#664DE9#664DE9

#664DE9 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 54.1% C 0.223 H 283.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#664DE9
RGB	rgb(102, 77, 233)
HSL	hsl(250, 78%, 61%)
HSV	hsv(250, 67%, 91%)
CMYK	cmyk(56.2%, 67%, 0%, 8.6%)
CIE-LAB	lab(44.25, 51.13, -75.51)
CIE-LCH	lch(44.25, 91.19, 304.10°)
OKLab	oklab(54.14% 0.0515 -0.2172)
OKLCH	oklch(54.14% 0.223 283.3)
XYZ	xyz(22.8368, 14.0143, 78.5767)
Luminance	0.1402 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DE9 #D0E94D

analogous

#4D82E9 #664DE9 #B44DE9

triadic

#664DE9 #E9664D #4DE966

tetradic

#664DE9 #E94D82 #D0E94D #4DE9B4

square

#664DE9 #E94D82 #D0E94D #4DE9B4

split-complementary

#664DE9 #E9B44D #82E94D

monochromatic

#2C15A7 #3A1BDD #664DE9 #9583F0 #C4BAF6

Accessibility & contrast

On white

5.52

#664DE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#664DE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DE9

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DE9	#FFFFFF	#000000	##FFFFFF
##664DE9	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DEE

Deuteranopia (green-blind)

#0063E6

Tritanopia (blue-blind)

#217595

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #664de9;
/* rgb */ color: rgb(102, 77, 233);
/* oklch */ color: oklch(54.1% 0.223 283.3);

Tailwind

colors: {
  custom: {
    50: '#9e81f1',
    500: '#664de9',
    950: '#000000',
  },
}

SCSS

$custom: #664de9;
$custom-light: #9e81f1;
$custom-dark: #000000;

JSON

{
  "hex": "#664de9",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 233
  },
  "hsl": {
    "h": 249.615,
    "s": 78,
    "l": 60.784
  },
  "oklch": {
    "l": 0.54135,
    "c": 0.22327,
    "h": 283.3
  },
  "luminance": 0.14016
}

Semantic roles & 50–950 ramp

primary

#664DE9

secondary

#DDE6AB

accent

#DA0BB9

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#100A17

muted

#7F7C85

Preview Lab

Preview with #664DE9

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

Preview Lab → · Contrast checker → · Palette generator →