#5D3386
Closest named color: Rebecca Purple (#663399). oklch(41.6% 0.135 304.5), rgb(93, 51, 134).
Aa
White text reads best on this color (9.19:1).
About this color
#5D3386 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.135 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.035 away. White text reads best on it, at 9.19:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #5D3386 |
| RGB | rgb(93, 51, 134) |
| HSL | hsl(270, 45%, 36%) |
| OKLCH | oklch(41.6% 0.135 304.5) |
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 #5D3386 | 9.19:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #5D3386 | 2.28:1 | Fails | Lc 13.2 | Not readable |
| #5D3386 text on white | 9.19:1 | AAA | Lc 90.8 | Preferred for body text |
| #5D3386 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
#EDE6F7
oklch(93.5% 0.024 304.5)
-
Step 200
200
#DFD2F1
oklch(88.4% 0.044 304.5)
-
Step 300
300
#CCB4EB
oklch(80.9% 0.08 304.5)
-
Step 400
400
#B28BE0
oklch(70.6% 0.127 304.5)
-
Step 500
500
#A06CD7
oklch(63.1% 0.162 304.6)
-
Step 600
600
#8B51C5
oklch(55.6% 0.177 304.3)
-
Step 700
700
#7641AA
oklch(49.1% 0.164 304.3)
-
Step 800
800 (this color)
#5D3386
oklch(41.6% 0.135 304.5)
-
Step 900
900
#4E306E
oklch(37.6% 0.106 304.1)
-
Step 950
950
#2E1D40
oklch(27% 0.066 304.8)
#5D3386 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) | #094789 | 0.110 |
| Deuteranopia (no green cones) | #204884 | 0.099 |
| Tritanopia (no blue cones) | #564457 | 0.100 |
| Achromatopsia (no color) | #484848 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3386
#5D3386
oklch(41.6% 0.135 304.5)
- #405500
#405500
oklch(41.7% 0.104 124.4)
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 #5D3386, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.035
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.055
- Twilight #4E518B ΔE 0.078
- Chrysanthemum #560BAD ΔE 0.086
- Indigo #4B0082 ΔE 0.089
- Purple #800080 ΔE 0.089
- Dusk #4E5481 ΔE 0.090
Use #5D3386 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.