#3F206B
Closest named color: Royal Purple (#4B006E). oklch(33% 0.124 298.3), rgb(63, 32, 107).
Aa
White text reads best on this color (12.88:1).
About this color
#3F206B is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.124 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.048 away. White text reads best on it, at 12.88:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.63:1 |
| White text | 12.88:1 |
Values
| HEX | #3F206B |
| RGB | rgb(63, 32, 107) |
| HSL | hsl(265, 54%, 27%) |
| OKLCH | oklch(33% 0.124 298.3) |
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 #3F206B | 12.88:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #3F206B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #3F206B text on white | 12.88:1 | AAA | Lc 98.6 | Preferred for body text |
| #3F206B 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#ECE6FA
oklch(93.6% 0.027 299.5)
-
Step 200
200
#DDD2F8
oklch(88.5% 0.053 298.5)
-
Step 300
300
#C8B4F5
oklch(80.9% 0.093 298.4)
-
Step 400
400
#AD8AF0
oklch(70.7% 0.148 298.3)
-
Step 500
500
#9A68EB
oklch(63% 0.191 298.4)
-
Step 600
600
#864BD9
oklch(55.6% 0.207 298.5)
-
Step 700
700
#713BBC
oklch(49% 0.192 298.1)
-
Step 800
800
#5C3298
oklch(42.6% 0.159 298.3)
-
Step 900
900 (this color)
#3F206B
oklch(33% 0.124 298.3)
-
Step 950
950
#2C1C47
oklch(27.1% 0.078 298.2)
#3F206B 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) | #00326D | 0.085 |
| Deuteranopia (no green cones) | #003169 | 0.086 |
| Tritanopia (no blue cones) | #353142 | 0.094 |
| Achromatopsia (no color) | #323232 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F206B
#3F206B
oklch(33% 0.124 298.3)
- #323A00
#323A00
oklch(32.9% 0.077 118)
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 #3F206B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.048
- Indigo #4B0082 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.070
- Midnight Blue #191970 ΔE 0.075
- Deep Violet #490648 ΔE 0.077
- Grape Purple #5D1451 ΔE 0.081
- Prussian Blue #1D3557 ΔE 0.085
- Marine #042E60 ΔE 0.087
Use #3F206B 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.