#665DF5#665DF5

#665DF5 is a mid, highly saturated blue. Relative luminance 0.172; OKLCH L 57.6% C 0.219 H 279.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#665DF5
RGB	rgb(102, 93, 245)
HSL	hsl(244, 88%, 66%)
HSV	hsv(244, 62%, 96%)
CMYK	cmyk(58.4%, 62%, 0%, 3.9%)
CIE-LAB	lab(48.57, 45.73, -75.21)
CIE-LCH	lch(48.57, 88.02, 301.30°)
OKLab	oklab(57.56% 0.0366 -0.2163)
OKLCH	oklch(57.56% 0.219 279.6)
XYZ	xyz(25.8701, 17.2442, 88.3337)
Luminance	0.1725 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DF5 #ECF55D

analogous

#5DA0F5 #665DF5 #B25DF5

triadic

#665DF5 #F5665D #5DF566

tetradic

#665DF5 #F55DA0 #ECF55D #5DF5B2

square

#665DF5 #F55DA0 #ECF55D #5DF5B2

split-complementary

#665DF5 #F5B25D #A0F55D

monochromatic

#180DCB #3023F1 #665DF5 #9C97F9 #D3D0FC

Accessibility & contrast

On white

4.72

#665DF5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#665DF5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DF5

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DF5	#FFFFFF	#000000	##FFFFFF
##665DF5	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FA

Deuteranopia (green-blind)

#006DF2

Tritanopia (blue-blind)

#0083A0

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #665df5;
/* rgb */ color: rgb(102, 93, 245);
/* oklch */ color: oklch(57.6% 0.219 279.6);

Tailwind

colors: {
  custom: {
    50: '#9f8bf9',
    500: '#665df5',
    950: '#000000',
  },
}

SCSS

$custom: #665df5;
$custom-light: #9f8bf9;
$custom-dark: #000000;

JSON

{
  "hex": "#665df5",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 245
  },
  "hsl": {
    "h": 243.553,
    "s": 88.372,
    "l": 66.275
  },
  "oklch": {
    "l": 0.57557,
    "c": 0.21942,
    "h": 279.6
  },
  "luminance": 0.17246
}

Semantic roles & 50–950 ramp

primary

#665DF5

secondary

#EDF0BE

accent

#E501D7

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665DF5

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

Preview Lab → · Contrast checker → · Palette generator →