#664FCD#664FCD
#664FCD is a mid, vivid violet. Relative luminance 0.128; OKLCH L 52.2% C 0.186 H 286.4°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).
Color values
| HEX | #664FCD |
|---|---|
| RGB | rgb(102, 79, 205) |
| HSL | hsl(251, 56%, 56%) |
| HSV | hsv(251, 61%, 80%) |
| CMYK | cmyk(50.2%, 61.5%, 0%, 19.6%) |
| CIE-LAB | lab(42.50, 41.70, -62.38) |
| CIE-LCH | lch(42.50, 75.04, 303.76°) |
| OKLab | oklab(52.18% 0.0526 -0.1787) |
| OKLCH | oklch(52.18% 0.186 286.4) |
| XYZ | xyz(19.2917, 12.8236, 59.2045) |
| Luminance | 0.1283 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Iris
#6258C4
ΔE00 3.13
Slate Blue
#6A5ACD
ΔE00 3.23
Light Indigo
#6D5ACF
ΔE00 3.34
Bluey Purple
#6241C7
ΔE00 3.83
Dark Periwinkle
#665FD1
ΔE00 4.87
Purpleish Blue
#6140EF
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#664FCD #B6CD4F
analogous
#4F77CD #664FCD #A54FCD
triadic
#664FCD #CD664F #4FCD66
tetradic
#664FCD #CD4F77 #B6CD4F #4FCDA5
square
#664FCD #CD4F77 #B6CD4F #4FCDA5
split-complementary
#664FCD #CDA54F #77CD4F
monochromatic
#34247E #4831AE #664FCD #8F7FDB #B9AEE8
Accessibility & contrast
On white
5.89
#664FCD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.57
#664FCD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #664FCD
5.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##664FCD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##664FCD | 1.00 | 5.89 | 3.57 | 5.89 |
| #FFFFFF | 5.89 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.89 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0068D1
Deuteranopia (green-blind)
#0061CA
Tritanopia (blue-blind)
#406D86
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #664fcd; /* rgb */ color: rgb(102, 79, 205); /* oklch */ color: oklch(52.2% 0.186 286.4);
Tailwind
colors: {
custom: {
50: '#9a81dd',
500: '#664fcd',
950: '#000000',
},
}SCSS
$custom: #664fcd; $custom-light: #9a81dd; $custom-dark: #000000;
JSON
{
"hex": "#664fcd",
"rgb": {
"r": 102,
"g": 79,
"b": 205
},
"hsl": {
"h": 250.952,
"s": 55.752,
"l": 55.686
},
"oklch": {
"l": 0.52184,
"c": 0.18627,
"h": 286.4
},
"luminance": 0.12825
}Semantic roles & 50–950 ramp
primary
#664FCD
secondary
#CDD6A2
accent
#DF49C4
background
#F9F8FD
surface
#F2EFFB
border
#CCCAD4
text
#0F0A15
muted
#7E7C83