#644FAF#644FAF
#644FAF is a mid, vivid violet. Relative luminance 0.114; OKLCH L 49.8% C 0.147 H 290.1°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).
Color values
| HEX | #644FAF |
|---|---|
| RGB | rgb(100, 79, 175) |
| HSL | hsl(253, 38%, 50%) |
| HSV | hsv(253, 55%, 69%) |
| CMYK | cmyk(42.9%, 54.9%, 0%, 31.4%) |
| CIE-LAB | lab(40.24, 32.44, -48.53) |
| CIE-LCH | lch(40.24, 58.37, 303.76°) |
| OKLab | oklab(49.82% 0.0505 -0.138) |
| OKLCH | oklch(49.82% 0.147 290.1) |
| XYZ | xyz(15.7872, 11.3959, 41.9170) |
| Luminance | 0.1140 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Iris
#6258C4
ΔE00 4.40
Royal Purple
#7851A9
ΔE00 4.82
Ocean Blue
#4F42B5
ΔE00 5.17
Bluey Purple
#6241C7
ΔE00 5.34
Slate Blue
#6A5ACD
ΔE00 5.65
Light Indigo
#6D5ACF
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#644FAF #9AAF4F
analogous
#4F6AAF #644FAF #944FAF
triadic
#644FAF #AF644F #4FAF64
tetradic
#644FAF #AF4F6A #9AAF4F #4FAF94
square
#644FAF #AF4F6A #9AAF4F #4FAF94
split-complementary
#644FAF #AF944F #6AAF4F
monochromatic
#34295B #4C3C85 #644FAF #8979C2 #AEA3D5
Accessibility & contrast
On white
6.40
#644FAF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.28
#644FAF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #644FAF
6.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##644FAF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##644FAF | 1.00 | 6.40 | 3.28 | 6.40 |
| #FFFFFF | 6.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1F61B2
Deuteranopia (green-blind)
#225DAD
Tritanopia (blue-blind)
#4F6377
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #644faf; /* rgb */ color: rgb(100, 79, 175); /* oklch */ color: oklch(49.8% 0.147 290.1);
Tailwind
colors: {
custom: {
50: '#9581c7',
500: '#644faf',
950: '#000000',
},
}SCSS
$custom: #644faf; $custom-light: #9581c7; $custom-dark: #000000;
JSON
{
"hex": "#644faf",
"rgb": {
"r": 100,
"g": 79,
"b": 175
},
"hsl": {
"h": 253.125,
"s": 37.795,
"l": 49.804
},
"oklch": {
"l": 0.4982,
"c": 0.14695,
"h": 290.1
},
"luminance": 0.11396
}Semantic roles & 50–950 ramp
primary
#644FAF
secondary
#B9C397
accent
#CE5AB4
background
#F9F7FC
surface
#F2EEF8
border
#CCC9D1
text
#0E0A13
muted
#7E7C82