#573B9C#573B9C
#573B9C is a dark, vivid violet. Relative luminance 0.076; OKLCH L 43.8% C 0.151 H 292.3°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).
Color values
| HEX | #573B9C |
|---|---|
| RGB | rgb(87, 59, 156) |
| HSL | hsl(257, 45%, 42%) |
| HSV | hsv(257, 62%, 61%) |
| CMYK | cmyk(44.2%, 62.2%, 0%, 38.8%) |
| CIE-LAB | lab(33.04, 35.89, -48.84) |
| CIE-LCH | lch(33.04, 60.61, 306.31°) |
| OKLab | oklab(43.8% 0.0573 -0.1394) |
| OKLCH | oklch(43.8% 0.151 292.3) |
| XYZ | xyz(11.4935, 7.5541, 32.2986) |
| Luminance | 0.0755 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.94
Darkslateblue
#483D8B
ΔE00 4.15
Blueberry
#464196
ΔE00 4.31
Ocean Blue
#4F42B5
ΔE00 4.80
Blue With A Hint Of Purple
#533CC6
ΔE00 6.39
Bluey Purple
#6241C7
ΔE00 6.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#573B9C #809C3B
analogous
#3B4F9C #573B9C #883B9C
triadic
#573B9C #9C573B #3B9C57
tetradic
#573B9C #9C3B4F #809C3B #3B9C88
square
#573B9C #9C3B4F #809C3B #3B9C88
split-complementary
#573B9C #9C883B #4F9C3B
monochromatic
#251943 #3E2A70 #573B9C #7455BF #9882D0
Accessibility & contrast
On white
8.36
#573B9C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#573B9C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #573B9C
8.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##573B9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##573B9C | 1.00 | 8.36 | 2.51 | 8.36 |
| #FFFFFF | 8.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004F9F
Deuteranopia (green-blind)
#004C9A
Tritanopia (blue-blind)
#435166
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #573b9c; /* rgb */ color: rgb(87, 59, 156); /* oklch */ color: oklch(43.8% 0.151 292.3);
Tailwind
colors: {
custom: {
50: '#8c72ba',
500: '#573b9c',
950: '#000000',
},
}SCSS
$custom: #573b9c; $custom-light: #8c72ba; $custom-dark: #000000;
JSON
{
"hex": "#573b9c",
"rgb": {
"r": 87,
"g": 59,
"b": 156
},
"hsl": {
"h": 257.32,
"s": 45.116,
"l": 42.157
},
"oklch": {
"l": 0.43798,
"c": 0.15069,
"h": 292.3
},
"luminance": 0.07554
}Semantic roles & 50–950 ramp
primary
#573B9C
secondary
#A7B979
accent
#D553AF
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0812
muted
#7D7B81