#664E97#664E97

#664E97 is a mid, moderate violet. Relative luminance 0.105; OKLCH L 48.3% C 0.116 H 297.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#664E97
RGB	rgb(102, 78, 151)
HSL	hsl(260, 32%, 45%)
HSV	hsv(260, 48%, 59%)
CMYK	cmyk(32.5%, 48.3%, 0%, 40.8%)
CIE-LAB	lab(38.74, 26.78, -36.59)
CIE-LCH	lch(38.74, 45.34, 306.20°)
OKLab	oklab(48.28% 0.0525 -0.1029)
OKLCH	oklch(48.28% 0.116 297)
XYZ	xyz(13.7884, 10.5078, 30.5739)
Luminance	0.1051 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664E97 #7F974E

analogous

#4E5A97 #664E97 #8B4E97

triadic

#664E97 #97664E #4E9766

tetradic

#664E97 #974E5A #7F974E #4E978B

square

#664E97 #974E5A #7F974E #4E978B

split-complementary

#664E97 #978B4E #5A974E

monochromatic

#2F2446 #4B396F #664E97 #856EB4 #A796C9

Accessibility & contrast

On white

6.77

#664E97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#664E97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664E97

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664E97	#FFFFFF	#000000	##FFFFFF
##664E97	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365C9A

Deuteranopia (green-blind)

#3B5A95

Tritanopia (blue-blind)

#5B5C6B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #664e97;
/* rgb */ color: rgb(102, 78, 151);
/* oklch */ color: oklch(48.3% 0.116 297.0);

Tailwind

colors: {
  custom: {
    50: '#9480b6',
    500: '#664e97',
    950: '#000000',
  },
}

SCSS

$custom: #664e97;
$custom-light: #9480b6;
$custom-dark: #000000;

JSON

{
  "hex": "#664e97",
  "rgb": {
    "r": 102,
    "g": 78,
    "b": 151
  },
  "hsl": {
    "h": 259.726,
    "s": 31.878,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48279,
    "c": 0.11557,
    "h": 297
  },
  "luminance": 0.10508
}

Semantic roles & 50–950 ramp

primary

#664E97

secondary

#A8B68B

accent

#C860A6

background

#F9F7FB

surface

#F2EEF6

border

#CCC9D0

text

#0D0A11

muted

#7E7C80

Preview Lab

Preview with #664E97

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

Preview Lab → · Contrast checker → · Palette generator →