#3F1B50
Closest named color: Deep Violet (#490648). oklch(30.1% 0.098 313.4), rgb(63, 27, 80).
Aa
White text reads best on this color (14.15:1).
About this color
#3F1B50 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.098 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.041 away. White text reads best on it, at 14.15:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.48:1 |
| White text | 14.15:1 |
Values
| HEX | #3F1B50 |
| RGB | rgb(63, 27, 80) |
| HSL | hsl(281, 50%, 21%) |
| OKLCH | oklch(30.1% 0.098 313.4) |
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 #3F1B50 | 14.15:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #3F1B50 | 1.48:1 | Fails | Lc 0.0 | Not readable |
| #3F1B50 text on white | 14.15:1 | AAA | Lc 100.5 | Preferred for body text |
| #3F1B50 text on black | 1.48:1 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FA
oklch(93.6% 0.033 313.5)
-
Step 200
200
#E8CDF8
oklch(88.4% 0.065 312.9)
-
Step 300
300
#DBAAF6
oklch(80.9% 0.117 313.2)
-
Step 400
400
#C978F1
oklch(70.7% 0.186 313.5)
-
Step 500
500
#BA4CEC
oklch(63% 0.238 313.2)
-
Step 600
600
#A61FDA
oklch(55.6% 0.258 313.3)
-
Step 700
700
#8E08BD
oklch(49.1% 0.24 313.3)
-
Step 800
800
#741299
oklch(42.8% 0.199 313.5)
-
Step 900
900
#5D1B7A
oklch(37.6% 0.156 313)
-
Step 950
950 (this color)
#3F1B50
oklch(30.1% 0.098 313.4)
#3F1B50 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) | #092952 | 0.089 |
| Deuteranopia (no green cones) | #182C4F | 0.079 |
| Tritanopia (no blue cones) | #3D2532 | 0.067 |
| Achromatopsia (no color) | #2B2B2B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1B50
#3F1B50
oklch(30.1% 0.098 313.4)
- #1B3700
#1B3700
oklch(30.3% 0.086 133.6)
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 #3F1B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.044
- Eggplant Purple #430541 ΔE 0.046
- Dark Purple #35063E ΔE 0.058
- Aubergine #3D0734 ΔE 0.061
- Eggplant #380835 ΔE 0.062
- Deep Purple #36013F ΔE 0.063
- Grape Purple #5D1451 ΔE 0.066
Use #3F1B50 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.