#663BA9#663BA9
#663BA9 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.4% C 0.168 H 297.4°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).
Color values
| HEX | #663BA9 |
|---|---|
| RGB | rgb(102, 59, 169) |
| HSL | hsl(263, 48%, 45%) |
| HSV | hsv(263, 65%, 66%) |
| CMYK | cmyk(39.6%, 65.1%, 0%, 33.7%) |
| CIE-LAB | lab(35.63, 42.79, -52.39) |
| CIE-LCH | lch(35.63, 67.64, 309.24°) |
| OKLab | oklab(46.36% 0.0773 -0.1493) |
| OKLCH | oklch(46.36% 0.168 297.4) |
| XYZ | xyz(14.2031, 8.8171, 38.4820) |
| Luminance | 0.0882 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.26
Bluey Purple
#6241C7
ΔE00 4.97
Ocean Blue
#4F42B5
ΔE00 5.30
Blue With A Hint Of Purple
#533CC6
ΔE00 5.62
Blurple
#5539CC
ΔE00 5.99
Royal Purple
#7851A9
ΔE00 6.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663BA9 #7EA93B
analogous
#3B47A9 #663BA9 #9D3BA9
triadic
#663BA9 #A9663B #3BA966
tetradic
#663BA9 #A93B47 #7EA93B #3BA99D
square
#663BA9 #A93B47 #7EA93B #3BA99D
split-complementary
#663BA9 #A99D3B #47A93B
monochromatic
#2F1B4E #4B2B7C #663BA9 #855BC6 #A789D6
Accessibility & contrast
On white
7.60
#663BA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.76
#663BA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663BA9
7.60:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663BA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663BA9 | 1.00 | 7.60 | 2.76 | 7.60 |
| #FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.76 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.60 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054AC
Deuteranopia (green-blind)
#0053A7
Tritanopia (blue-blind)
#56546D
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #663ba9; /* rgb */ color: rgb(102, 59, 169); /* oklch */ color: oklch(46.4% 0.168 297.4);
Tailwind
colors: {
custom: {
50: '#9773c3',
500: '#663ba9',
950: '#000000',
},
}SCSS
$custom: #663ba9; $custom-light: #9773c3; $custom-dark: #000000;
JSON
{
"hex": "#663ba9",
"rgb": {
"r": 102,
"g": 59,
"b": 169
},
"hsl": {
"h": 263.455,
"s": 48.246,
"l": 44.706
},
"oklch": {
"l": 0.46362,
"c": 0.16812,
"h": 297.4
},
"luminance": 0.08817
}Semantic roles & 50–950 ramp
primary
#663BA9
secondary
#A7C080
accent
#D850A3
background
#F9F7FC
surface
#F2EDF8
border
#CCC8D1
text
#0E0813
muted
#7E7B82