#664FAF#664FAF

#664FAF is a mid, vivid violet. Relative luminance 0.115; OKLCH L 50.0% C 0.147 H 291.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#664FAF
RGB	rgb(102, 79, 175)
HSL	hsl(254, 38%, 50%)
HSV	hsv(254, 55%, 69%)
CMYK	cmyk(41.7%, 54.9%, 0%, 31.4%)
CIE-LAB	lab(40.43, 32.91, -48.21)
CIE-LCH	lch(40.43, 58.38, 304.32°)
OKLab	oklab(50.01% 0.0531 -0.137)
OKLCH	oklch(50.01% 0.147 291.2)
XYZ	xyz(16.0112, 11.5114, 41.9275)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#664FAF #98AF4F

analogous

#4F68AF #664FAF #964FAF

triadic

#664FAF #AF664F #4FAF66

tetradic

#664FAF #AF4F68 #98AF4F #4FAF96

square

#664FAF #AF4F68 #98AF4F #4FAF96

split-complementary

#664FAF #AF964F #68AF4F

monochromatic

#35295B #4D3C85 #664FAF #8A79C2 #AFA3D5

Accessibility & contrast

On white

6.36

#664FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#664FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #664FAF

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##664FAF	#FFFFFF	#000000	##FFFFFF
##664FAF	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2061B2

Deuteranopia (green-blind)

#255DAD

Tritanopia (blue-blind)

#526377

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #664faf;
/* rgb */ color: rgb(102, 79, 175);
/* oklch */ color: oklch(50.0% 0.147 291.2);

Tailwind

colors: {
  custom: {
    50: '#9681c7',
    500: '#664faf',
    950: '#000000',
  },
}

SCSS

$custom: #664faf;
$custom-light: #9681c7;
$custom-dark: #000000;

JSON

{
  "hex": "#664faf",
  "rgb": {
    "r": 102,
    "g": 79,
    "b": 175
  },
  "hsl": {
    "h": 254.375,
    "s": 37.795,
    "l": 49.804
  },
  "oklch": {
    "l": 0.50006,
    "c": 0.14695,
    "h": 291.2
  },
  "luminance": 0.11512
}

Semantic roles & 50–950 ramp

primary

#664FAF

secondary

#B8C397

accent

#CE5AB2

background

#F9F7FC

surface

#F2EEF8

border

#CCC9D1

text

#0E0A13

muted

#7E7C82

Preview Lab

Preview with #664FAF

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

Preview Lab → · Contrast checker → · Palette generator →