#573E91#573E91
#573E91 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.5% C 0.132 H 294.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).
Color values
| HEX | #573E91 |
|---|---|
| RGB | rgb(87, 62, 145) |
| HSL | hsl(258, 40%, 41%) |
| HSV | hsv(258, 57%, 57%) |
| CMYK | cmyk(40%, 57.2%, 0%, 43.1%) |
| CIE-LAB | lab(32.95, 30.89, -42.27) |
| CIE-LCH | lch(32.95, 52.36, 306.16°) |
| OKLab | oklab(43.49% 0.0538 -0.1201) |
| OKLCH | oklch(43.49% 0.132 294.1) |
| XYZ | xyz(10.7626, 7.5156, 27.6662) |
| Luminance | 0.0752 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.16
Blueberry
#464196
ΔE00 4.21
Rebeccapurple
#663399
ΔE00 4.60
Ocean Blue
#4F42B5
ΔE00 6.45
Twilight
#4E518B
ΔE00 7.78
Royal Purple
#7851A9
ΔE00 8.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#573E91 #78913E
analogous
#3E4E91 #573E91 #803E91
triadic
#573E91 #91573E #3E9157
tetradic
#573E91 #913E4E #78913E #3E9180
square
#573E91 #913E4E #78913E #3E9180
split-complementary
#573E91 #91803E #4E913E
monochromatic
#24193B #3D2C66 #573E91 #7356B7 #9680C9
Accessibility & contrast
On white
8.39
#573E91 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.50
#573E91 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #573E91
8.39:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##573E91 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##573E91 | 1.00 | 8.39 | 2.50 | 8.39 |
| #FFFFFF | 8.39 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.39 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#144E94
Deuteranopia (green-blind)
#1C4C8F
Tritanopia (blue-blind)
#484F61
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #573e91; /* rgb */ color: rgb(87, 62, 145); /* oklch */ color: oklch(43.5% 0.132 294.1);
Tailwind
colors: {
custom: {
50: '#8a74b2',
500: '#573e91',
950: '#000000',
},
}SCSS
$custom: #573e91; $custom-light: #8a74b2; $custom-dark: #000000;
JSON
{
"hex": "#573e91",
"rgb": {
"r": 87,
"g": 62,
"b": 145
},
"hsl": {
"h": 258.072,
"s": 40.097,
"l": 40.588
},
"oklch": {
"l": 0.43491,
"c": 0.13157,
"h": 294.1
},
"luminance": 0.07516
}Semantic roles & 50–950 ramp
primary
#573E91
secondary
#A1B378
accent
#D058AC
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0811
muted
#7D7B80