#663EAC#663EAC
#663EAC is a mid, vivid violet. Relative luminance 0.092; OKLCH L 47.0% C 0.168 H 296.0°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).
Color values
| HEX | #663EAC |
|---|---|
| RGB | rgb(102, 62, 172) |
| HSL | hsl(262, 47%, 46%) |
| HSV | hsv(262, 64%, 67%) |
| CMYK | cmyk(40.7%, 64%, 0%, 32.5%) |
| CIE-LAB | lab(36.46, 41.95, -52.84) |
| CIE-LCH | lch(36.46, 67.47, 308.45°) |
| OKLab | oklab(47.03% 0.0736 -0.1506) |
| OKLCH | oklch(47.03% 0.168 296) |
| XYZ | xyz(14.6466, 9.2483, 40.0351) |
| Luminance | 0.0925 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 4.10
Bluey Purple
#6241C7
ΔE00 4.32
Ocean Blue
#4F42B5
ΔE00 4.79
Blue With A Hint Of Purple
#533CC6
ΔE00 5.20
Blurple
#5539CC
ΔE00 5.63
Royal Purple
#7851A9
ΔE00 6.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663EAC #84AC3E
analogous
#3E4DAC #663EAC #9D3EAC
triadic
#663EAC #AC663E #3EAC66
tetradic
#663EAC #AC3E4D #84AC3E #3EAC9D
square
#663EAC #AC3E4D #84AC3E #3EAC9D
split-complementary
#663EAC #AC9D3E #4DAC3E
monochromatic
#311E52 #4B2E7F #663EAC #8661C6 #A88ED6
Accessibility & contrast
On white
7.37
#663EAC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.85
#663EAC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663EAC
7.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663EAC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663EAC | 1.00 | 7.37 | 2.85 | 7.37 |
| #FFFFFF | 7.37 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.85 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.37 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056AF
Deuteranopia (green-blind)
#0054AA
Tritanopia (blue-blind)
#54576F
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #663eac; /* rgb */ color: rgb(102, 62, 172); /* oklch */ color: oklch(47.0% 0.168 296.0);
Tailwind
colors: {
custom: {
50: '#9775c5',
500: '#663eac',
950: '#000000',
},
}SCSS
$custom: #663eac; $custom-light: #9775c5; $custom-dark: #000000;
JSON
{
"hex": "#663eac",
"rgb": {
"r": 102,
"g": 62,
"b": 172
},
"hsl": {
"h": 261.818,
"s": 47.009,
"l": 45.882
},
"oklch": {
"l": 0.4703,
"c": 0.16765,
"h": 296
},
"luminance": 0.09249
}Semantic roles & 50–950 ramp
primary
#663EAC
secondary
#ABC185
accent
#D751A6
background
#F9F7FC
surface
#F2EDF8
border
#CCC8D1
text
#0E0813
muted
#7E7B82