#3F2760
Closest named color: Prussian Blue (#1D3557). oklch(33.3% 0.098 300.6), rgb(63, 39, 96).
Aa
White text reads best on this color (12.57:1).
About this color
#3F2760 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.098 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.068 away. White text reads best on it, at 12.57:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.67:1 |
| White text | 12.57:1 |
Values
| HEX | #3F2760 |
| RGB | rgb(63, 39, 96) |
| HSL | hsl(265, 42%, 26%) |
| OKLCH | oklch(33.3% 0.098 300.6) |
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 #3F2760 | 12.57:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #3F2760 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #3F2760 text on white | 12.57:1 | AAA | Lc 98.3 | Preferred for body text |
| #3F2760 text on black | 1.67:1 | 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
#DDD3F1
oklch(88.4% 0.042 300.7)
-
Step 300
300
#C8B6EA
oklch(80.9% 0.075 300.6)
-
Step 400
400
#AD8FDF
oklch(70.8% 0.118 300.7)
-
Step 500
500
#9971D6
oklch(63.1% 0.151 300.4)
-
Step 600
600
#8457C3
oklch(55.6% 0.164 300.4)
-
Step 700
700
#7046A8
oklch(49% 0.152 300.7)
-
Step 800
800
#5B3A88
oklch(42.6% 0.126 300.7)
-
Step 900
900 (this color)
#3F2760
oklch(33.3% 0.098 300.6)
-
Step 950
950
#2C1E40
oklch(27% 0.063 301.3)
#3F2760 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) | #0F3362 | 0.072 |
| Deuteranopia (no green cones) | #18335F | 0.066 |
| Tritanopia (no blue cones) | #38323F | 0.075 |
| Achromatopsia (no color) | #333333 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2760
#3F2760
oklch(33.3% 0.098 300.6)
- #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 #3F2760, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.068
- Royal Purple #4B006E ΔE 0.068
- Plum Purple #4E0550 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.070
- Grape Purple #5D1451 ΔE 0.073
- Deep Violet #490648 ΔE 0.074
- Marine #042E60 ΔE 0.079
- Gunmetal #293241 ΔE 0.080
Use #3F2760 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.