#645BED#645BED
#645BED is a mid, highly saturated blue. Relative luminance 0.163; OKLCH L 56.5% C 0.212 H 279.9°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).
Color values
| HEX | #645BED |
|---|---|
| RGB | rgb(100, 91, 237) |
| HSL | hsl(244, 80%, 64%) |
| HSV | hsv(244, 62%, 93%) |
| CMYK | cmyk(57.8%, 61.6%, 0%, 7.1%) |
| CIE-LAB | lab(47.37, 44.09, -72.68) |
| CIE-LCH | lch(47.37, 85.01, 301.24°) |
| OKLab | oklab(56.46% 0.0365 -0.209) |
| OKLCH | oklch(56.46% 0.212 279.9) |
| XYZ | xyz(24.2779, 16.3042, 81.9720) |
| Luminance | 0.1631 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Periwinkle
#665FD1
ΔE00 3.87
Light Indigo
#6D5ACF
ΔE00 4.37
Slate Blue
#6A5ACD
ΔE00 4.50
Warm Blue
#4B57DB
ΔE00 4.66
Mediumslateblue
#7B68EE
ΔE00 5.21
Iris
#6258C4
ΔE00 5.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#645BED #E4ED5B
analogous
#5B9BED #645BED #AD5BED
triadic
#645BED #ED645B #5BED64
tetradic
#645BED #ED5B9B #E4ED5B #5BEDAD
square
#645BED #ED5B9B #E4ED5B #5BEDAD
split-complementary
#645BED #EDAD5B #9BED5B
monochromatic
#1F14B9 #3024E7 #645BED #9892F3 #CCC9F9
Accessibility & contrast
On white
4.93
#645BED on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.26
#645BED on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #645BED
4.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##645BED | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##645BED | 1.00 | 4.93 | 4.26 | 4.93 |
| #FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0076F2
Deuteranopia (green-blind)
#006BEA
Tritanopia (blue-blind)
#027F9C
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #645bed; /* rgb */ color: rgb(100, 91, 237); /* oklch */ color: oklch(56.5% 0.212 279.9);
Tailwind
colors: {
custom: {
50: '#9c8af4',
500: '#645bed',
950: '#000000',
},
}SCSS
$custom: #645bed; $custom-light: #9c8af4; $custom-dark: #000000;
JSON
{
"hex": "#645bed",
"rgb": {
"r": 100,
"g": 91,
"b": 237
},
"hsl": {
"h": 243.699,
"s": 80.22,
"l": 64.314
},
"oklch": {
"l": 0.56456,
"c": 0.21214,
"h": 279.9
},
"luminance": 0.16306
}Semantic roles & 50–950 ramp
primary
#645BED
secondary
#E8EBB9
accent
#DD09D0
background
#FAF8FF
surface
#F4F0FE
border
#CECBD6
text
#0F0C17
muted
#7F7D85