#665EDB#665EDB
#665EDB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.7% C 0.185 H 281.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).
Color values
| HEX | #665EDB |
|---|---|
| RGB | rgb(102, 94, 219) |
| HSL | hsl(244, 63%, 61%) |
| HSV | hsv(244, 57%, 86%) |
| CMYK | cmyk(53.4%, 57.1%, 0%, 14.1%) |
| CIE-LAB | lab(46.90, 37.10, -63.26) |
| CIE-LCH | lch(46.90, 73.34, 300.39°) |
| OKLab | oklab(55.74% 0.0367 -0.1812) |
| OKLCH | oklch(55.74% 0.185 281.4) |
| XYZ | xyz(22.2644, 15.9433, 68.9083) |
| Luminance | 0.1595 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 1.44
Slate Blue
#6A5ACD
ΔE00 2.57
Light Indigo
#6D5ACF
ΔE00 2.60
Iris
#6258C4
ΔE00 3.87
Warm Blue
#4B57DB
ΔE00 4.28
Mediumslateblue
#7B68EE
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#665EDB #D3DB5E
analogous
#5E95DB #665EDB #A55EDB
triadic
#665EDB #DB665E #5EDB66
tetradic
#665EDB #DB5E95 #D3DB5E #5EDBA5
square
#665EDB #DB5E95 #D3DB5E #5EDBA5
split-complementary
#665EDB #DBA55E #95DB5E
monochromatic
#2B239C #382ECE #665EDB #9690E6 #C5C2F1
Accessibility & contrast
On white
5.01
#665EDB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#665EDB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #665EDB
5.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##665EDB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##665EDB | 1.00 | 5.01 | 4.19 | 5.01 |
| #FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0074DF
Deuteranopia (green-blind)
#006BD8
Tritanopia (blue-blind)
#327B93
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #665edb; /* rgb */ color: rgb(102, 94, 219); /* oklch */ color: oklch(55.7% 0.185 281.4);
Tailwind
colors: {
custom: {
50: '#9b8ce7',
500: '#665edb',
950: '#000000',
},
}SCSS
$custom: #665edb; $custom-light: #9b8ce7; $custom-dark: #000000;
JSON
{
"hex": "#665edb",
"rgb": {
"r": 102,
"g": 94,
"b": 219
},
"hsl": {
"h": 243.84,
"s": 63.452,
"l": 61.373
},
"oklch": {
"l": 0.55737,
"c": 0.18489,
"h": 281.4
},
"luminance": 0.15945
}Semantic roles & 50–950 ramp
primary
#665EDB
secondary
#DFE2B3
accent
#CB1AC0
background
#FAF8FE
surface
#F3F0FD
border
#CDCBD5
text
#0F0C16
muted
#7F7D84