#663DCA#663DCA
#663DCA is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.3% C 0.205 H 290.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).
Color values
| HEX | #663DCA |
|---|---|
| RGB | rgb(102, 61, 202) |
| HSL | hsl(257, 57%, 52%) |
| HSV | hsv(257, 70%, 79%) |
| CMYK | cmyk(49.5%, 69.8%, 0%, 20.8%) |
| CIE-LAB | lab(38.60, 50.77, -67.00) |
| CIE-LCH | lch(38.60, 84.06, 307.15°) |
| OKLab | oklab(49.3% 0.0705 -0.1922) |
| OKLCH | oklch(49.3% 0.205 290.1) |
| XYZ | xyz(17.8058, 10.4258, 56.9398) |
| Luminance | 0.1043 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 1.16
Blurple
#5539CC
ΔE00 2.69
Blue With A Hint Of Purple
#533CC6
ΔE00 2.96
Burple
#6832E3
ΔE00 3.46
Purpley Blue
#5F34E7
ΔE00 3.85
Bluish Purple
#703BE7
ΔE00 4.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#663DCA #A1CA3D
analogous
#3D5BCA #663DCA #AD3DCA
triadic
#663DCA #CA663D #3DCA66
tetradic
#663DCA #CA3D5B #A1CA3D #3DCAAD
square
#663DCA #CA3D5B #A1CA3D #3DCAAD
split-complementary
#663DCA #CAAD3D #5BCA3D
monochromatic
#361E6E #4D2B9F #663DCA #8C6DD7 #B29DE4
Accessibility & contrast
On white
6.81
#663DCA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.09
#663DCA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #663DCA
6.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##663DCA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##663DCA | 1.00 | 6.81 | 3.09 | 6.81 |
| #FFFFFF | 6.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005DCE
Deuteranopia (green-blind)
#0058C7
Tritanopia (blue-blind)
#44617F
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #663dca; /* rgb */ color: rgb(102, 61, 202); /* oklch */ color: oklch(49.3% 0.205 290.1);
Tailwind
colors: {
custom: {
50: '#9a76db',
500: '#663dca',
950: '#000000',
},
}SCSS
$custom: #663dca; $custom-light: #9a76db; $custom-dark: #000000;
JSON
{
"hex": "#663dca",
"rgb": {
"r": 102,
"g": 61,
"b": 202
},
"hsl": {
"h": 257.447,
"s": 57.085,
"l": 51.569
},
"oklch": {
"l": 0.49296,
"c": 0.20477,
"h": 290.1
},
"luminance": 0.10427
}Semantic roles & 50–950 ramp
primary
#663DCA
secondary
#BED092
accent
#E047B4
background
#FAF7FD
surface
#F3EDFB
border
#CDC8D4
text
#0F0915
muted
#7F7B83