#581F8C#581F8C
#581F8C is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.168 H 302.9°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).
Color values
| HEX | #581F8C |
|---|---|
| RGB | rgb(88, 31, 140) |
| HSL | hsl(271, 64%, 34%) |
| HSV | hsv(271, 78%, 55%) |
| CMYK | cmyk(37.1%, 77.9%, 0%, 45.1%) |
| CIE-LAB | lab(26.59, 46.40, -49.49) |
| CIE-LCH | lch(26.59, 67.84, 313.16°) |
| OKLab | oklab(38.81% 0.0913 -0.1411) |
| OKLCH | oklch(38.81% 0.168 302.9) |
| XYZ | xyz(9.2470, 4.9481, 25.2738) |
| Luminance | 0.0495 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.68
Rebeccapurple
#663399
ΔE00 5.00
Royal Purple (survey)
#4B006E
ΔE00 6.40
Indigo (survey)
#380282
ΔE00 6.75
Purple (survey)
#7E1E9C
ΔE00 7.06
Indigo Blue
#3A18B1
ΔE00 7.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581F8C #538C1F
analogous
#211F8C #581F8C #8C1F89
triadic
#581F8C #8C581F #1F8C58
tetradic
#581F8C #8C211F #538C1F #1F898C
square
#581F8C #8C211F #538C1F #1F898C
split-complementary
#581F8C #898C1F #1F8C21
monochromatic
#190928 #39145A #581F8C #772ABE #964ED8
Accessibility & contrast
On white
10.55
#581F8C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.99
#581F8C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581F8C
10.55:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581F8C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581F8C | 1.00 | 10.55 | 1.99 | 10.55 |
| #FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.99 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.55 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003E8F
Deuteranopia (green-blind)
#003F8A
Tritanopia (blue-blind)
#4D3B54
Achromatopsia (no color)
#3F3F3F
Design tokens & code
CSS
--color: #581f8c; /* rgb */ color: rgb(88, 31, 140); /* oklch */ color: oklch(38.8% 0.168 302.9);
Tailwind
colors: {
custom: {
50: '#8c61ae',
500: '#581f8c',
950: '#000000',
},
}SCSS
$custom: #581f8c; $custom-light: #8c61ae; $custom-dark: #000000;
JSON
{
"hex": "#581f8c",
"rgb": {
"r": 88,
"g": 31,
"b": 140
},
"hsl": {
"h": 271.376,
"s": 63.743,
"l": 33.529
},
"oklch": {
"l": 0.38809,
"c": 0.16806,
"h": 302.9
},
"luminance": 0.04948
}Semantic roles & 50–950 ramp
primary
#581F8C
secondary
#81BB4C
accent
#E74190
background
#F9F6FA
surface
#F1EBF4
border
#CBC6CE
text
#0D0510
muted
#7E7A7F