#3F1D5E
Closest named color: Royal Purple (#4B006E). oklch(31.5% 0.112 304.8), rgb(63, 29, 94).
Aa
White text reads best on this color (13.55:1).
About this color
#3F1D5E is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.112 and its hue 305°. 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 13.55:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.54:1 |
| White text | 13.55:1 |
Values
| HEX | #3F1D5E |
| RGB | rgb(63, 29, 94) |
| HSL | hsl(271, 53%, 24%) |
| OKLCH | oklch(31.5% 0.112 304.8) |
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 #3F1D5E | 13.55:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #3F1D5E | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #3F1D5E text on white | 13.55:1 | AAA | Lc 99.6 | Preferred for body text |
| #3F1D5E text on black | 1.54:1 | 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
#D2ADFF
oklch(80.9% 0.119 304.6)
-
Step 400
400
#BD7CFF
oklch(70.8% 0.192 304.9)
-
Step 500
500
#AE4EFF
oklch(63.1% 0.25 305)
-
Step 600
600
#9C00F6
oklch(55.5% 0.289 304.6)
-
Step 700
700
#8400D0
oklch(49.1% 0.255 304.9)
-
Step 800
800
#6D00AD
oklch(42.8% 0.222 304.9)
-
Step 900
900
#58148A
oklch(37.6% 0.177 304.8)
-
Step 950
950 (this color)
#3F1D5E
oklch(31.5% 0.112 304.8)
#3F1D5E 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) | #002D60 | 0.090 |
| Deuteranopia (no green cones) | #0B2E5D | 0.085 |
| Tritanopia (no blue cones) | #392B3A | 0.082 |
| Achromatopsia (no color) | #2E2E2E | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1D5E
#3F1D5E
oklch(31.5% 0.112 304.8)
- #293800
#293800
oklch(31.6% 0.079 124.5)
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 #3F1D5E, 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 0.057
- Eggplant Purple #430541 ΔE 0.065
- Grape Purple #5D1451 ΔE 0.070
- Indigo #4B0082 ΔE 0.072
- Dark Purple #35063E ΔE 0.076
- Deep Purple #36013F ΔE 0.079
Use #3F1D5E 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.