#663DBE#663DBE
#663DBE is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.191 H 292.4°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).
Color values
| HEX | #663DBE |
|---|---|
| RGB | rgb(102, 61, 190) |
| HSL | hsl(259, 51%, 49%) |
| HSV | hsv(259, 68%, 75%) |
| CMYK | cmyk(46.3%, 67.9%, 0%, 25.5%) |
| CIE-LAB | lab(37.63, 47.44, -61.58) |
| CIE-LCH | lch(37.63, 77.74, 307.61°) |
| OKLab | oklab(48.3% 0.0725 -0.1763) |
| OKLCH | oklch(48.3% 0.191 292.4) |
| XYZ | xyz(16.4399, 9.8794, 49.7459) |
| Luminance | 0.0988 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.85
Blue With A Hint Of Purple
#533CC6
ΔE00 3.25
Blurple
#5539CC
ΔE00 3.36
Ocean Blue
#4F42B5
ΔE00 4.33
Burple
#6832E3
ΔE00 4.96
Purpley Blue
#5F34E7
ΔE00 5.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663DBE #95BE3D
analogous
#3D55BE #663DBE #A73DBE
triadic
#663DBE #BE663D #3DBE66
tetradic
#663DBE #BE3D55 #95BE3D #3DBEA7
square
#663DBE #BE3D55 #95BE3D #3DBEA7
split-complementary
#663DBE #BEA73D #55BE3D
monochromatic
#341F61 #4D2E90 #663DBE #8A69CF #AE98DE
Accessibility & contrast
On white
7.06
#663DBE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.98
#663DBE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #663DBE
7.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663DBE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663DBE | 1.00 | 7.06 | 2.98 | 7.06 |
| #FFFFFF | 7.06 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.98 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.06 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005AC2
Deuteranopia (green-blind)
#0056BB
Tritanopia (blue-blind)
#4B5D78
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #663dbe; /* rgb */ color: rgb(102, 61, 190); /* oklch */ color: oklch(48.3% 0.191 292.4);
Tailwind
colors: {
custom: {
50: '#9975d3',
500: '#663dbe',
950: '#000000',
},
}SCSS
$custom: #663dbe; $custom-light: #9975d3; $custom-dark: #000000;
JSON
{
"hex": "#663dbe",
"rgb": {
"r": 102,
"g": 61,
"b": 190
},
"hsl": {
"h": 259.07,
"s": 51.394,
"l": 49.216
},
"oklch": {
"l": 0.483,
"c": 0.19066,
"h": 292.4
},
"luminance": 0.0988
}Semantic roles & 50–950 ramp
primary
#663DBE
secondary
#B6C98D
accent
#DB4DAE
background
#F9F7FD
surface
#F2EDFA
border
#CCC8D3
text
#0F0814
muted
#7E7B83