#583564
Closest named color: Dark Slate Blue (#483D8B). oklch(39.1% 0.087 317.1), rgb(88, 53, 100).
Aa
White text reads best on this color (9.96:1).
About this color
#583564 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.087 and its hue 317°. 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 9.96:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.10:1 |
| White text | 9.96:1 |
Values
| HEX | #583564 |
| RGB | rgb(88, 53, 100) |
| HSL | hsl(285, 31%, 30%) |
| OKLCH | oklch(39.1% 0.087 317.1) |
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 #583564 | 9.96:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #583564 | 2.10:1 | Fails | Lc 11.0 | Not readable |
| #583564 text on white | 9.96:1 | AAA | Lc 92.9 | Preferred for body text |
| #583564 text on black | 2.10:1 | Fails | Lc -9.5 | 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
#E3D2E9
oklch(88.4% 0.036 317.3)
-
Step 300
300
#D2B4DD
oklch(80.9% 0.065 316.9)
-
Step 400
400
#BB8CCC
oklch(70.7% 0.104 316.9)
-
Step 500
500
#AA6EBF
oklch(63.2% 0.134 316.9)
-
Step 600
600
#9554AB
oklch(55.6% 0.146 317)
-
Step 700
700
#7F4493
oklch(49.2% 0.136 316.9)
-
Step 800
800
#673877
oklch(42.6% 0.113 317)
-
Step 900
900 (this color)
#583564
oklch(39.1% 0.087 317.1)
-
Step 950
950
#311D38
oklch(26.9% 0.055 317)
#583564 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) | #2D4066 | 0.075 |
| Deuteranopia (no green cones) | #364463 | 0.069 |
| Tritanopia (no blue cones) | #583B47 | 0.057 |
| Achromatopsia (no color) | #434343 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583564
#583564
oklch(39.1% 0.087 317.1)
- #2D501E
#2D501E
oklch(39.2% 0.087 137.3)
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 #583564, 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
- Grape Purple #5D1451 ΔE 0.072
- Purple Brown #673A3F ΔE 0.075
- Brownish Purple #76424E ΔE 0.086
- Dusk #4E5481 ΔE 0.089
- Velvet #750851 ΔE 0.089
- Blueberry #464196 ΔE 0.089
- Twilight #4E518B ΔE 0.090
Use #583564 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.