#665FFD#665FFD
#665FFD is a mid, highly saturated blue. Relative luminance 0.181; OKLCH L 58.5% C 0.227 H 278.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #665FFD |
|---|---|
| RGB | rgb(102, 95, 253) |
| HSL | hsl(243, 98%, 68%) |
| HSV | hsv(243, 62%, 99%) |
| CMYK | cmyk(59.7%, 62.5%, 0%, 0.8%) |
| CIE-LAB | lab(49.62, 47.05, -77.96) |
| CIE-LCH | lch(49.62, 91.05, 301.11°) |
| OKLab | oklab(58.51% 0.0344 -0.2244) |
| OKLCH | oklch(58.51% 0.227 278.7) |
| XYZ | xyz(27.2957, 18.0990, 94.9645) |
| Luminance | 0.1810 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.17
Dark Periwinkle
#665FD1
ΔE00 5.84
Light Indigo
#6D5ACF
ΔE00 6.55
Purpley
#8756E4
ΔE00 6.71
Warm Blue
#4B57DB
ΔE00 6.76
Slate Blue
#6A5ACD
ΔE00 6.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#665FFD #F6FD5F
analogous
#5FA7FD #665FFD #B55FFD
triadic
#665FFD #FD665F #5FFD66
tetradic
#665FFD #FD5FA7 #F6FD5F #5FFDB5
square
#665FFD #FD5FA7 #F6FD5F #5FFDB5
split-complementary
#665FFD #FDB55F #A7FD5F
monochromatic
#0D03DF #2C23FC #665FFD #A09BFE #DAD8FF
Accessibility & contrast
On white
4.55
#665FFD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#665FFD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #665FFD
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##665FFD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##665FFD | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CFF
Deuteranopia (green-blind)
#0070FA
Tritanopia (blue-blind)
#0087A5
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #665ffd; /* rgb */ color: rgb(102, 95, 253); /* oklch */ color: oklch(58.5% 0.227 278.7);
Tailwind
colors: {
custom: {
50: '#a08dff',
500: '#665ffd',
950: '#000000',
},
}SCSS
$custom: #665ffd; $custom-light: #a08dff; $custom-dark: #000000;
JSON
{
"hex": "#665ffd",
"rgb": {
"r": 102,
"g": 95,
"b": 253
},
"hsl": {
"h": 242.658,
"s": 97.531,
"l": 68.235
},
"oklch": {
"l": 0.58514,
"c": 0.22702,
"h": 278.7
},
"luminance": 0.18101
}Semantic roles & 50–950 ramp
primary
#665FFD
secondary
#F2F4C4
accent
#E600DB
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86