#583B9D#583B9D
#583B9D is a dark, vivid violet. Relative luminance 0.076; OKLCH L 44.0% C 0.152 H 292.7°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).
Color values
| HEX | #583B9D |
|---|---|
| RGB | rgb(88, 59, 157) |
| HSL | hsl(258, 45%, 42%) |
| HSV | hsv(258, 62%, 62%) |
| CMYK | cmyk(43.9%, 62.4%, 0%, 38.4%) |
| CIE-LAB | lab(33.21, 36.40, -49.15) |
| CIE-LCH | lch(33.21, 61.16, 306.52°) |
| OKLab | oklab(43.98% 0.0586 -0.1403) |
| OKLCH | oklch(43.98% 0.152 292.7) |
| XYZ | xyz(11.6726, 7.6366, 32.7508) |
| Luminance | 0.0764 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Rebeccapurple
#663399
ΔE00 3.80
Darkslateblue
#483D8B
ΔE00 4.38
Blueberry
#464196
ΔE00 4.50
Ocean Blue
#4F42B5
ΔE00 4.75
Blue With A Hint Of Purple
#533CC6
ΔE00 6.27
Bluey Purple
#6241C7
ΔE00 6.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583B9D #809D3B
analogous
#3B4F9D #583B9D #893B9D
triadic
#583B9D #9D583B #3B9D58
tetradic
#583B9D #9D3B4F #809D3B #3B9D89
square
#583B9D #9D3B4F #809D3B #3B9D89
split-complementary
#583B9D #9D893B #4F9D3B
monochromatic
#261A44 #3F2A71 #583B9D #7556BF #9982D0
Accessibility & contrast
On white
8.31
#583B9D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#583B9D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583B9D
8.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583B9D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583B9D | 1.00 | 8.31 | 2.53 | 8.31 |
| #FFFFFF | 8.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FA0
Deuteranopia (green-blind)
#004C9B
Tritanopia (blue-blind)
#455166
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #583b9d; /* rgb */ color: rgb(88, 59, 157); /* oklch */ color: oklch(44.0% 0.152 292.7);
Tailwind
colors: {
custom: {
50: '#8c72bb',
500: '#583b9d',
950: '#000000',
},
}SCSS
$custom: #583b9d; $custom-light: #8c72bb; $custom-dark: #000000;
JSON
{
"hex": "#583b9d",
"rgb": {
"r": 88,
"g": 59,
"b": 157
},
"hsl": {
"h": 257.755,
"s": 45.37,
"l": 42.353
},
"oklch": {
"l": 0.43976,
"c": 0.15201,
"h": 292.7
},
"luminance": 0.07637
}Semantic roles & 50–950 ramp
primary
#583B9D
secondary
#A7BA7A
accent
#D553AE
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0D0812
muted
#7D7B81