#5D3191
Closest named color: Rebecca Purple (#663399). oklch(42.1% 0.152 301.2), rgb(93, 49, 145).
Aa
White text reads best on this color (9.07:1).
About this color
#5D3191 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.152 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.022 away. White text reads best on it, at 9.07:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.31:1 |
| White text | 9.07:1 |
Values
| HEX | #5D3191 |
| RGB | rgb(93, 49, 145) |
| HSL | hsl(267, 49%, 38%) |
| OKLCH | oklch(42.1% 0.152 301.2) |
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 #5D3191 | 9.07:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #5D3191 | 2.31:1 | Fails | Lc 13.6 | Not readable |
| #5D3191 text on white | 9.07:1 | AAA | Lc 90.4 | Preferred for body text |
| #5D3191 text on black | 2.31:1 | Fails | Lc -11.9 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DED2F5
oklch(88.4% 0.049 301)
-
Step 300
300
#CAB4F1
oklch(80.9% 0.088 301)
-
Step 400
400
#B08AEA
oklch(70.7% 0.141 301.1)
-
Step 500
500
#9E69E4
oklch(63.2% 0.182 301.3)
-
Step 600
600
#894CD2
oklch(55.5% 0.198 301.1)
-
Step 700
700
#753CB6
oklch(49.1% 0.184 301.3)
-
Step 800
800 (this color)
#5D3191
oklch(42.1% 0.152 301.2)
-
Step 900
900
#4D2E75
oklch(37.7% 0.118 301)
-
Step 950
950
#2D1C45
oklch(27.1% 0.075 300.6)
#5D3191 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) | #004894 | 0.113 |
| Deuteranopia (no green cones) | #07488F | 0.112 |
| Tritanopia (no blue cones) | #52465C | 0.113 |
| Achromatopsia (no color) | #484848 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D3191
#5D3191
oklch(42.1% 0.152 301.2)
- #455500
#455500
oklch(42.1% 0.101 121.4)
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 #5D3191, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.022
- Dark Slate Blue #483D8B ΔE 0.046
- Blueberry #464196 ΔE 0.052
- Chrysanthemum #560BAD ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.080
- Grape #7209B7 ΔE 0.081
- Twilight #4E518B ΔE 0.083
- Indigo #4B0082 ΔE 0.086
Use #5D3191 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.