#664DD7#664DD7

#664DD7 is a mid, highly saturated violet. Relative luminance 0.130; OKLCH L 52.7% C 0.201 H 285.5°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#664DD7
RGB	rgb(102, 77, 215)
HSL	hsl(251, 63%, 57%)
HSV	hsv(251, 64%, 84%)
CMYK	cmyk(52.6%, 64.2%, 0%, 15.7%)
CIE-LAB	lab(42.82, 45.81, -67.61)
CIE-LCH	lch(42.82, 81.66, 304.12°)
OKLab	oklab(52.66% 0.0537 -0.194)
OKLCH	oklch(52.66% 0.201 285.5)
XYZ	xyz(20.3954, 13.0377, 65.7187)
Luminance	0.1304 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DD7 #BED74D

analogous

#4D79D7 #664DD7 #AB4DD7

triadic

#664DD7 #D7664D #4DD766

tetradic

#664DD7 #D74D79 #BED74D #4DD7AB

square

#664DD7 #D74D79 #BED74D #4DD7AB

split-complementary

#664DD7 #D7AB4D #79D74D

monochromatic

#331F8A #452ABC #664DD7 #917FE2 #BCB1ED

Accessibility & contrast

On white

5.82

#664DD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#664DD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DD7

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DD7	#FFFFFF	#000000	##FFFFFF
##664DD7	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DB

Deuteranopia (green-blind)

#0061D4

Tritanopia (blue-blind)

#386F8B

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #664dd7;
/* rgb */ color: rgb(102, 77, 215);
/* oklch */ color: oklch(52.7% 0.201 285.5);

Tailwind

colors: {
  custom: {
    50: '#9b80e4',
    500: '#664dd7',
    950: '#000000',
  },
}

SCSS

$custom: #664dd7;
$custom-light: #9b80e4;
$custom-dark: #000000;

JSON

{
  "hex": "#664dd7",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 215
  },
  "hsl": {
    "h": 250.87,
    "s": 63.303,
    "l": 57.255
  },
  "oklch": {
    "l": 0.52656,
    "c": 0.20135,
    "h": 285.5
  },
  "luminance": 0.13039
}

Semantic roles & 50–950 ramp

primary

#664DD7

secondary

#D2DCA4

accent

#E641C8

background

#FAF7FE

surface

#F4EEFC

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664DD7

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

Preview Lab → · Contrast checker → · Palette generator →