#583864
Closest named color: Dark Slate Blue (#483D8B). oklch(39.7% 0.081 316.4), rgb(88, 56, 100).
Aa
White text reads best on this color (9.70:1).
About this color
#583864 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.081 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.071 away. White text reads best on it, at 9.70:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.16:1 |
| White text | 9.70:1 |
Values
| HEX | #583864 |
| RGB | rgb(88, 56, 100) |
| HSL | hsl(284, 28%, 31%) |
| OKLCH | oklch(39.7% 0.081 316.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #583864 | 9.70:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #583864 | 2.16:1 | Fails | Lc 11.6 | Not readable |
| #583864 text on white | 9.70:1 | AAA | Lc 92.3 | Preferred for body text |
| #583864 text on black | 2.16:1 | Fails | Lc -10.1 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#EFE6F2
oklch(93.5% 0.019 317.7)
-
Step 200
200
#E2D3E9
oklch(88.6% 0.034 315.2)
-
Step 300
300
#D1B5DC
oklch(80.9% 0.062 316.4)
-
Step 400
400
#B98ECA
oklch(70.8% 0.098 316.2)
-
Step 500
500
#A770BC
oklch(63.1% 0.125 316.3)
-
Step 600
600
#9257A8
oklch(55.6% 0.136 316.3)
-
Step 700
700
#7C4790
oklch(49.1% 0.126 316.1)
-
Step 800
800
#653B75
oklch(42.8% 0.104 316.1)
-
Step 900
900 (this color)
#583864
oklch(39.7% 0.081 316.4)
-
Step 950
950
#301E37
oklch(26.9% 0.051 316.1)
#583864 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #314266 | 0.068 |
| Deuteranopia (no green cones) | #394563 | 0.062 |
| Tritanopia (no blue cones) | #583E49 | 0.054 |
| Achromatopsia (no color) | #444444 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583864
#583864
oklch(39.7% 0.081 316.4)
- #315122
#315122
oklch(39.8% 0.082 136.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #583864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.071
- Purple Brown #673A3F ΔE 0.071
- Grape Purple #5D1451 ΔE 0.079
- Brownish Purple #76424E ΔE 0.081
- Dusk #4E5481 ΔE 0.082
- Twilight #4E518B ΔE 0.084
- Dark Grey Blue #29465B ΔE 0.086
- Dusty Grape #545775 ΔE 0.086
Use #583864 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.