#581B85#581B85
#581B85 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.8% C 0.165 H 305.8°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #581B85 |
|---|---|
| RGB | rgb(88, 27, 133) |
| HSL | hsl(275, 66%, 31%) |
| HSV | hsv(275, 80%, 52%) |
| CMYK | cmyk(33.8%, 79.7%, 0%, 47.8%) |
| CIE-LAB | lab(25.42, 46.37, -47.02) |
| CIE-LCH | lch(25.42, 66.04, 314.60°) |
| OKLab | oklab(37.81% 0.0966 -0.1338) |
| OKLCH | oklch(37.81% 0.165 305.8) |
| XYZ | xyz(8.6491, 4.5521, 22.6087) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.08
Royal Purple (survey)
#4B006E
ΔE00 5.20
Rebeccapurple
#663399
ΔE00 5.93
Indigo (survey)
#380282
ΔE00 6.51
Purple (survey)
#7E1E9C
ΔE00 7.33
Darkish Purple
#751973
ΔE00 8.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581B85 #48851B
analogous
#231B85 #581B85 #851B7D
triadic
#581B85 #85581B #1B8558
tetradic
#581B85 #85231B #48851B #1B7D85
square
#581B85 #85231B #48851B #1B7D85
split-complementary
#581B85 #7D851B #1B8523
monochromatic
#15061F #361152 #581B85 #7A25B8 #9942D9
Accessibility & contrast
On white
10.99
#581B85 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#581B85 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581B85
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581B85 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581B85 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B88
Deuteranopia (green-blind)
#003C83
Tritanopia (blue-blind)
#503650
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #581b85; /* rgb */ color: rgb(88, 27, 133); /* oklch */ color: oklch(37.8% 0.165 305.8);
Tailwind
colors: {
custom: {
50: '#8c5fa9',
500: '#581b85',
950: '#000000',
},
}SCSS
$custom: #581b85; $custom-light: #8c5fa9; $custom-dark: #000000;
JSON
{
"hex": "#581b85",
"rgb": {
"r": 88,
"g": 27,
"b": 133
},
"hsl": {
"h": 274.528,
"s": 66.25,
"l": 31.373
},
"oklch": {
"l": 0.37806,
"c": 0.16509,
"h": 305.8
},
"luminance": 0.04552
}Semantic roles & 50–950 ramp
primary
#581B85
secondary
#75B844
accent
#E93F87
background
#F8F5FA
surface
#F0EAF4
border
#CBC6CE
text
#0D0510
muted
#7D797F