* oklch */ color: oklch(56.6% 0.200 280.5);

Tailwind

colors: {
  custom: {
    50: '#9c8cf0',
    500: '#665ee7',
    950: '#000000',
  },
}

SCSS

$custom: #665ee7;
$custom-light: #9c8cf0;
$custom-dark: #000000;

JSON

{
  "hex": "#665ee7",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 231
  },
  "hsl": {
    "h": 243.504,
    "s": 74.054,
    "l": 63.725
  },
  "oklch": {
    "l": 0.56632,
    "c": 0.20049,
    "h": 280.5
  },
  "luminance": 0.166
}

Semantic roles & 50–950 ramp

primary

#665EE7

secondary

#E6E9B8

accent

#D60FCB

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665EE7

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

Preview Lab → · Contrast checker → · Palette generator →