#663AAA#663AAA
#663AAA is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.3% C 0.171 H 297.3°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).
Color values
| HEX | #663AAA |
|---|---|
| RGB | rgb(102, 58, 170) |
| HSL | hsl(264, 49%, 45%) |
| HSV | hsv(264, 66%, 67%) |
| CMYK | cmyk(40%, 65.9%, 0%, 33.3%) |
| CIE-LAB | lab(35.50, 43.60, -53.19) |
| CIE-LCH | lch(35.50, 68.77, 309.34°) |
| OKLab | oklab(46.29% 0.0784 -0.1516) |
| OKLCH | oklch(46.29% 0.171 297.3) |
| XYZ | xyz(14.2464, 8.7529, 38.9613) |
| Luminance | 0.0875 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.27
Bluey Purple
#6241C7
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 5.31
Blue With A Hint Of Purple
#533CC6
ΔE00 5.50
Blurple
#5539CC
ΔE00 5.83
Purple Blue
#5D21D0
ΔE00 6.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663AAA #7EAA3A
analogous
#3A46AA #663AAA #9E3AAA
triadic
#663AAA #AA663A #3AAA66
tetradic
#663AAA #AA3A46 #7EAA3A #3AAA9E
square
#663AAA #AA3A46 #7EAA3A #3AAA9E
split-complementary
#663AAA #AA9E3A #46AA3A
monochromatic
#2F1B4F #4B2A7C #663AAA #855AC7 #A788D6
Accessibility & contrast
On white
7.63
#663AAA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#663AAA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663AAA
7.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663AAA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663AAA | 1.00 | 7.63 | 2.75 | 7.63 |
| #FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054AD
Deuteranopia (green-blind)
#0052A8
Tritanopia (blue-blind)
#55546D
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #663aaa; /* rgb */ color: rgb(102, 58, 170); /* oklch */ color: oklch(46.3% 0.171 297.3);
Tailwind
colors: {
custom: {
50: '#9773c4',
500: '#663aaa',
950: '#000000',
},
}SCSS
$custom: #663aaa; $custom-light: #9773c4; $custom-dark: #000000;
JSON
{
"hex": "#663aaa",
"rgb": {
"r": 102,
"g": 58,
"b": 170
},
"hsl": {
"h": 263.571,
"s": 49.123,
"l": 44.706
},
"oklch": {
"l": 0.46294,
"c": 0.17069,
"h": 297.3
},
"luminance": 0.08753
}Semantic roles & 50–950 ramp
primary
#663AAA
secondary
#A7C17F
accent
#D94FA3
background
#F9F7FC
surface
#F2EDF8
border
#CCC8D1
text
#0E0813
muted
#7E7B82