#665DF6#665DF6

#665DF6 is a mid, highly saturated blue. Relative luminance 0.173; OKLCH L 57.6% C 0.221 H 279.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#665DF6
RGB	rgb(102, 93, 246)
HSL	hsl(244, 89%, 66%)
HSV	hsv(244, 62%, 96%)
CMYK	cmyk(58.5%, 62.2%, 0%, 3.5%)
CIE-LAB	lab(48.64, 46.04, -75.64)
CIE-LCH	lch(48.64, 88.55, 301.33°)
OKLab	oklab(57.64% 0.0366 -0.2176)
OKLCH	oklch(57.64% 0.221 279.5)
XYZ	xyz(26.0231, 17.3054, 89.1399)
Luminance	0.1731 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DF6 #EDF65D

analogous

#5DA1F6 #665DF6 #B25DF6

triadic

#665DF6 #F6665D #5DF666

tetradic

#665DF6 #F65DA1 #EDF65D #5DF6B2

square

#665DF6 #F65DA1 #EDF65D #5DF6B2

split-complementary

#665DF6 #F6B25D #A1F65D

monochromatic

#170BCD #2F23F3 #665DF6 #9D97F9 #D4D1FC

Accessibility & contrast

On white

4.71

#665DF6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#665DF6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DF6

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DF6	#FFFFFF	#000000	##FFFFFF
##665DF6	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FB

Deuteranopia (green-blind)

#006EF3

Tritanopia (blue-blind)

#0083A1

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #665df6;
/* rgb */ color: rgb(102, 93, 246);
/* oklch */ color: oklch(57.6% 0.221 279.5);

Tailwind

colors: {
  custom: {
    50: '#9f8bfa',
    500: '#665df6',
    950: '#000000',
  },
}

SCSS

$custom: #665df6;
$custom-light: #9f8bfa;
$custom-dark: #000000;

JSON

{
  "hex": "#665df6",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 246
  },
  "hsl": {
    "h": 243.529,
    "s": 89.474,
    "l": 66.471
  },
  "oklch": {
    "l": 0.57636,
    "c": 0.22067,
    "h": 279.5
  },
  "luminance": 0.17307
}

Semantic roles & 50–950 ramp

primary

#665DF6

secondary

#EDF0BF

accent

#E600D8

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #665DF6

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

Preview Lab → · Contrast checker → · Palette generator →