#3F2150
Closest named color: Deep Violet (#490648). oklch(31.1% 0.087 311.8), rgb(63, 33, 80).
Aa
White text reads best on this color (13.59:1).
About this color
#3F2150 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.087 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.052 away. White text reads best on it, at 13.59:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.54:1 |
| White text | 13.59:1 |
Values
| HEX | #3F2150 |
| RGB | rgb(63, 33, 80) |
| HSL | hsl(278, 42%, 22%) |
| OKLCH | oklch(31.1% 0.087 311.8) |
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 #3F2150 | 13.59:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #3F2150 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #3F2150 text on white | 13.59:1 | AAA | Lc 99.9 | Preferred for body text |
| #3F2150 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F9
oklch(93.7% 0.03 312.1)
-
Step 200
200
#E6CFF5
oklch(88.5% 0.057 312.1)
-
Step 300
300
#D7ADF1
oklch(80.8% 0.104 312.1)
-
Step 400
400
#C37FEA
oklch(70.8% 0.165 312.1)
-
Step 500
500
#B358E4
oklch(63.1% 0.212 311.8)
-
Step 600
600
#9F36D2
oklch(55.7% 0.23 311.9)
-
Step 700
700
#8826B5
oklch(49.1% 0.213 312.1)
-
Step 800
800
#6E2393
oklch(42.7% 0.177 311.7)
-
Step 900
900
#592475
oklch(37.7% 0.137 311.7)
-
Step 950
950 (this color)
#3F2150
oklch(31.1% 0.087 311.8)
#3F2150 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) | #142C52 | 0.074 |
| Deuteranopia (no green cones) | #1E2F4F | 0.067 |
| Tritanopia (no blue cones) | #3D2935 | 0.060 |
| Achromatopsia (no color) | #2E2E2E | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2150
#3F2150
oklch(31.1% 0.087 311.8)
- #1F3900
#1F3900
oklch(31.1% 0.087 132.1)
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 #3F2150, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.052
- Plum Purple #4E0550 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Grape Purple #5D1451 ΔE 0.066
- Dark Purple #35063E ΔE 0.070
- Aubergine #3D0734 ΔE 0.070
- Eggplant #380835 ΔE 0.072
Use #3F2150 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.