#581FA9#581FA9
#581FA9 is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.199 H 294.6°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).
Color values
| HEX | #581FA9 |
|---|---|
| RGB | rgb(88, 31, 169) |
| HSL | hsl(265, 69%, 39%) |
| HSV | hsv(265, 82%, 66%) |
| CMYK | cmyk(47.9%, 81.7%, 0%, 33.7%) |
| CIE-LAB | lab(29.21, 53.68, -62.94) |
| CIE-LCH | lch(29.21, 82.72, 310.46°) |
| OKLab | oklab(41.44% 0.0826 -0.1806) |
| OKLCH | oklch(41.44% 0.199 294.6) |
| XYZ | xyz(11.6740, 5.9189, 38.0558) |
| Luminance | 0.0592 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 4.34
Violet Blue
#510AC9
ΔE00 4.45
Purple Blue
#5D21D0
ΔE00 5.35
Rebeccapurple
#663399
ΔE00 5.57
Ultramarine
#2000B1
ΔE00 7.21
Indigo
#4B0082
ΔE00 7.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581FA9 #70A91F
analogous
#1F2BA9 #581FA9 #9D1FA9
triadic
#581FA9 #A9581F #1FA958
tetradic
#581FA9 #A91F2B #70A91F #1FA99D
square
#581FA9 #A91F2B #70A91F #1FA99D
split-complementary
#581FA9 #A99D1F #2BA91F
monochromatic
#220C42 #3D1675 #581FA9 #742DD8 #9660E2
Accessibility & contrast
On white
9.62
#581FA9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.18
#581FA9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581FA9
9.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581FA9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581FA9 | 1.00 | 9.62 | 2.18 | 9.62 |
| #FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.18 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0046AD
Deuteranopia (green-blind)
#0043A6
Tritanopia (blue-blind)
#404765
Achromatopsia (no color)
#454545
Design tokens & code
CSS
--color: #581fa9; /* rgb */ color: rgb(88, 31, 169); /* oklch */ color: oklch(41.4% 0.199 294.6);
Tailwind
colors: {
custom: {
50: '#9063c4',
500: '#581fa9',
950: '#000000',
},
}SCSS
$custom: #581fa9; $custom-light: #9063c4; $custom-dark: #000000;
JSON
{
"hex": "#581fa9",
"rgb": {
"r": 88,
"g": 31,
"b": 169
},
"hsl": {
"h": 264.783,
"s": 69,
"l": 39.216
},
"oklch": {
"l": 0.41439,
"c": 0.19858,
"h": 294.6
},
"luminance": 0.05919
}Semantic roles & 50–950 ramp
primary
#581FA9
secondary
#9BC75D
accent
#EC3CA3
background
#F9F6FC
surface
#F2EBF8
border
#CCC6D1
text
#0E0613
muted
#7E7A82