#3F216C
Closest named color: Royal Purple (#4B006E). oklch(33.2% 0.124 297.6), rgb(63, 33, 108).
Aa
White text reads best on this color (12.76:1).
About this color
#3F216C 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 0.050 away. White text reads best on it, at 12.76:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.64:1 |
| White text | 12.76:1 |
Values
| HEX | #3F216C |
| RGB | rgb(63, 33, 108) |
| HSL | hsl(264, 53%, 28%) |
| OKLCH | oklch(33.2% 0.124 297.6) |
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 #3F216C | 12.76:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #3F216C | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #3F216C text on white | 12.76:1 | AAA | Lc 98.4 | Preferred for body text |
| #3F216C text on black | 1.64:1 | 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
#EBE6FA
oklch(93.5% 0.027 297.3)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C7B4F6
oklch(80.9% 0.094 297.5)
-
Step 400
400
#AC8AF1
oklch(70.7% 0.149 297.7)
-
Step 500
500
#9969EC
oklch(63.2% 0.19 297.6)
-
Step 600
600
#844CDA
oklch(55.6% 0.206 297.3)
-
Step 700
700
#703BBD
oklch(49% 0.193 297.5)
-
Step 800
800
#5B3299
oklch(42.6% 0.16 297.4)
-
Step 900
900 (this color)
#3F216C
oklch(33.2% 0.124 297.6)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#3F216C 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) | #00336E | 0.084 |
| Deuteranopia (no green cones) | #00316A | 0.084 |
| Tritanopia (no blue cones) | #343243 | 0.095 |
| Achromatopsia (no color) | #323232 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F216C
#3F216C
oklch(33.2% 0.124 297.6)
- #333B00
#333B00
oklch(33.3% 0.077 117.9)
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 #3F216C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.050
- Indigo #4B0082 ΔE 0.057
- Plum Purple #4E0550 ΔE 0.072
- Midnight Blue #191970 ΔE 0.075
- Deep Violet #490648 ΔE 0.080
- Grape Purple #5D1451 ΔE 0.082
- Prussian Blue #1D3557 ΔE 0.085
- Dark Slate Blue #483D8B ΔE 0.086
Use #3F216C 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.