#3B296E
Closest named color: Royal Purple (#4B006E). oklch(34.3% 0.114 291.2), rgb(59, 41, 110).
Aa
White text reads best on this color (12.15:1).
About this color
#3B296E is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.114 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.069 away. White text reads best on it, at 12.15:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #3B296E |
| RGB | rgb(59, 41, 110) |
| HSL | hsl(256, 46%, 30%) |
| OKLCH | oklch(34.3% 0.114 291.2) |
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 #3B296E | 12.15:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #3B296E | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #3B296E text on white | 12.15:1 | AAA | Lc 97.4 | Preferred for body text |
| #3B296E text on black | 1.72:1 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E7FA
oklch(93.5% 0.026 290.7)
-
Step 200
200
#D9D4F7
oklch(88.5% 0.048 291.9)
-
Step 300
300
#C0B7F4
oklch(80.8% 0.086 291.1)
-
Step 400
400
#A290EF
oklch(70.8% 0.137 291.2)
-
Step 500
500
#8D71E9
oklch(63.2% 0.174 291.3)
-
Step 600
600
#7855D8
oklch(55.6% 0.192 291.2)
-
Step 700
700
#6545BB
oklch(49.1% 0.177 290.9)
-
Step 800
800
#523997
oklch(42.6% 0.147 291.1)
-
Step 900
900 (this color)
#3B296E
oklch(34.3% 0.114 291.2)
-
Step 950
950
#271E47
oklch(26.9% 0.074 290.7)
#3B296E 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) | #003770 | 0.071 |
| Deuteranopia (no green cones) | #00346D | 0.070 |
| Tritanopia (no blue cones) | #2C3847 | 0.092 |
| Achromatopsia (no color) | #363636 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B296E
#3B296E
oklch(34.3% 0.114 291.2)
- #3A3C00
#3A3C00
oklch(34.3% 0.076 111.9)
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 #3B296E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.069
- Indigo #4B0082 ΔE 0.070
- Prussian Blue #1D3557 ΔE 0.071
- Marine Blue #01386A ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.073
- Midnight Blue #191970 ΔE 0.074
- Marine #042E60 ΔE 0.075
- Twilight Blue #0A437A ΔE 0.083
Use #3B296E 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.