#583B9C#583B9C
#583B9C is a dark, vivid violet. Relative luminance 0.076; OKLCH L 43.9% C 0.151 H 292.9°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).
Color values
| HEX | #583B9C |
|---|---|
| RGB | rgb(88, 59, 156) |
| HSL | hsl(258, 45%, 42%) |
| HSV | hsv(258, 62%, 61%) |
| CMYK | cmyk(43.6%, 62.2%, 0%, 38.8%) |
| CIE-LAB | lab(33.14, 36.11, -48.66) |
| CIE-LCH | lch(33.14, 60.60, 306.58°) |
| OKLab | oklab(43.9% 0.0587 -0.1388) |
| OKLCH | oklch(43.9% 0.151 292.9) |
| XYZ | xyz(11.5876, 7.6026, 32.3030) |
| Luminance | 0.0760 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.76
Darkslateblue
#483D8B
ΔE00 4.28
Blueberry
#464196
ΔE00 4.48
Ocean Blue
#4F42B5
ΔE00 4.90
Blue With A Hint Of Purple
#533CC6
ΔE00 6.44
Bluey Purple
#6241C7
ΔE00 6.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583B9C #7F9C3B
analogous
#3B4F9C #583B9C #893B9C
triadic
#583B9C #9C583B #3B9C58
tetradic
#583B9C #9C3B4F #7F9C3B #3B9C89
square
#583B9C #9C3B4F #7F9C3B #3B9C89
split-complementary
#583B9C #9C893B #4F9C3B
monochromatic
#261943 #3F2A70 #583B9C #7555BF #9982D0
Accessibility & contrast
On white
8.33
#583B9C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.52
#583B9C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583B9C
8.33:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583B9C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583B9C | 1.00 | 8.33 | 2.52 | 8.33 |
| #FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.33 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004F9F
Deuteranopia (green-blind)
#004C9A
Tritanopia (blue-blind)
#455166
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #583b9c; /* rgb */ color: rgb(88, 59, 156); /* oklch */ color: oklch(43.9% 0.151 292.9);
Tailwind
colors: {
custom: {
50: '#8c72ba',
500: '#583b9c',
950: '#000000',
},
}SCSS
$custom: #583b9c; $custom-light: #8c72ba; $custom-dark: #000000;
JSON
{
"hex": "#583b9c",
"rgb": {
"r": 88,
"g": 59,
"b": 156
},
"hsl": {
"h": 257.938,
"s": 45.116,
"l": 42.157
},
"oklch": {
"l": 0.43899,
"c": 0.15072,
"h": 292.9
},
"luminance": 0.07603
}Semantic roles & 50–950 ramp
primary
#583B9C
secondary
#A6B979
accent
#D553AE
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0D0812
muted
#7D7B81