#583665
Closest named color: Dark Slate Blue (#483D8B). oklch(39.4% 0.087 316.2), rgb(88, 54, 101).
Aa
White text reads best on this color (9.85:1).
About this color
#583665 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.087 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 0.069 away. White text reads best on it, at 9.85:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #583665 |
| RGB | rgb(88, 54, 101) |
| HSL | hsl(283, 30%, 30%) |
| OKLCH | oklch(39.4% 0.087 316.2) |
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 #583665 | 9.85:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #583665 | 2.13:1 | Fails | Lc 11.3 | Not readable |
| #583665 text on white | 9.85:1 | AAA | Lc 92.7 | Preferred for body text |
| #583665 text on black | 2.13:1 | Fails | Lc -9.8 | 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
#EFE6F3
oklch(93.6% 0.02 315.7)
-
Step 200
200
#E3D2EA
oklch(88.5% 0.037 316.2)
-
Step 300
300
#D1B4DD
oklch(80.8% 0.065 316)
-
Step 400
400
#BA8CCC
oklch(70.6% 0.104 316.2)
-
Step 500
500
#A96EBF
oklch(63.1% 0.133 316.4)
-
Step 600
600
#9455AB
oklch(55.7% 0.144 316.4)
-
Step 700
700
#7E4493
oklch(49.1% 0.135 316.4)
-
Step 800
800
#663977
oklch(42.7% 0.11 316.1)
-
Step 900
900 (this color)
#583665
oklch(39.4% 0.087 316.2)
-
Step 950
950
#311D38
oklch(26.9% 0.055 317)
#583665 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) | #2E4167 | 0.073 |
| Deuteranopia (no green cones) | #374464 | 0.066 |
| Tritanopia (no blue cones) | #573C48 | 0.057 |
| Achromatopsia (no color) | #434343 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583665
#583665
oklch(39.4% 0.087 316.2)
- #2F501E
#2F501E
oklch(39.3% 0.086 136.3)
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 #583665, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.069
- Grape Purple #5D1451 ΔE 0.075
- Purple Brown #673A3F ΔE 0.075
- Brownish Purple #76424E ΔE 0.085
- Dusk #4E5481 ΔE 0.086
- Twilight #4E518B ΔE 0.087
- Blueberry #464196 ΔE 0.087
- Dark Grey Blue #29465B ΔE 0.089
Use #583665 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.