#664DEB#664DEB
#664DEB is a mid, highly saturated blue. Relative luminance 0.141; OKLCH L 54.3% C 0.226 H 283.1°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #664DEB |
|---|---|
| RGB | rgb(102, 77, 235) |
| HSL | hsl(249, 80%, 61%) |
| HSV | hsv(249, 67%, 92%) |
| CMYK | cmyk(56.6%, 67.2%, 0%, 7.8%) |
| CIE-LAB | lab(44.42, 51.72, -76.37) |
| CIE-LCH | lch(44.42, 92.23, 304.11°) |
| OKLab | oklab(54.3% 0.0512 -0.2198) |
| OKLCH | oklch(54.3% 0.226 283.1) |
| XYZ | xyz(23.1241, 14.1292, 80.0899) |
| Luminance | 0.1413 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 2.99
Bluish Purple
#703BE7
ΔE00 4.22
Light Indigo
#6D5ACF
ΔE00 4.93
Slate Blue
#6A5ACD
ΔE00 5.09
Warm Blue
#4B57DB
ΔE00 5.41
Purpley Blue
#5F34E7
ΔE00 5.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#664DEB #D2EB4D
analogous
#4D83EB #664DEB #B54DEB
triadic
#664DEB #EB664D #4DEB66
tetradic
#664DEB #EB4D83 #D2EB4D #4DEBB5
square
#664DEB #EB4D83 #D2EB4D #4DEBB5
split-complementary
#664DEB #EBB54D #83EB4D
monochromatic
#2B13AA #3919E1 #664DEB #9584F1 #C5BBF7
Accessibility & contrast
On white
5.49
#664DEB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.83
#664DEB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #664DEB
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##664DEB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##664DEB | 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)
#006EF0
Deuteranopia (green-blind)
#0064E8
Tritanopia (blue-blind)
#1D7696
Achromatopsia (no color)
#696969
Design tokens & code
CSS
--color: #664deb; /* rgb */ color: rgb(102, 77, 235); /* oklch */ color: oklch(54.3% 0.226 283.1);
Tailwind
colors: {
custom: {
50: '#9e81f3',
500: '#664deb',
950: '#000000',
},
}SCSS
$custom: #664deb; $custom-light: #9e81f3; $custom-dark: #000000;
JSON
{
"hex": "#664deb",
"rgb": {
"r": 102,
"g": 77,
"b": 235
},
"hsl": {
"h": 249.494,
"s": 79.798,
"l": 61.176
},
"oklch": {
"l": 0.54304,
"c": 0.22566,
"h": 283.1
},
"luminance": 0.14131
}Semantic roles & 50–950 ramp
primary
#664DEB
secondary
#DEE8AC
accent
#DC09BB
background
#FAF8FF
surface
#F4EFFE
border
#CECAD6
text
#100A17
muted
#7F7C85