#583F99#583F99
#583F99 is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.3% C 0.141 H 292.5°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).
Color values
| HEX | #583F99 |
|---|---|
| RGB | rgb(88, 63, 153) |
| HSL | hsl(257, 42%, 42%) |
| HSV | hsv(257, 59%, 60%) |
| CMYK | cmyk(42.5%, 58.8%, 0%, 40%) |
| CIE-LAB | lab(33.84, 32.85, -45.72) |
| CIE-LCH | lch(33.84, 56.30, 305.70°) |
| OKLab | oklab(44.34% 0.054 -0.1302) |
| OKLCH | oklch(44.34% 0.141 292.5) |
| XYZ | xyz(11.5502, 7.9293, 31.0528) |
| Luminance | 0.0793 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.67
Blueberry
#464196
ΔE00 3.90
Rebeccapurple
#663399
ΔE00 4.51
Ocean Blue
#4F42B5
ΔE00 5.11
Blue With A Hint Of Purple
#533CC6
ΔE00 7.06
Bluey Purple
#6241C7
ΔE00 7.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583F99 #80993F
analogous
#3F5399 #583F99 #853F99
triadic
#583F99 #99583F #3F9958
tetradic
#583F99 #993F53 #80993F #3F9985
square
#583F99 #993F53 #80993F #3F9985
split-complementary
#583F99 #99853F #53993F
monochromatic
#261B42 #3F2D6E #583F99 #755ABB #9985CD
Accessibility & contrast
On white
8.12
#583F99 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.59
#583F99 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583F99
8.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583F99 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583F99 | 1.00 | 8.12 | 2.59 | 8.12 |
| #FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.59 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#06519C
Deuteranopia (green-blind)
#124E97
Tritanopia (blue-blind)
#465366
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #583f99; /* rgb */ color: rgb(88, 63, 153); /* oklch */ color: oklch(44.3% 0.141 292.5);
Tailwind
colors: {
custom: {
50: '#8c75b8',
500: '#583f99',
950: '#000000',
},
}SCSS
$custom: #583f99; $custom-light: #8c75b8; $custom-dark: #000000;
JSON
{
"hex": "#583f99",
"rgb": {
"r": 88,
"g": 63,
"b": 153
},
"hsl": {
"h": 256.667,
"s": 41.667,
"l": 42.353
},
"oklch": {
"l": 0.4434,
"c": 0.14091,
"h": 292.5
},
"luminance": 0.0793
}Semantic roles & 50–950 ramp
primary
#583F99
secondary
#A7B77C
accent
#D156AF
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0811
muted
#7D7B80