#664DA5#664DA5

#664DA5 is a mid, vivid violet. Relative luminance 0.108; OKLCH L 49.0% C 0.136 H 293.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#664DA5
RGB	rgb(102, 77, 165)
HSL	hsl(257, 36%, 47%)
HSV	hsv(257, 53%, 65%)
CMYK	cmyk(38.2%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(39.32, 31.27, -44.05)
CIE-LCH	lch(39.32, 54.02, 305.37°)
OKLab	oklab(48.98% 0.0552 -0.1248)
OKLCH	oklch(48.98% 0.136 293.9)
XYZ	xyz(14.9231, 10.8488, 36.8978)
Luminance	0.1085 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664DA5 #8CA54D

analogous

#4D60A5 #664DA5 #924DA5

triadic

#664DA5 #A5664D #4DA566

tetradic

#664DA5 #A54D60 #8CA54D #4DA592

square

#664DA5 #A54D60 #8CA54D #4DA592

split-complementary

#664DA5 #A5924D #60A54D

monochromatic

#322652 #4C3A7B #664DA5 #8772BD #AB9CD1

Accessibility & contrast

On white

6.63

#664DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#664DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664DA5

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664DA5	#FFFFFF	#000000	##FFFFFF
##664DA5	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285EA8

Deuteranopia (green-blind)

#2E5BA3

Tritanopia (blue-blind)

#565F71

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #664da5;
/* rgb */ color: rgb(102, 77, 165);
/* oklch */ color: oklch(49.0% 0.136 293.9);

Tailwind

colors: {
  custom: {
    50: '#957fc0',
    500: '#664da5',
    950: '#000000',
  },
}

SCSS

$custom: #664da5;
$custom-light: #957fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#664da5",
  "rgb": {
    "r": 102,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 257.045,
    "s": 36.364,
    "l": 47.451
  },
  "oklch": {
    "l": 0.48984,
    "c": 0.13646,
    "h": 293.9
  },
  "luminance": 0.10849
}

Semantic roles & 50–950 ramp

primary

#664DA5

secondary

#B1BD90

accent

#CC5BAC

background

#F9F7FB

surface

#F2EEF7

border

#CCC9D0

text

#0E0A12

muted

#7E7C81

Preview Lab

Preview with #664DA5

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

Preview Lab → · Contrast checker → · Palette generator →