#665DFF#665DFF
#665DFF is a mid, highly saturated blue. Relative luminance 0.179; OKLCH L 58.4% C 0.232 H 278.9°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #665DFF |
|---|---|
| RGB | rgb(102, 93, 255) |
| HSL | hsl(243, 100%, 68%) |
| HSV | hsv(243, 64%, 100%) |
| CMYK | cmyk(60%, 63.5%, 0%, 0%) |
| CIE-LAB | lab(49.34, 48.82, -79.52) |
| CIE-LCH | lch(49.34, 93.31, 301.55°) |
| OKLab | oklab(58.36% 0.0358 -0.229) |
| OKLCH | oklch(58.36% 0.232 278.9) |
| XYZ | xyz(27.4381, 17.8714, 96.5920) |
| Luminance | 0.1787 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mediumslateblue
#7B68EE
ΔE00 4.52
Dark Periwinkle
#665FD1
ΔE00 6.03
Purpley
#8756E4
ΔE00 6.55
Light Indigo
#6D5ACF
ΔE00 6.59
Warm Blue
#4B57DB
ΔE00 6.76
Slate Blue
#6A5ACD
ΔE00 6.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#665DFF #F6FF5D
analogous
#5DA5FF #665DFF #B75DFF
triadic
#665DFF #FF665D #5DFF66
tetradic
#665DFF #FF5DA5 #F6FF5D #5DFFB7
square
#665DFF #FF5DA5 #F6FF5D #5DFFB7
split-complementary
#665DFF #FFB75D #A5FF5D
monochromatic
#0D00E2 #2C20FF #665DFF #A09AFF #DAD7FF
Accessibility & contrast
On white
4.59
#665DFF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.57
#665DFF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #665DFF
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##665DFF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##665DFF | 1.00 | 4.59 | 4.57 | 4.59 |
| #FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#007CFF
Deuteranopia (green-blind)
#006FFC
Tritanopia (blue-blind)
#0086A6
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #665dff; /* rgb */ color: rgb(102, 93, 255); /* oklch */ color: oklch(58.4% 0.232 278.9);
Tailwind
colors: {
custom: {
50: '#a08cff',
500: '#665dff',
950: '#000000',
},
}SCSS
$custom: #665dff; $custom-light: #a08cff; $custom-dark: #000000;
JSON
{
"hex": "#665dff",
"rgb": {
"r": 102,
"g": 93,
"b": 255
},
"hsl": {
"h": 243.333,
"s": 100,
"l": 68.235
},
"oklch": {
"l": 0.58361,
"c": 0.23178,
"h": 278.9
},
"luminance": 0.17873
}Semantic roles & 50–950 ramp
primary
#665DFF
secondary
#F2F4C3
accent
#E600D9
background
#FAF8FF
surface
#F4F0FF
border
#CECBD7
text
#100C18
muted
#7F7D86