#3D1B5A
Closest named color: Plum Purple (#4E0550). oklch(30.6% 0.11 305.7), rgb(61, 27, 90).
Aa
White text reads best on this color (13.97:1).
About this color
#3D1B5A is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.110 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.051 away. White text reads best on it, at 13.97:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.50:1 |
| White text | 13.97:1 |
Values
| HEX | #3D1B5A |
| RGB | rgb(61, 27, 90) |
| HSL | hsl(272, 54%, 23%) |
| OKLCH | oklch(30.6% 0.11 305.7) |
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 #3D1B5A | 13.97:1 | AAA | Lc -103.3 | Preferred for body text |
| Black text on #3D1B5A | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #3D1B5A text on white | 13.97:1 | AAA | Lc 100.2 | Preferred for body text |
| #3D1B5A text on black | 1.50:1 | 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
#F0E4FE
oklch(93.6% 0.037 306.4)
-
Step 200
200
#E4CEFF
oklch(88.5% 0.07 305.4)
-
Step 300
300
#D4ACFF
oklch(80.9% 0.121 305.9)
-
Step 400
400
#BE7AFF
oklch(70.6% 0.195 305.6)
-
Step 500
500
#B04CFF
oklch(63.1% 0.253 305.8)
-
Step 600
600
#9E00F4
oklch(55.6% 0.288 305.7)
-
Step 700
700
#8500CF
oklch(49.1% 0.254 305.5)
-
Step 800
800
#6E00AB
oklch(42.7% 0.221 305.9)
-
Step 900
900
#591688
oklch(37.8% 0.173 305.8)
-
Step 950
950 (this color)
#3D1B5A
oklch(30.6% 0.11 305.7)
#3D1B5A 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) | #002B5C | 0.090 |
| Deuteranopia (no green cones) | #0B2C59 | 0.084 |
| Tritanopia (no blue cones) | #382837 | 0.079 |
| Achromatopsia (no color) | #2C2C2C | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1B5A
#3D1B5A
oklch(30.6% 0.11 305.7)
- #263600
#263600
oklch(30.7% 0.078 125.7)
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 #3D1B5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.051
- Deep Violet #490648 ΔE 0.052
- Royal Purple #4B006E ΔE 0.055
- Eggplant Purple #430541 ΔE 0.058
- Dark Purple #35063E ΔE 0.067
- Deep Purple #36013F ΔE 0.071
- Grape Purple #5D1451 ΔE 0.073
- Eggplant #380835 ΔE 0.076
Use #3D1B5A 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.