#663AC1#663AC1
#663AC1 is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.1% C 0.198 H 292.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).
Color values
| HEX | #663AC1 |
|---|---|
| RGB | rgb(102, 58, 193) |
| HSL | hsl(260, 54%, 49%) |
| HSV | hsv(260, 70%, 76%) |
| CMYK | cmyk(47.2%, 69.9%, 0%, 24.3%) |
| CIE-LAB | lab(37.30, 49.83, -63.87) |
| CIE-LCH | lch(37.30, 81.01, 307.96°) |
| OKLab | oklab(48.14% 0.0749 -0.183) |
| OKLCH | oklch(48.14% 0.198 292.3) |
| XYZ | xyz(16.6155, 9.7006, 51.4387) |
| Luminance | 0.0970 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 2.05
Blurple
#5539CC
ΔE00 3.01
Blue With A Hint Of Purple
#533CC6
ΔE00 3.12
Burple
#6832E3
ΔE00 4.42
Ocean Blue
#4F42B5
ΔE00 4.68
Purple Blue
#5D21D0
ΔE00 4.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663AC1 #95C13A
analogous
#3A51C1 #663AC1 #AA3AC1
triadic
#663AC1 #C1663A #3AC166
tetradic
#663AC1 #C13A51 #95C13A #3AC1AA
square
#663AC1 #C13A51 #95C13A #3AC1AA
split-complementary
#663AC1 #C1AA3A #51C13A
monochromatic
#341E63 #4D2C92 #663AC1 #8A67D1 #AE96DF
Accessibility & contrast
On white
7.14
#663AC1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.94
#663AC1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663AC1
7.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663AC1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663AC1 | 1.00 | 7.14 | 2.94 | 7.14 |
| #FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.94 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AC5
Deuteranopia (green-blind)
#0055BE
Tritanopia (blue-blind)
#4A5C79
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #663ac1; /* rgb */ color: rgb(102, 58, 193); /* oklch */ color: oklch(48.1% 0.198 292.3);
Tailwind
colors: {
custom: {
50: '#9a74d5',
500: '#663ac1',
950: '#000000',
},
}SCSS
$custom: #663ac1; $custom-light: #9a74d5; $custom-dark: #000000;
JSON
{
"hex": "#663ac1",
"rgb": {
"r": 102,
"g": 58,
"b": 193
},
"hsl": {
"h": 259.556,
"s": 53.785,
"l": 49.216
},
"oklch": {
"l": 0.48143,
"c": 0.19778,
"h": 292.3
},
"luminance": 0.09701
}Semantic roles & 50–950 ramp
primary
#663AC1
secondary
#B6CB8C
accent
#DD4BAD
background
#FAF7FD
surface
#F3EDFA
border
#CDC8D3
text
#0F0814
muted
#7F7B83