#583368
Closest named color: Dark Slate Blue (#483D8B). oklch(39% 0.096 314.9), rgb(88, 51, 104).
Aa
White text reads best on this color (10.05:1).
About this color
#583368 is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.096 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.066 away. White text reads best on it, at 10.05:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #583368 |
| RGB | rgb(88, 51, 104) |
| HSL | hsl(282, 34%, 30%) |
| OKLCH | oklch(39% 0.096 314.9) |
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 #583368 | 10.05:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #583368 | 2.08:1 | Fails | Lc 10.8 | Not readable |
| #583368 text on white | 10.05:1 | AAA | Lc 93.1 | Preferred for body text |
| #583368 text on black | 2.08:1 | Fails | Lc -9.4 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EFE6F4
oklch(93.6% 0.021 313.8)
-
Step 200
200
#E3D2EC
oklch(88.5% 0.04 314.1)
-
Step 300
300
#D2B3E1
oklch(80.8% 0.072 314.7)
-
Step 400
400
#BC8AD2
oklch(70.7% 0.115 315.2)
-
Step 500
500
#AA6BC6
oklch(63.1% 0.147 314.7)
-
Step 600
600
#9650B3
oklch(55.6% 0.162 315)
-
Step 700
700
#7F409A
oklch(49% 0.15 314.6)
-
Step 800
800
#68367D
oklch(42.8% 0.124 314.9)
-
Step 900
900 (this color)
#583368
oklch(39% 0.096 314.9)
-
Step 950
950
#311C3B
oklch(26.9% 0.062 314.1)
#583368 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) | #28406A | 0.082 |
| Deuteranopia (no green cones) | #334367 | 0.073 |
| Tritanopia (no blue cones) | #573B48 | 0.065 |
| Achromatopsia (no color) | #424242 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583368
#583368
oklch(39% 0.096 314.9)
- #2D5014
#2D5014
oklch(39.1% 0.097 134.8)
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 #583368, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.066
- Grape Purple #5D1451 ΔE 0.070
- Purple Brown #673A3F ΔE 0.084
- Blueberry #464196 ΔE 0.085
- Rebecca Purple #663399 ΔE 0.085
- Rich Purple #720058 ΔE 0.088
- Velvet #750851 ΔE 0.088
- Twilight #4E518B ΔE 0.090
Use #583368 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.