#664BDF#664BDF

#664BDF is a mid, highly saturated violet. Relative luminance 0.132; OKLCH L 53.0% C 0.214 H 284.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#664BDF
RGB	rgb(102, 75, 223)
HSL	hsl(251, 70%, 58%)
HSV	hsv(251, 66%, 87%)
CMYK	cmyk(54.3%, 66.4%, 0%, 12.5%)
CIE-LAB	lab(43.04, 49.28, -71.82)
CIE-LCH	lch(43.04, 87.10, 304.46°)
OKLab	oklab(53.01% 0.0546 -0.2064)
OKLCH	oklch(53.01% 0.214 284.8)
XYZ	xyz(21.3108, 13.1834, 71.2195)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664BDF #C4DF4B

analogous

#4B7ADF #664BDF #B04BDF

triadic

#664BDF #DF664B #4BDF66

tetradic

#664BDF #DF4B7A #C4DF4B #4BDFB0

square

#664BDF #DF4B7A #C4DF4B #4BDFB0

split-complementary

#664BDF #DFB04B #7ADF4B

monochromatic

#311B95 #4224C9 #664BDF #927FE8 #BEB3F1

Accessibility & contrast

On white

5.77

#664BDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#664BDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664BDF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664BDF	#FFFFFF	#000000	##FFFFFF
##664BDF	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AE4

Deuteranopia (green-blind)

#0061DC

Tritanopia (blue-blind)

#30718F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #664bdf;
/* rgb */ color: rgb(102, 75, 223);
/* oklch */ color: oklch(53.0% 0.214 284.8);

Tailwind

colors: {
  custom: {
    50: '#9c7fea',
    500: '#664bdf',
    950: '#000000',
  },
}

SCSS

$custom: #664bdf;
$custom-light: #9c7fea;
$custom-dark: #000000;

JSON

{
  "hex": "#664bdf",
  "rgb": {
    "r": 102,
    "g": 75,
    "b": 223
  },
  "hsl": {
    "h": 250.946,
    "s": 69.811,
    "l": 58.431
  },
  "oklch": {
    "l": 0.5301,
    "c": 0.21352,
    "h": 284.8
  },
  "luminance": 0.13185
}

Semantic roles & 50–950 ramp

primary

#664BDF

secondary

#D6E0A6

accent

#ED3BCC

background

#FAF7FE

surface

#F4EEFD

border

#CEC9D5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #664BDF

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

Preview Lab → · Contrast checker → · Palette generator →