#3F2266
Closest named color: Royal Purple (#4B006E). oklch(32.9% 0.115 299.7), rgb(63, 34, 102).
Aa
White text reads best on this color (12.86:1).
About this color
#3F2266 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.115 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 0.054 away. White text reads best on it, at 12.86:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.63:1 |
| White text | 12.86:1 |
Values
| HEX | #3F2266 |
| RGB | rgb(63, 34, 102) |
| HSL | hsl(266, 50%, 27%) |
| OKLCH | oklch(32.9% 0.115 299.7) |
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 #3F2266 | 12.86:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #3F2266 | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #3F2266 text on white | 12.86:1 | AAA | Lc 98.6 | Preferred for body text |
| #3F2266 text on black | 1.63:1 | 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
#ECE6F9
oklch(93.5% 0.026 300.3)
-
Step 200
200
#DDD3F5
oklch(88.5% 0.047 298.9)
-
Step 300
300
#C9B5F1
oklch(81% 0.086 299.8)
-
Step 400
400
#AE8BE9
oklch(70.6% 0.138 300.1)
-
Step 500
500
#9B6BE3
oklch(63.1% 0.177 299.8)
-
Step 600
600
#864FD0
oklch(55.5% 0.191 299.8)
-
Step 700
700
#723FB4
oklch(49.1% 0.177 299.9)
-
Step 800
800
#5D3592
oklch(42.7% 0.147 300)
-
Step 900
900 (this color)
#3F2266
oklch(32.9% 0.115 299.7)
-
Step 950
950
#2C1C44
oklch(26.9% 0.073 300)
#3F2266 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) | #003268 | 0.084 |
| Deuteranopia (no green cones) | #063165 | 0.081 |
| Tritanopia (no blue cones) | #363140 | 0.088 |
| Achromatopsia (no color) | #323232 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2266
#3F2266
oklch(32.9% 0.115 299.7)
- #303A00
#303A00
oklch(32.8% 0.078 119.9)
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 #3F2266, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.054
- Indigo #4B0082 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.067
- Deep Violet #490648 ΔE 0.073
- Grape Purple #5D1451 ΔE 0.076
- Midnight Blue #191970 ΔE 0.078
- Prussian Blue #1D3557 ΔE 0.079
- Eggplant Purple #430541 ΔE 0.083
Use #3F2266 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.