#3F2564
Closest named color: Royal Purple (#4B006E). oklch(33.2% 0.107 299.6), rgb(63, 37, 100).
Aa
White text reads best on this color (12.65:1).
About this color
#3F2564 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.107 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.061 away. White text reads best on it, at 12.65:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.65:1 |
| White text | 12.65:1 |
Values
| HEX | #3F2564 |
| RGB | rgb(63, 37, 100) |
| HSL | hsl(265, 46%, 27%) |
| OKLCH | oklch(33.2% 0.107 299.6) |
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 #3F2564 | 12.65:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #3F2564 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3F2564 text on white | 12.65:1 | AAA | Lc 98.4 | Preferred for body text |
| #3F2564 text on black | 1.65:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#ECE7F8
oklch(93.7% 0.023 299.4)
-
Step 200
200
#DDD3F3
oklch(88.5% 0.045 299.7)
-
Step 300
300
#C8B5EE
oklch(80.8% 0.082 299.8)
-
Step 400
400
#AD8DE5
oklch(70.7% 0.129 299.9)
-
Step 500
500
#996EDD
oklch(63% 0.165 299.6)
-
Step 600
600
#8453CB
oklch(55.5% 0.179 299.3)
-
Step 700
700
#7043AF
oklch(49.1% 0.166 299.4)
-
Step 800
800
#5B388E
oklch(42.7% 0.137 299.3)
-
Step 900
900 (this color)
#3F2564
oklch(33.2% 0.107 299.6)
-
Step 950
950
#2C1D42
oklch(26.9% 0.068 300.6)
#3F2564 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) | #033366 | 0.080 |
| Deuteranopia (no green cones) | #103263 | 0.073 |
| Tritanopia (no blue cones) | #373240 | 0.082 |
| Achromatopsia (no color) | #333333 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2564
#3F2564
oklch(33.2% 0.107 299.6)
- #313B00
#313B00
oklch(33.1% 0.078 119.8)
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 #3F2564, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.061
- Plum Purple #4E0550 ΔE 0.069
- Indigo #4B0082 ΔE 0.073
- Prussian Blue #1D3557 ΔE 0.073
- Deep Violet #490648 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.078
- Marine #042E60 ΔE 0.081
Use #3F2564 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.