#581C8E#581C8E
#581C8E is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.7% C 0.173 H 302.6°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).
Color values
| HEX | #581C8E |
|---|---|
| RGB | rgb(88, 28, 142) |
| HSL | hsl(272, 67%, 33%) |
| HSV | hsv(272, 80%, 56%) |
| CMYK | cmyk(38%, 80.3%, 0%, 44.3%) |
| CIE-LAB | lab(26.33, 48.13, -51.15) |
| CIE-LCH | lch(26.33, 70.24, 313.26°) |
| OKLab | oklab(38.68% 0.0934 -0.146) |
| OKLCH | oklch(38.68% 0.173 302.6) |
| XYZ | xyz(9.3211, 4.8582, 26.0326) |
| Luminance | 0.0486 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.33
Rebeccapurple
#663399
ΔE00 5.33
Royal Purple (survey)
#4B006E
ΔE00 6.33
Indigo (survey)
#380282
ΔE00 6.43
Indigo Blue
#3A18B1
ΔE00 7.07
Purple (survey)
#7E1E9C
ΔE00 7.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581C8E #528E1C
analogous
#1F1C8E #581C8E #8E1C8B
triadic
#581C8E #8E581C #1C8E58
tetradic
#581C8E #8E1F1C #528E1C #1C8B8E
square
#581C8E #8E1F1C #528E1C #1C8B8E
split-complementary
#581C8E #8B8E1C #1C8E1F
monochromatic
#190828 #38125B #581C8E #7826C1 #9649DB
Accessibility & contrast
On white
10.65
#581C8E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#581C8E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581C8E
10.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581C8E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581C8E | 1.00 | 10.65 | 1.97 | 10.65 |
| #FFFFFF | 10.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D91
Deuteranopia (green-blind)
#003E8C
Tritanopia (blue-blind)
#4D3B55
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #581c8e; /* rgb */ color: rgb(88, 28, 142); /* oklch */ color: oklch(38.7% 0.173 302.6);
Tailwind
colors: {
custom: {
50: '#8d60b0',
500: '#581c8e',
950: '#000000',
},
}SCSS
$custom: #581c8e; $custom-light: #8d60b0; $custom-dark: #000000;
JSON
{
"hex": "#581c8e",
"rgb": {
"r": 88,
"g": 28,
"b": 142
},
"hsl": {
"h": 271.579,
"s": 67.059,
"l": 33.333
},
"oklch": {
"l": 0.3868,
"c": 0.17329,
"h": 302.6
},
"luminance": 0.04858
}Semantic roles & 50–950 ramp
primary
#581C8E
secondary
#80BD49
accent
#EA3E8F
background
#F9F5FA
surface
#F1EAF5
border
#CBC6CF
text
#0D0511
muted
#7E7980