#583E9B#583E9B
#583E9B is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.3% C 0.145 H 292.3°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).
Color values
| HEX | #583E9B |
|---|---|
| RGB | rgb(88, 62, 155) |
| HSL | hsl(257, 43%, 43%) |
| HSV | hsv(257, 60%, 61%) |
| CMYK | cmyk(43.2%, 60%, 0%, 39.2%) |
| CIE-LAB | lab(33.74, 34.04, -47.08) |
| CIE-LCH | lch(33.74, 58.10, 305.86°) |
| OKLab | oklab(44.32% 0.0551 -0.1342) |
| OKLCH | oklch(44.32% 0.145 292.3) |
| XYZ | xyz(11.6619, 7.8862, 31.9117) |
| Luminance | 0.0789 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.91
Blueberry
#464196
ΔE00 4.01
Rebeccapurple
#663399
ΔE00 4.31
Ocean Blue
#4F42B5
ΔE00 4.82
Blue With A Hint Of Purple
#533CC6
ΔE00 6.66
Bluey Purple
#6241C7
ΔE00 6.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583E9B #819B3E
analogous
#3E539B #583E9B #863E9B
triadic
#583E9B #9B583E #3E9B58
tetradic
#583E9B #9B3E53 #819B3E #3E9B86
square
#583E9B #9B3E53 #819B3E #3E9B86
split-complementary
#583E9B #9B863E #539B3E
monochromatic
#261B44 #3F2D6F #583E9B #7559BD #9A85CE
Accessibility & contrast
On white
8.15
#583E9B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.58
#583E9B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583E9B
8.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583E9B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583E9B | 1.00 | 8.15 | 2.58 | 8.15 |
| #FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.15 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00519E
Deuteranopia (green-blind)
#094E99
Tritanopia (blue-blind)
#455366
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #583e9b; /* rgb */ color: rgb(88, 62, 155); /* oklch */ color: oklch(44.3% 0.145 292.3);
Tailwind
colors: {
custom: {
50: '#8c74b9',
500: '#583e9b',
950: '#000000',
},
}SCSS
$custom: #583e9b; $custom-light: #8c74b9; $custom-dark: #000000;
JSON
{
"hex": "#583e9b",
"rgb": {
"r": 88,
"g": 62,
"b": 155
},
"hsl": {
"h": 256.774,
"s": 42.857,
"l": 42.549
},
"oklch": {
"l": 0.44318,
"c": 0.14506,
"h": 292.3
},
"luminance": 0.07887
}Semantic roles & 50–950 ramp
primary
#583E9B
secondary
#A8B97C
accent
#D355B0
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0811
muted
#7D7B80