#3D1B5D
Closest named color: Royal Purple (#4B006E). oklch(30.8% 0.113 304.1), rgb(61, 27, 93).
Aa
White text reads best on this color (13.87:1).
About this color
#3D1B5D is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.113 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.051 away. White text reads best on it, at 13.87:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.51:1 |
| White text | 13.87:1 |
Values
| HEX | #3D1B5D |
| RGB | rgb(61, 27, 93) |
| HSL | hsl(271, 55%, 24%) |
| OKLCH | oklch(30.8% 0.113 304.1) |
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 #3D1B5D | 13.87:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #3D1B5D | 1.51:1 | Fails | Lc 0.0 | Not readable |
| #3D1B5D text on white | 13.87:1 | AAA | Lc 100.1 | Preferred for body text |
| #3D1B5D text on black | 1.51:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#EFE4FF
oklch(93.6% 0.038 304.1)
-
Step 200
200
#E3CEFF
oklch(88.4% 0.07 304.5)
-
Step 300
300
#D1ADFF
oklch(80.8% 0.119 304)
-
Step 400
400
#BB7DFF
oklch(70.7% 0.19 304)
-
Step 500
500
#AC50FF
oklch(63.1% 0.248 304.2)
-
Step 600
600
#9B00F7
oklch(55.5% 0.29 304.1)
-
Step 700
700
#8300D2
oklch(49.1% 0.256 304.1)
-
Step 800
800
#6C00AE
oklch(42.7% 0.223 304.2)
-
Step 900
900
#58138C
oklch(37.7% 0.179 304.2)
-
Step 950
950 (this color)
#3D1B5D
oklch(30.8% 0.113 304.1)
#3D1B5D 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) | #002C5F | 0.089 |
| Deuteranopia (no green cones) | #052C5C | 0.087 |
| Tritanopia (no blue cones) | #372A39 | 0.084 |
| Achromatopsia (no color) | #2C2C2C | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1B5D
#3D1B5D
oklch(30.8% 0.113 304.1)
- #283600
#283600
oklch(30.9% 0.077 124.1)
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 #3D1B5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.051
- Plum Purple #4E0550 ΔE 0.053
- Deep Violet #490648 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.063
- Dark Purple #35063E ΔE 0.071
- Indigo #4B0082 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.074
- Deep Purple #36013F ΔE 0.074
Use #3D1B5D 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.