#664C8D#664C8D

#664C8D is a mid, moderate violet. Relative luminance 0.099; OKLCH L 47.3% C 0.105 H 300.9°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#664C8D
RGB	rgb(102, 76, 141)
HSL	hsl(264, 30%, 43%)
HSV	hsv(264, 46%, 55%)
CMYK	cmyk(27.7%, 46.1%, 0%, 44.7%)
CIE-LAB	lab(37.69, 25.32, -32.19)
CIE-LCH	lch(37.69, 40.96, 308.20°)
OKLab	oklab(47.31% 0.054 -0.0901)
OKLCH	oklch(47.31% 0.105 300.9)
XYZ	xyz(12.8706, 9.9167, 26.4302)
Luminance	0.0992 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664C8D #738D4C

analogous

#4C528D #664C8D #874C8D

triadic

#664C8D #8D664C #4C8D66

tetradic

#664C8D #8D4C52 #738D4C #4C8D87

square

#664C8D #8D4C52 #738D4C #4C8D87

split-complementary

#664C8D #8D874C #528D4C

monochromatic

#2C213D #493765 #664C8D #8468AE #A590C3

Accessibility & contrast

On white

7.04

#664C8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#664C8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #664C8D

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664C8D	#FFFFFF	#000000	##FFFFFF
##664C8D	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A588F

Deuteranopia (green-blind)

#3F588B

Tritanopia (blue-blind)

#5F5766

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #664c8d;
/* rgb */ color: rgb(102, 76, 141);
/* oklch */ color: oklch(47.3% 0.105 300.9);

Tailwind

colors: {
  custom: {
    50: '#937eae',
    500: '#664c8d',
    950: '#000000',
  },
}

SCSS

$custom: #664c8d;
$custom-light: #937eae;
$custom-dark: #000000;

JSON

{
  "hex": "#664c8d",
  "rgb": {
    "r": 102,
    "g": 76,
    "b": 141
  },
  "hsl": {
    "h": 264,
    "s": 29.954,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47314,
    "c": 0.10505,
    "h": 300.9
  },
  "luminance": 0.09917
}

Semantic roles & 50–950 ramp

primary

#664C8D

secondary

#9FAF85

accent

#C6629E

background

#F9F7FA

surface

#F1EEF4

border

#CBC9CE

text

#0D0A10

muted

#7E7C7F

Preview Lab

Preview with #664C8D

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

Preview Lab → · Contrast checker → · Palette generator →