#3A2D6D
Closest named color: Prussian Blue (#1D3557). oklch(34.8% 0.107 289), rgb(58, 45, 109).
Aa
White text reads best on this color (11.82:1).
About this color
#3A2D6D is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.107 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.064 away. White text reads best on it, at 11.82:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.77:1 |
| White text | 11.82:1 |
Values
| HEX | #3A2D6D |
| RGB | rgb(58, 45, 109) |
| HSL | hsl(252, 42%, 30%) |
| OKLCH | oklch(34.8% 0.107 289) |
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 #3A2D6D | 11.82:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #3A2D6D | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #3A2D6D text on white | 11.82:1 | AAA | Lc 96.9 | Preferred for body text |
| #3A2D6D text on black | 1.77:1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F9
oklch(93.7% 0.023 288.7)
-
Step 200
200
#D7D5F5
oklch(88.5% 0.044 288.3)
-
Step 300
300
#BEB9F2
oklch(80.9% 0.08 288.5)
-
Step 400
400
#9E92EB
oklch(70.6% 0.128 288.9)
-
Step 500
500
#8874E5
oklch(63% 0.165 288.9)
-
Step 600
600
#745AD3
oklch(55.6% 0.178 289.2)
-
Step 700
700
#6149B6
oklch(49% 0.165 289)
-
Step 800
800
#4F3D94
oklch(42.8% 0.137 288.8)
-
Step 900
900 (this color)
#3A2D6D
oklch(34.8% 0.107 289)
-
Step 950
950
#262045
oklch(27.1% 0.067 288.6)
#3A2D6D 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) | #09396F | 0.062 |
| Deuteranopia (no green cones) | #0B366C | 0.060 |
| Tritanopia (no blue cones) | #2B3B48 | 0.088 |
| Achromatopsia (no color) | #373737 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2D6D
#3A2D6D
oklch(34.8% 0.107 289)
- #3D3D00
#3D3D00
oklch(34.8% 0.076 109.8)
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 #3A2D6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.064
- Marine Blue #01386A ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.069
- Marine #042E60 ΔE 0.072
- Twilight Blue #0A437A ΔE 0.074
- Royal Purple #4B006E ΔE 0.078
- Midnight Blue #191970 ΔE 0.079
- Indigo #4B0082 ΔE 0.079
Use #3A2D6D 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.