#3F2860
Closest named color: Prussian Blue (#1D3557). oklch(33.5% 0.097 300.2), rgb(63, 40, 96).
Aa
White text reads best on this color (12.47:1).
About this color
#3F2860 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.066 away. White text reads best on it, at 12.47:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #3F2860 |
| RGB | rgb(63, 40, 96) |
| HSL | hsl(265, 41%, 27%) |
| OKLCH | oklch(33.5% 0.097 300.2) |
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 #3F2860 | 12.47:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #3F2860 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #3F2860 text on white | 12.47:1 | AAA | Lc 98.1 | Preferred for body text |
| #3F2860 text on black | 1.68:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#ECE7F6
oklch(93.6% 0.021 301.1)
-
Step 200
200
#DDD4F0
oklch(88.6% 0.039 300.2)
-
Step 300
300
#C8B7E9
oklch(81% 0.072 300.4)
-
Step 400
400
#AC8FDE
oklch(70.6% 0.117 300.3)
-
Step 500
500
#9872D5
oklch(63.2% 0.148 299.9)
-
Step 600
600
#8358C2
oklch(55.6% 0.161 299.9)
-
Step 700
700
#6F47A7
oklch(49% 0.149 300.2)
-
Step 800
800
#5B3B88
oklch(42.8% 0.125 300.4)
-
Step 900
900 (this color)
#3F2860
oklch(33.5% 0.097 300.2)
-
Step 950
950
#2B1F40
oklch(27.1% 0.061 299.1)
#3F2860 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) | #123462 | 0.069 |
| Deuteranopia (no green cones) | #19345F | 0.064 |
| Tritanopia (no blue cones) | #38333F | 0.075 |
| Achromatopsia (no color) | #343434 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2860
#3F2860
oklch(33.5% 0.097 300.2)
- #313C00
#313C00
oklch(33.4% 0.08 120.5)
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 #3F2860, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.066
- Space Cadet #2B2D42 ΔE 0.069
- Royal Purple #4B006E ΔE 0.070
- Plum Purple #4E0550 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.074
- Deep Violet #490648 ΔE 0.076
- Gunmetal #293241 ΔE 0.078
- Marine #042E60 ΔE 0.079
Use #3F2860 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.