#3D1B6A
Closest named color: Royal Purple (#4B006E). oklch(31.9% 0.129 298.4), rgb(61, 27, 106).
Aa
White text reads best on this color (13.43:1).
About this color
#3D1B6A is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.129 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 0.043 away. White text reads best on it, at 13.43:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.56:1 |
| White text | 13.43:1 |
Values
| HEX | #3D1B6A |
| RGB | rgb(61, 27, 106) |
| HSL | hsl(266, 59%, 26%) |
| OKLCH | oklch(31.9% 0.129 298.4) |
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 #3D1B6A | 13.43:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #3D1B6A | 1.56:1 | Fails | Lc 0.0 | Not readable |
| #3D1B6A text on white | 13.43:1 | AAA | Lc 99.3 | Preferred for body text |
| #3D1B6A text on black | 1.56:1 | 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 950.
-
Step 50
50
#F6F3FF
oklch(97% 0.016 297.5)
-
Step 100
100
#ECE5FF
oklch(93.5% 0.036 298)
-
Step 200
200
#DED1FF
oklch(88.6% 0.064 298)
-
Step 300
300
#CAB1FF
oklch(81% 0.111 298.6)
-
Step 400
400
#B083FF
oklch(70.6% 0.179 298.5)
-
Step 500
500
#9F5CFF
oklch(63.2% 0.231 298.4)
-
Step 600
600
#901BFF
oklch(55.7% 0.287 298.5)
-
Step 700
700
#7A00DD
oklch(49% 0.264 298.4)
-
Step 800
800
#6400B8
oklch(42.7% 0.23 298.1)
-
Step 900
900
#54009B
oklch(37.7% 0.203 298.5)
-
Step 950
950 (this color)
#3D1B6A
oklch(31.9% 0.129 298.4)
#3D1B6A 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) | #002F6C | 0.086 |
| Deuteranopia (no green cones) | #002E68 | 0.087 |
| Tritanopia (no blue cones) | #322E40 | 0.098 |
| Achromatopsia (no color) | #2F2F2F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1B6A
#3D1B6A
oklch(31.9% 0.129 298.4)
- #2F3700
#2F3700
oklch(31.8% 0.074 118.3)
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 #3D1B6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.043
- Indigo #4B0082 ΔE 0.054
- Plum Purple #4E0550 ΔE 0.067
- Midnight Blue #191970 ΔE 0.070
- Deep Violet #490648 ΔE 0.074
- Eggplant Purple #430541 ΔE 0.083
- Grape Purple #5D1451 ΔE 0.085
- Dark Indigo #1F0954 ΔE 0.085
Use #3D1B6A 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.