#3F1D69
Closest named color: Royal Purple (#4B006E). oklch(32.4% 0.126 299.8), rgb(63, 29, 105).
Aa
White text reads best on this color (13.19:1).
About this color
#3F1D69 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.126 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.044 away. White text reads best on it, at 13.19:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.59:1 |
| White text | 13.19:1 |
Values
| HEX | #3F1D69 |
| RGB | rgb(63, 29, 105) |
| HSL | hsl(267, 57%, 26%) |
| OKLCH | oklch(32.4% 0.126 299.8) |
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 #3F1D69 | 13.19:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #3F1D69 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #3F1D69 text on white | 13.19:1 | AAA | Lc 99.0 | Preferred for body text |
| #3F1D69 text on black | 1.59:1 | 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 900.
-
Step 50
50
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DED2F7
oklch(88.5% 0.052 300.1)
-
Step 300
300
#C9B3F5
oklch(80.8% 0.094 299.6)
-
Step 400
400
#AF89F0
oklch(70.7% 0.15 299.6)
-
Step 500
500
#9D67EB
oklch(63.2% 0.193 299.8)
-
Step 600
600
#8949D9
oklch(55.7% 0.21 300)
-
Step 700
700
#7439BC
oklch(49.1% 0.195 299.8)
-
Step 800
800
#5E3098
oklch(42.6% 0.162 299.8)
-
Step 900
900 (this color)
#3F1D69
oklch(32.4% 0.126 299.8)
-
Step 950
950
#2D1B47
oklch(27% 0.08 300)
#3F1D69 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) | #00306B | 0.088 |
| Deuteranopia (no green cones) | #002F67 | 0.089 |
| Tritanopia (no blue cones) | #352F40 | 0.095 |
| Achromatopsia (no color) | #303030 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1D69
#3F1D69
oklch(32.4% 0.126 299.8)
- #2F3900
#2F3900
oklch(32.4% 0.077 120)
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 #3F1D69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.044
- Indigo #4B0082 ΔE 0.056
- Plum Purple #4E0550 ΔE 0.065
- Deep Violet #490648 ΔE 0.072
- Midnight Blue #191970 ΔE 0.074
- Grape Purple #5D1451 ΔE 0.080
- Eggplant Purple #430541 ΔE 0.082
- Prussian Blue #1D3557 ΔE 0.089
Use #3F1D69 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.