#3F1E5B
Closest named color: Plum Purple (#4E0550). oklch(31.4% 0.107 306.1), rgb(63, 30, 91).
Aa
White text reads best on this color (13.56:1).
About this color
#3F1E5B is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.107 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 0.052 away. White text reads best on it, at 13.56:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.54:1 |
| White text | 13.56:1 |
Values
| HEX | #3F1E5B |
| RGB | rgb(63, 30, 91) |
| HSL | hsl(272, 50%, 24%) |
| OKLCH | oklch(31.4% 0.107 306.1) |
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 #3F1E5B | 13.56:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #3F1E5B | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #3F1E5B text on white | 13.56:1 | AAA | Lc 99.7 | Preferred for body text |
| #3F1E5B 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
#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
#BF7AFF
oklch(70.7% 0.195 306)
-
Step 500
500
#B14BFF
oklch(63.1% 0.254 306.2)
-
Step 600
600
#9E10F0
oklch(55.7% 0.281 306.2)
-
Step 700
700
#8600CE
oklch(49.2% 0.254 306.1)
-
Step 800
800
#6D07A9
oklch(42.7% 0.216 305.8)
-
Step 900
900
#581886
oklch(37.6% 0.169 305.8)
-
Step 950
950 (this color)
#3F1E5B
oklch(31.4% 0.107 306.1)
#3F1E5B 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) | #002D5D | 0.090 |
| Deuteranopia (no green cones) | #112E5A | 0.080 |
| Tritanopia (no blue cones) | #3A2A39 | 0.076 |
| Achromatopsia (no color) | #2E2E2E | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1E5B
#3F1E5B
oklch(31.4% 0.107 306.1)
- #273800
#273800
oklch(31.4% 0.08 126.2)
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 #3F1E5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.052
- Deep Violet #490648 ΔE 0.055
- Royal Purple #4B006E ΔE 0.056
- Eggplant Purple #430541 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.068
- Dark Purple #35063E ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.075
- Indigo #4B0082 ΔE 0.077
Use #3F1E5B 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.