#663DA2#663DA2
#663DA2 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.1% C 0.157 H 298.8°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).
Color values
| HEX | #663DA2 |
|---|---|
| RGB | rgb(102, 61, 162) |
| HSL | hsl(264, 45%, 44%) |
| HSV | hsv(264, 62%, 64%) |
| CMYK | cmyk(37%, 62.3%, 0%, 36.5%) |
| CIE-LAB | lab(35.54, 39.80, -48.34) |
| CIE-LCH | lch(35.54, 62.62, 309.47°) |
| OKLab | oklab(46.14% 0.0755 -0.1374) |
| OKLCH | oklch(46.14% 0.157 298.8) |
| XYZ | xyz(13.6682, 8.7707, 35.1482) |
| Luminance | 0.0877 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 2.82
Ocean Blue
#4F42B5
ΔE00 5.89
Bluey Purple
#6241C7
ΔE00 6.00
Royal Purple
#7851A9
ΔE00 6.40
Blue With A Hint Of Purple
#533CC6
ΔE00 6.69
Darkslateblue
#483D8B
ΔE00 6.71
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663DA2 #79A23D
analogous
#3D47A2 #663DA2 #983DA2
triadic
#663DA2 #A2663D #3DA266
tetradic
#663DA2 #A23D47 #79A23D #3DA298
square
#663DA2 #A23D47 #79A23D #3DA298
split-complementary
#663DA2 #A2983D #47A23D
monochromatic
#2E1C49 #4A2C76 #663DA2 #845BC1 #A687D2
Accessibility & contrast
On white
7.62
#663DA2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.75
#663DA2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663DA2
7.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663DA2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663DA2 | 1.00 | 7.62 | 2.75 | 7.62 |
| #FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0054A5
Deuteranopia (green-blind)
#1353A0
Tritanopia (blue-blind)
#58536A
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #663da2; /* rgb */ color: rgb(102, 61, 162); /* oklch */ color: oklch(46.1% 0.157 298.8);
Tailwind
colors: {
custom: {
50: '#9675be',
500: '#663da2',
950: '#000000',
},
}SCSS
$custom: #663da2; $custom-light: #9675be; $custom-dark: #000000;
JSON
{
"hex": "#663da2",
"rgb": {
"r": 102,
"g": 61,
"b": 162
},
"hsl": {
"h": 264.356,
"s": 45.291,
"l": 43.725
},
"oklch": {
"l": 0.46137,
"c": 0.15677,
"h": 298.8
},
"luminance": 0.08771
}Semantic roles & 50–950 ramp
primary
#663DA2
secondary
#A3BC7E
accent
#D553A0
background
#F9F7FB
surface
#F2EDF7
border
#CCC8D0
text
#0E0812
muted
#7E7B81