#664BCB#664BCB
#664BCB is a mid, vivid violet. Relative luminance 0.122; OKLCH L 51.4% C 0.189 H 287.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).
Color values
| HEX | #664BCB |
|---|---|
| RGB | rgb(102, 75, 203) |
| HSL | hsl(253, 55%, 55%) |
| HSV | hsv(253, 63%, 80%) |
| CMYK | cmyk(49.8%, 63.1%, 0%, 20.4%) |
| CIE-LAB | lab(41.48, 43.41, -62.88) |
| CIE-LCH | lch(41.48, 76.41, 304.62°) |
| OKLab | oklab(51.4% 0.0568 -0.1801) |
| OKLCH | oklch(51.4% 0.189 287.5) |
| XYZ | xyz(18.7719, 12.1679, 57.8479) |
| Luminance | 0.1217 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Bluey Purple
#6241C7
ΔE00 2.71
Iris
#6258C4
ΔE00 4.07
Slate Blue
#6A5ACD
ΔE00 4.33
Light Indigo
#6D5ACF
ΔE00 4.41
Blue With A Hint Of Purple
#533CC6
ΔE00 4.76
Bluish Purple
#703BE7
ΔE00 4.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#664BCB #B0CB4B
analogous
#4B70CB #664BCB #A64BCB
triadic
#664BCB #CB664B #4BCB66
tetradic
#664BCB #CB4B70 #B0CB4B #4BCBA6
square
#664BCB #CB4B70 #B0CB4B #4BCBA6
split-complementary
#664BCB #CBA64B #70CB4B
monochromatic
#352379 #4A31A8 #664BCB #8E7AD9 #B7AAE6
Accessibility & contrast
On white
6.12
#664BCB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#664BCB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #664BCB
6.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##664BCB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##664BCB | 1.00 | 6.12 | 3.43 | 6.12 |
| #FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0065CF
Deuteranopia (green-blind)
#005EC8
Tritanopia (blue-blind)
#426A84
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #664bcb; /* rgb */ color: rgb(102, 75, 203); /* oklch */ color: oklch(51.4% 0.189 287.5);
Tailwind
colors: {
custom: {
50: '#9a7fdc',
500: '#664bcb',
950: '#000000',
},
}SCSS
$custom: #664bcb; $custom-light: #9a7fdc; $custom-dark: #000000;
JSON
{
"hex": "#664bcb",
"rgb": {
"r": 102,
"g": 75,
"b": 203
},
"hsl": {
"h": 252.656,
"s": 55.172,
"l": 54.51
},
"oklch": {
"l": 0.51398,
"c": 0.1889,
"h": 287.5
},
"luminance": 0.12169
}Semantic roles & 50–950 ramp
primary
#664BCB
secondary
#C9D49E
accent
#DF49BF
background
#FAF7FD
surface
#F3EEFB
border
#CDC9D4
text
#0F0A15
muted
#7F7C83