#663EAF#663EAF

#663EAF is a mid, vivid violet. Relative luminance 0.094; OKLCH L 47.3% C 0.171 H 295.4°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#663EAF
RGB	rgb(102, 62, 175)
HSL	hsl(261, 48%, 46%)
HSV	hsv(261, 65%, 69%)
CMYK	cmyk(41.7%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(36.68, 42.77, -54.27)
CIE-LCH	lch(36.68, 69.10, 308.24°)
OKLab	oklab(47.26% 0.0734 -0.1548)
OKLCH	oklch(47.26% 0.171 295.4)
XYZ	xyz(14.9379, 9.3648, 41.5697)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663EAF #87AF3E

analogous

#3E4FAF #663EAF #9F3EAF

triadic

#663EAF #AF663E #3EAF66

tetradic

#663EAF #AF3E4F #87AF3E #3EAF9F

square

#663EAF #AF3E4F #87AF3E #3EAF9F

split-complementary

#663EAF #AF9F3E #4FAF3E

monochromatic

#311E55 #4C2E82 #663EAF #8663C8 #A990D8

Accessibility & contrast

On white

7.31

#663EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#663EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663EAF

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663EAF	#FFFFFF	#000000	##FFFFFF
##663EAF	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B3

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#535871

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #663eaf;
/* rgb */ color: rgb(102, 62, 175);
/* oklch */ color: oklch(47.3% 0.171 295.4);

Tailwind

colors: {
  custom: {
    50: '#9776c8',
    500: '#663eaf',
    950: '#000000',
  },
}

SCSS

$custom: #663eaf;
$custom-light: #9776c8;
$custom-dark: #000000;

JSON

{
  "hex": "#663eaf",
  "rgb": {
    "r": 102,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 261.239,
    "s": 47.679,
    "l": 46.471
  },
  "oklch": {
    "l": 0.47258,
    "c": 0.17132,
    "h": 295.4
  },
  "luminance": 0.09365
}

Semantic roles & 50–950 ramp

primary

#663EAF

secondary

#ADC386

accent

#D751A8

background

#F9F7FC

surface

#F2EDF8

border

#CCC8D1

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #663EAF

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

Preview Lab → · Contrast checker → · Palette generator →