#663ACB#663ACB
#663ACB is a mid, highly saturated violet. Relative luminance 0.102; OKLCH L 49.0% C 0.209 H 290.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).
Color values
| HEX | #663ACB |
|---|---|
| RGB | rgb(102, 58, 203) |
| HSL | hsl(258, 58%, 51%) |
| HSV | hsv(258, 71%, 80%) |
| CMYK | cmyk(49.8%, 71.4%, 0%, 20.4%) |
| CIE-LAB | lab(38.13, 52.57, -68.34) |
| CIE-LCH | lch(38.13, 86.22, 307.57°) |
| OKLab | oklab(48.99% 0.073 -0.1962) |
| OKLCH | oklch(48.99% 0.209 290.4) |
| XYZ | xyz(17.7690, 10.1620, 57.5135) |
| Luminance | 0.1016 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.73
Blurple
#5539CC
ΔE00 2.53
Blue With A Hint Of Purple
#533CC6
ΔE00 2.98
Burple
#6832E3
ΔE00 3.13
Purpley Blue
#5F34E7
ΔE00 3.59
Bluish Purple
#703BE7
ΔE00 4.06
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663ACB #9FCB3A
analogous
#3A56CB #663ACB #AE3ACB
triadic
#663ACB #CB663A #3ACB66
tetradic
#663ACB #CB3A56 #9FCB3A #3ACBAE
square
#663ACB #CB3A56 #9FCB3A #3ACBAE
split-complementary
#663ACB #CBAE3A #56CB3A
monochromatic
#351D6E #4D2A9E #663ACB #8C6AD8 #B19BE5
Accessibility & contrast
On white
6.92
#663ACB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.03
#663ACB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #663ACB
6.92:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663ACB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663ACB | 1.00 | 6.92 | 3.03 | 6.92 |
| #FFFFFF | 6.92 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.03 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.92 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CCF
Deuteranopia (green-blind)
#0056C8
Tritanopia (blue-blind)
#43607F
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #663acb; /* rgb */ color: rgb(102, 58, 203); /* oklch */ color: oklch(49.0% 0.209 290.4);
Tailwind
colors: {
custom: {
50: '#9b74dc',
500: '#663acb',
950: '#000000',
},
}SCSS
$custom: #663acb; $custom-light: #9b74dc; $custom-dark: #000000;
JSON
{
"hex": "#663acb",
"rgb": {
"r": 102,
"g": 58,
"b": 203
},
"hsl": {
"h": 258.207,
"s": 58.233,
"l": 51.176
},
"oklch": {
"l": 0.48991,
"c": 0.2093,
"h": 290.4
},
"luminance": 0.10163
}Semantic roles & 50–950 ramp
primary
#663ACB
secondary
#BDD090
accent
#E146B2
background
#FAF7FD
surface
#F4EDFB
border
#CEC8D4
text
#0F0815
muted
#7F7B83