#583D92
Closest named color: Dark Slate Blue (#483D8B). oklch(43.5% 0.135 294.8), rgb(88, 61, 146).
Aa
White text reads best on this color (8.40:1).
About this color
#583D92 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.135 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 8.40:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #583D92 |
| RGB | rgb(88, 61, 146) |
| HSL | hsl(259, 41%, 41%) |
| OKLCH | oklch(43.5% 0.135 294.8) |
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 #583D92 | 8.40:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #583D92 | 2.49:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #583D92 text on white | 8.40:1 | AAA | Lc 88.7 | Fine for body text |
| #583D92 text on black | 2.49:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DAD4F4
oklch(88.5% 0.044 294.1)
-
Step 300
300
#C4B7EF
oklch(80.9% 0.079 295.2)
-
Step 400
400
#A690E7
oklch(70.7% 0.126 294.6)
-
Step 500
500
#9272DF
oklch(63.2% 0.16 294.9)
-
Step 600
600
#7D57CD
oklch(55.6% 0.175 294.9)
-
Step 700
700
#6A47B1
oklch(49.2% 0.162 295)
-
Step 800
800 (this color)
#583D92
oklch(43.5% 0.135 294.8)
-
Step 900
900
#463373
oklch(37.6% 0.106 294.4)
-
Step 950
950
#291F43
oklch(27.1% 0.065 294.4)
#583D92 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) | #104E95 | 0.090 |
| Deuteranopia (no green cones) | #1A4C90 | 0.085 |
| Tritanopia (no blue cones) | #4A4F61 | 0.107 |
| Achromatopsia (no color) | #4D4D4D | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583D92
#583D92
oklch(43.5% 0.135 294.8)
- #505700
#505700
oklch(43.6% 0.099 115)
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 #583D92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.031
- Rebecca Purple #663399 ΔE 0.034
- Twilight #4E518B ΔE 0.056
- Dusk #4E5481 ΔE 0.073
- Cobalt #1E488F ΔE 0.081
- Blue With A Hint Of Purple #533CC6 ΔE 0.084
- Dusk Blue #26538D ΔE 0.085
Use #583D92 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.