#3D1E66
Closest named color: Royal Purple (#4B006E). oklch(32% 0.12 299.2), rgb(61, 30, 102).
Aa
White text reads best on this color (13.32:1).
About this color
#3D1E66 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.120 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.049 away. White text reads best on it, at 13.32:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.57:1 |
| White text | 13.32:1 |
Values
| HEX | #3D1E66 |
| RGB | rgb(61, 30, 102) |
| HSL | hsl(266, 55%, 26%) |
| OKLCH | oklch(32% 0.12 299.2) |
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 #3D1E66 | 13.32:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #3D1E66 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #3D1E66 text on white | 13.32:1 | AAA | Lc 99.3 | Preferred for body text |
| #3D1E66 text on black | 1.57:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EDE5FF
oklch(93.6% 0.036 299.7)
-
Step 200
200
#DFD0FF
oklch(88.5% 0.066 299.6)
-
Step 300
300
#CBB0FF
oklch(80.9% 0.113 299.6)
-
Step 400
400
#B283FF
oklch(70.8% 0.179 299.3)
-
Step 500
500
#A15AFF
oklch(63.1% 0.234 299.4)
-
Step 600
600
#9215FF
oklch(55.6% 0.289 299.3)
-
Step 700
700
#7C00DC
oklch(49.2% 0.263 299.3)
-
Step 800
800
#6600B6
oklch(42.7% 0.229 299.5)
-
Step 900
900
#530F95
oklch(37.7% 0.19 298.9)
-
Step 950
950 (this color)
#3D1E66
oklch(32% 0.12 299.2)
#3D1E66 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) | #002F68 | 0.084 |
| Deuteranopia (no green cones) | #002F64 | 0.085 |
| Tritanopia (no blue cones) | #342F3F | 0.091 |
| Achromatopsia (no color) | #2F2F2F | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D1E66
#3D1E66
oklch(32% 0.12 299.2)
- #2F3800
#2F3800
oklch(32.1% 0.076 119.2)
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 #3D1E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.049
- Indigo #4B0082 ΔE 0.062
- Plum Purple #4E0550 ΔE 0.065
- Deep Violet #490648 ΔE 0.070
- Midnight Blue #191970 ΔE 0.072
- Eggplant Purple #430541 ΔE 0.079
- Grape Purple #5D1451 ΔE 0.080
- Prussian Blue #1D3557 ΔE 0.084
Use #3D1E66 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.