#664FE6#664FE6
#664FE6 is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.2% C 0.217 H 283.4°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #664FE6 |
|---|---|
| RGB | rgb(102, 79, 230) |
| HSL | hsl(249, 75%, 61%) |
| HSV | hsv(249, 66%, 90%) |
| CMYK | cmyk(55.7%, 65.7%, 0%, 9.8%) |
| CIE-LAB | lab(44.42, 49.13, -73.54) |
| CIE-LCH | lch(44.42, 88.45, 303.75°) |
| OKLab | oklab(54.18% 0.0502 -0.2115) |
| OKLCH | oklch(54.18% 0.217 283.4) |
| XYZ | xyz(22.5540, 14.1285, 76.3862) |
| Luminance | 0.1413 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 3.48
Light Indigo
#6D5ACF
ΔE00 4.25
Slate Blue
#6A5ACD
ΔE00 4.39
Bluish Purple
#703BE7
ΔE00 4.58
Warm Blue
#4B57DB
ΔE00 4.97
Dark Periwinkle
#665FD1
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#664FE6 #CFE64F
analogous
#4F83E6 #664FE6 #B14FE6
triadic
#664FE6 #E6664F #4FE666
tetradic
#664FE6 #E64F83 #CFE64F #4FE6B1
square
#664FE6 #E64F83 #CFE64F #4FE6B1
split-complementary
#664FE6 #E6B14F #83E64F
monochromatic
#2D17A3 #3B1FD9 #664FE6 #9585EE #C3BAF5
Accessibility & contrast
On white
5.49
#664FE6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.83
#664FE6 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #664FE6
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##664FE6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##664FE6 | 1.00 | 5.49 | 3.83 | 5.49 |
| #FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.83 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006EEB
Deuteranopia (green-blind)
#0064E3
Tritanopia (blue-blind)
#267594
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #664fe6; /* rgb */ color: rgb(102, 79, 230); /* oklch */ color: oklch(54.2% 0.217 283.4);
Tailwind
colors: {
custom: {
50: '#9d82ef',
500: '#664fe6',
950: '#000000',
},
}SCSS
$custom: #664fe6; $custom-light: #9d82ef; $custom-dark: #000000;
JSON
{
"hex": "#664fe6",
"rgb": {
"r": 102,
"g": 79,
"b": 230
},
"hsl": {
"h": 249.139,
"s": 75.124,
"l": 60.588
},
"oklch": {
"l": 0.54178,
"c": 0.21735,
"h": 283.4
},
"luminance": 0.1413
}Semantic roles & 50–950 ramp
primary
#664FE6
secondary
#DCE5AC
accent
#D70EB9
background
#FAF8FE
surface
#F4EFFD
border
#CECAD5
text
#100A17
muted
#7F7C85