#3B2666
Closest named color: Royal Purple (#4B006E). oklch(33.1% 0.108 295), rgb(59, 38, 102).
Aa
White text reads best on this color (12.68:1).
About this color
#3B2666 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.108 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.065 away. White text reads best on it, at 12.68:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #3B2666 |
| RGB | rgb(59, 38, 102) |
| HSL | hsl(260, 46%, 27%) |
| OKLCH | oklch(33.1% 0.108 295) |
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 #3B2666 | 12.68:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #3B2666 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3B2666 text on white | 12.68:1 | AAA | Lc 98.4 | Preferred for body text |
| #3B2666 text on black | 1.65:1 | 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
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#DBD4F4
oklch(88.5% 0.044 295.5)
-
Step 300
300
#C4B7F0
oklch(81% 0.081 295)
-
Step 400
400
#A78FE8
oklch(70.7% 0.129 295.3)
-
Step 500
500
#9271E1
oklch(63.1% 0.164 294.8)
-
Step 600
600
#7E56CF
oklch(55.7% 0.179 295.2)
-
Step 700
700
#6A45B3
oklch(49% 0.167 295)
-
Step 800
800
#563A91
oklch(42.7% 0.138 294.7)
-
Step 900
900 (this color)
#3B2666
oklch(33.1% 0.108 295)
-
Step 950
950
#291E44
oklch(26.9% 0.069 294.7)
#3B2666 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) | #003368 | 0.074 |
| Deuteranopia (no green cones) | #083265 | 0.070 |
| Tritanopia (no blue cones) | #303442 | 0.085 |
| Achromatopsia (no color) | #333333 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B2666
#3B2666
oklch(33.1% 0.108 295)
- #353A00
#353A00
oklch(33.2% 0.075 115)
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 #3B2666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.068
- Marine #042E60 ΔE 0.073
- Midnight Blue #191970 ΔE 0.074
- Indigo #4B0082 ΔE 0.074
- Plum Purple #4E0550 ΔE 0.076
- Space Cadet #2B2D42 ΔE 0.076
- Marine Blue #01386A ΔE 0.077
Use #3B2666 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.