#5128B4#5128B4
#5128B4 is a dark, highly saturated violet. Relative luminance 0.066; OKLCH L 42.7% C 0.202 H 287.8°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).
Color values
| HEX | #5128B4 |
|---|---|
| RGB | rgb(81, 40, 180) |
| HSL | hsl(258, 64%, 43%) |
| HSV | hsv(258, 78%, 71%) |
| CMYK | cmyk(55%, 77.8%, 0%, 29.4%) |
| CIE-LAB | lab(30.79, 51.84, -66.95) |
| CIE-LCH | lch(30.79, 84.68, 307.75°) |
| OKLab | oklab(42.67% 0.062 -0.1927) |
| OKLCH | oklch(42.67% 0.202 287.8) |
| XYZ | xyz(12.3879, 6.5616, 43.7849) |
| Luminance | 0.0656 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Violet Blue
#510AC9
ΔE00 3.92
Purple Blue
#5D21D0
ΔE00 3.98
Indigo Blue
#3A18B1
ΔE00 4.03
Blurple
#5539CC
ΔE00 5.10
Blue With A Hint Of Purple
#533CC6
ΔE00 5.17
Ocean Blue
#4F42B5
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5128B4 #8BB428
analogous
#2845B4 #5128B4 #9728B4
triadic
#5128B4 #B45128 #28B451
tetradic
#5128B4 #B42845 #8BB428 #28B497
square
#5128B4 #B42845 #8BB428 #28B497
split-complementary
#5128B4 #B49728 #45B428
monochromatic
#241250 #3A1D82 #5128B4 #6E44D5 #9576E1
Accessibility & contrast
On white
9.08
#5128B4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#5128B4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #5128B4
9.08:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5128B4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5128B4 | 1.00 | 9.08 | 2.31 | 9.08 |
| #FFFFFF | 9.08 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.08 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004CB8
Deuteranopia (green-blind)
#0045B1
Tritanopia (blue-blind)
#27506D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #5128b4; /* rgb */ color: rgb(81, 40, 180); /* oklch */ color: oklch(42.7% 0.202 287.8);
Tailwind
colors: {
custom: {
50: '#8d67cc',
500: '#5128b4',
950: '#000000',
},
}SCSS
$custom: #5128b4; $custom-light: #8d67cc; $custom-dark: #000000;
JSON
{
"hex": "#5128b4",
"rgb": {
"r": 81,
"g": 40,
"b": 180
},
"hsl": {
"h": 257.571,
"s": 63.636,
"l": 43.137
},
"oklch": {
"l": 0.42673,
"c": 0.20238,
"h": 287.8
},
"luminance": 0.06562
}Semantic roles & 50–950 ramp
primary
#5128B4
secondary
#AEC870
accent
#E741B6
background
#F9F6FC
surface
#F2EBF9
border
#CCC6D2
text
#0D0613
muted
#7E7A82