#663EA4#663EA4
#663EA4 is a mid, vivid violet. Relative luminance 0.089; OKLCH L 46.4% C 0.158 H 298.0°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).
Color values
| HEX | #663EA4 |
|---|---|
| RGB | rgb(102, 62, 164) |
| HSL | hsl(264, 45%, 44%) |
| HSV | hsv(264, 62%, 64%) |
| CMYK | cmyk(37.8%, 62.2%, 0%, 35.7%) |
| CIE-LAB | lab(35.89, 39.78, -48.97) |
| CIE-LCH | lch(35.89, 63.09, 309.09°) |
| OKLab | oklab(46.44% 0.0742 -0.1393) |
| OKLCH | oklch(46.44% 0.158 298) |
| XYZ | xyz(13.9013, 8.9502, 36.1099) |
| Luminance | 0.0895 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.21
Ocean Blue
#4F42B5
ΔE00 5.59
Bluey Purple
#6241C7
ΔE00 5.63
Royal Purple
#7851A9
ΔE00 6.22
Blue With A Hint Of Purple
#533CC6
ΔE00 6.39
Blueberry
#464196
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663EA4 #7CA43E
analogous
#3E49A4 #663EA4 #993EA4
triadic
#663EA4 #A4663E #3EA466
tetradic
#663EA4 #A43E49 #7CA43E #3EA499
square
#663EA4 #A43E49 #7CA43E #3EA499
split-complementary
#663EA4 #A4993E #49A43E
monochromatic
#2F1C4B #4A2D78 #663EA4 #855DC2 #A68AD3
Accessibility & contrast
On white
7.53
#663EA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.79
#663EA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663EA4
7.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663EA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663EA4 | 1.00 | 7.53 | 2.79 | 7.53 |
| #FFFFFF | 7.53 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.79 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.53 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0055A7
Deuteranopia (green-blind)
#1153A2
Tritanopia (blue-blind)
#58546B
Achromatopsia (no color)
#545454
Design tokens & code
CSS
--color: #663ea4; /* rgb */ color: rgb(102, 62, 164); /* oklch */ color: oklch(46.4% 0.158 298.0);
Tailwind
colors: {
custom: {
50: '#9675c0',
500: '#663ea4',
950: '#000000',
},
}SCSS
$custom: #663ea4; $custom-light: #9675c0; $custom-dark: #000000;
JSON
{
"hex": "#663ea4",
"rgb": {
"r": 102,
"g": 62,
"b": 164
},
"hsl": {
"h": 263.529,
"s": 45.133,
"l": 44.314
},
"oklch": {
"l": 0.46436,
"c": 0.15778,
"h": 298
},
"luminance": 0.0895
}Semantic roles & 50–950 ramp
primary
#663EA4
secondary
#A5BD81
accent
#D553A2
background
#F9F7FB
surface
#F2EDF7
border
#CCC8D0
text
#0E0812
muted
#7E7B81