#664DEF#664DEF
#664DEF is a mid, highly saturated blue. Relative luminance 0.144; OKLCH L 54.6% C 0.230 H 282.7°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).
Color values
| HEX | #664DEF |
|---|---|
| RGB | rgb(102, 77, 239) |
| HSL | hsl(249, 84%, 62%) |
| HSV | hsv(249, 68%, 94%) |
| CMYK | cmyk(57.3%, 67.8%, 0%, 6.3%) |
| CIE-LAB | lab(44.75, 52.90, -78.08) |
| CIE-LCH | lch(44.75, 94.31, 304.12°) |
| OKLab | oklab(54.64% 0.0506 -0.2248) |
| OKLCH | oklch(54.64% 0.23 282.7) |
| XYZ | xyz(23.7085, 14.3630, 83.1676) |
| Luminance | 0.1436 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Purpleish Blue
#6140EF
ΔE00 3.08
Bluish Purple
#703BE7
ΔE00 4.38
Light Indigo
#6D5ACF
ΔE00 5.24
Slate Blue
#6A5ACD
ΔE00 5.42
Warm Blue
#4B57DB
ΔE00 5.60
Purpley Blue
#5F34E7
ΔE00 5.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#664DEF #D6EF4D
analogous
#4D85EF #664DEF #B74DEF
triadic
#664DEF #EF664D #4DEF66
tetradic
#664DEF #EF4D85 #D6EF4D #4DEFB7
square
#664DEF #EF4D85 #D6EF4D #4DEFB7
split-complementary
#664DEF #EFB74D #85EF4D
monochromatic
#2910B2 #3615EA #664DEF #9685F4 #C7BDF9
Accessibility & contrast
On white
5.42
#664DEF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.87
#664DEF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #664DEF
5.42:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##664DEF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##664DEF | 1.00 | 5.42 | 3.87 | 5.42 |
| #FFFFFF | 5.42 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.87 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.42 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006FF4
Deuteranopia (green-blind)
#0064EC
Tritanopia (blue-blind)
#147798
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #664def; /* rgb */ color: rgb(102, 77, 239); /* oklch */ color: oklch(54.6% 0.230 282.7);
Tailwind
colors: {
custom: {
50: '#9f81f5',
500: '#664def',
950: '#000000',
},
}SCSS
$custom: #664def; $custom-light: #9f81f5; $custom-dark: #000000;
JSON
{
"hex": "#664def",
"rgb": {
"r": 102,
"g": 77,
"b": 239
},
"hsl": {
"h": 249.259,
"s": 83.505,
"l": 61.961
},
"oklch": {
"l": 0.54644,
"c": 0.23041,
"h": 282.7
},
"luminance": 0.14365
}Semantic roles & 50–950 ramp
primary
#664DEF
secondary
#E1EAAE
accent
#E006BE
background
#FAF8FF
surface
#F4EFFF
border
#CECAD7
text
#100A17
muted
#7F7C85