#573A9C#573A9C
#573A9C is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.6% C 0.152 H 292.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).
Color values
| HEX | #573A9C |
|---|---|
| RGB | rgb(87, 58, 156) |
| HSL | hsl(258, 46%, 42%) |
| HSV | hsv(258, 63%, 61%) |
| CMYK | cmyk(44.2%, 62.8%, 0%, 38.8%) |
| CIE-LAB | lab(32.82, 36.48, -49.20) |
| CIE-LCH | lch(32.82, 61.24, 306.56°) |
| OKLab | oklab(43.64% 0.0585 -0.1404) |
| OKLCH | oklch(43.64% 0.152 292.6) |
| XYZ | xyz(11.4426, 7.4523, 32.2816) |
| Luminance | 0.0745 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.78
Darkslateblue
#483D8B
ΔE00 4.27
Blueberry
#464196
ΔE00 4.49
Ocean Blue
#4F42B5
ΔE00 4.91
Blue With A Hint Of Purple
#533CC6
ΔE00 6.40
Bluey Purple
#6241C7
ΔE00 6.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#573A9C #7F9C3A
analogous
#3A4E9C #573A9C #883A9C
triadic
#573A9C #9C573A #3A9C57
tetradic
#573A9C #9C3A4E #7F9C3A #3A9C88
square
#573A9C #9C3A4E #7F9C3A #3A9C88
split-complementary
#573A9C #9C883A #4E9C3A
monochromatic
#251943 #3E296F #573A9C #7454BF #9880D0
Accessibility & contrast
On white
8.43
#573A9C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.49
#573A9C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #573A9C
8.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##573A9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##573A9C | 1.00 | 8.43 | 2.49 | 8.43 |
| #FFFFFF | 8.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004E9F
Deuteranopia (green-blind)
#004B9A
Tritanopia (blue-blind)
#445065
Achromatopsia (no color)
#4D4D4D
Design tokens & code
CSS
--color: #573a9c; /* rgb */ color: rgb(87, 58, 156); /* oklch */ color: oklch(43.6% 0.152 292.6);
Tailwind
colors: {
custom: {
50: '#8c72ba',
500: '#573a9c',
950: '#000000',
},
}SCSS
$custom: #573a9c; $custom-light: #8c72ba; $custom-dark: #000000;
JSON
{
"hex": "#573a9c",
"rgb": {
"r": 87,
"g": 58,
"b": 156
},
"hsl": {
"h": 257.755,
"s": 45.794,
"l": 41.961
},
"oklch": {
"l": 0.43637,
"c": 0.1521,
"h": 292.6
},
"luminance": 0.07453
}Semantic roles & 50–950 ramp
primary
#573A9C
secondary
#A6BA78
accent
#D552AF
background
#F8F6FB
surface
#F0ECF6
border
#CBC7D0
text
#0C0812
muted
#7D7B81