#5D3580
Closest named color: Dark Slate Blue (#483D8B). oklch(41.5% 0.125 306.3), rgb(93, 53, 128).
Aa
White text reads best on this color (9.18:1).
About this color
#5D3580 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.125 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.044 away. White text reads best on it, at 9.18:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #5D3580 |
| RGB | rgb(93, 53, 128) |
| HSL | hsl(272, 41%, 35%) |
| OKLCH | oklch(41.5% 0.125 306.3) |
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 #5D3580 | 9.18:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #5D3580 | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #5D3580 text on white | 9.18:1 | AAA | Lc 90.8 | Preferred for body text |
| #5D3580 text on black | 2.28:1 | Fails | Lc -11.5 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE6F5
oklch(93.5% 0.021 306.8)
-
Step 200
200
#E0D3EF
oklch(88.6% 0.04 306.5)
-
Step 300
300
#CCB5E6
oklch(80.9% 0.072 306.1)
-
Step 400
400
#B38DDA
oklch(70.7% 0.116 306.3)
-
Step 500
500
#A06ED0
oklch(63% 0.15 306.1)
-
Step 600
600
#8C54BD
oklch(55.6% 0.163 306.5)
-
Step 700
700
#7744A3
oklch(49.2% 0.151 306.4)
-
Step 800
800 (this color)
#5D3580
oklch(41.5% 0.125 306.3)
-
Step 900
900
#4F316A
oklch(37.7% 0.099 306.6)
-
Step 950
950
#2E1D3E
oklch(26.9% 0.063 306.4)
#5D3580 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) | #194682 | 0.101 |
| Deuteranopia (no green cones) | #28487E | 0.091 |
| Tritanopia (no blue cones) | #574355 | 0.090 |
| Achromatopsia (no color) | #484848 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3580
#5D3580
oklch(41.5% 0.125 306.3)
- #3D5500
#3D5500
oklch(41.4% 0.106 126.1)
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 #5D3580, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.044
- Rebecca Purple #663399 ΔE 0.044
- Blueberry #464196 ΔE 0.058
- Twilight #4E518B ΔE 0.074
- Dusk #4E5481 ΔE 0.084
- Purple #800080 ΔE 0.091
- Indigo #4B0082 ΔE 0.094
- Grape Purple #5D1451 ΔE 0.097
Use #5D3580 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.