#665DD2#665DD2
#665DD2 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.9% C 0.174 H 282.5°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).
Color values
| HEX | #665DD2 |
|---|---|
| RGB | rgb(102, 93, 210) |
| HSL | hsl(245, 57%, 59%) |
| HSV | hsv(245, 56%, 82%) |
| CMYK | cmyk(51.4%, 55.7%, 0%, 17.6%) |
| CIE-LAB | lab(46.05, 34.93, -59.50) |
| CIE-LCH | lch(46.05, 69.00, 300.41°) |
| OKLab | oklab(54.91% 0.0377 -0.1702) |
| OKLCH | oklch(54.91% 0.174 282.5) |
| XYZ | xyz(21.0232, 15.3055, 62.8068) |
| Luminance | 0.1531 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 0.65
Slate Blue
#6A5ACD
ΔE00 1.50
Light Indigo
#6D5ACF
ΔE00 1.77
Iris
#6258C4
ΔE00 2.62
Warm Blue
#4B57DB
ΔE00 4.29
Mediumslateblue
#7B68EE
ΔE00 6.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#665DD2 #C9D25D
analogous
#5D8FD2 #665DD2 #A05DD2
triadic
#665DD2 #D2665D #5DD266
tetradic
#665DD2 #D25D8F #C9D25D #5DD2A0
square
#665DD2 #D25D8F #C9D25D #5DD2A0
split-complementary
#665DD2 #D2A05D #8FD25D
monochromatic
#2F278D #3F35BD #665DD2 #938DDF #C0BDED
Accessibility & contrast
On white
5.17
#665DD2 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.06
#665DD2 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #665DD2
5.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##665DD2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##665DD2 | 1.00 | 5.17 | 4.06 | 5.17 |
| #FFFFFF | 5.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0B71D6
Deuteranopia (green-blind)
#0069D0
Tritanopia (blue-blind)
#3B788E
Achromatopsia (no color)
#6D6D6D
Design tokens & code
CSS
--color: #665dd2; /* rgb */ color: rgb(102, 93, 210); /* oklch */ color: oklch(54.9% 0.174 282.5);
Tailwind
colors: {
custom: {
50: '#998be0',
500: '#665dd2',
950: '#000000',
},
}SCSS
$custom: #665dd2; $custom-light: #998be0; $custom-dark: #000000;
JSON
{
"hex": "#665dd2",
"rgb": {
"r": 102,
"g": 93,
"b": 210
},
"hsl": {
"h": 244.615,
"s": 56.522,
"l": 59.412
},
"oklch": {
"l": 0.54911,
"c": 0.17428,
"h": 282.5
},
"luminance": 0.15307
}Semantic roles & 50–950 ramp
primary
#665DD2
secondary
#D9DCAF
accent
#E048D4
background
#F9F8FD
surface
#F2F0FB
border
#CCCBD4
text
#0F0C15
muted
#7E7D83