#665FC0#665FC0
#665FC0 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.0% C 0.147 H 283.6°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).
Color values
| HEX | #665FC0 |
|---|---|
| RGB | rgb(102, 95, 192) |
| HSL | hsl(244, 43%, 56%) |
| HSV | hsv(244, 51%, 75%) |
| CMYK | cmyk(46.9%, 50.5%, 0%, 24.7%) |
| CIE-LAB | lab(45.38, 28.22, -50.22) |
| CIE-LCH | lch(45.38, 57.60, 299.33°) |
| OKLab | oklab(54.04% 0.0345 -0.1428) |
| OKLCH | oklch(54.04% 0.147 283.6) |
| XYZ | xyz(19.0833, 14.8141, 51.7128) |
| Luminance | 0.1482 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.39
Dark Periwinkle
#665FD1
ΔE00 2.61
Slate Blue
#6A5ACD
ΔE00 2.75
Light Indigo
#6D5ACF
ΔE00 3.18
Warm Blue
#4B57DB
ΔE00 5.89
Royal Purple
#7851A9
ΔE00 7.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#665FC0 #B9C05F
analogous
#5F89C0 #665FC0 #975FC0
triadic
#665FC0 #C0665F #5FC066
tetradic
#665FC0 #C05F89 #B9C05F #5FC097
square
#665FC0 #C05F89 #B9C05F #5FC097
split-complementary
#665FC0 #C0975F #89C05F
monochromatic
#342F76 #4740A2 #665FC0 #908BD1 #BAB7E3
Accessibility & contrast
On white
5.30
#665FC0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.96
#665FC0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #665FC0
5.30:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##665FC0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##665FC0 | 1.00 | 5.30 | 3.96 | 5.30 |
| #FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.96 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.30 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#336FC3
Deuteranopia (green-blind)
#2E68BE
Tritanopia (blue-blind)
#477486
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #665fc0; /* rgb */ color: rgb(102, 95, 192); /* oklch */ color: oklch(54.0% 0.147 283.6);
Tailwind
colors: {
custom: {
50: '#978cd3',
500: '#665fc0',
950: '#000000',
},
}SCSS
$custom: #665fc0; $custom-light: #978cd3; $custom-dark: #000000;
JSON
{
"hex": "#665fc0",
"rgb": {
"r": 102,
"g": 95,
"b": 192
},
"hsl": {
"h": 244.33,
"s": 43.498,
"l": 56.275
},
"oklch": {
"l": 0.5404,
"c": 0.14695,
"h": 283.6
},
"luminance": 0.14815
}Semantic roles & 50–950 ramp
primary
#665FC0
secondary
#CED1A9
accent
#D355CA
background
#F9F8FD
surface
#F2F0FA
border
#CCCBD3
text
#0E0C14
muted
#7E7D83