#3A2B6F
Closest named color: Prussian Blue (#1D3557). oklch(34.6% 0.113 289.3), rgb(58, 43, 111).
Aa
White text reads best on this color (11.96:1).
About this color
#3A2B6F is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.113 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.068 away. White text reads best on it, at 11.96:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.75:1 |
| White text | 11.96:1 |
Values
| HEX | #3A2B6F |
| RGB | rgb(58, 43, 111) |
| HSL | hsl(253, 44%, 30%) |
| OKLCH | oklch(34.6% 0.113 289.3) |
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 #3A2B6F | 11.96:1 | AAA | Lc -100.7 | Preferred for body text |
| Black text on #3A2B6F | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #3A2B6F text on white | 11.96:1 | AAA | Lc 97.1 | Preferred for body text |
| #3A2B6F text on black | 1.75:1 | 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
#E9E8FA
oklch(93.7% 0.024 288.5)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BFB8F4
oklch(80.9% 0.084 289.7)
-
Step 400
400
#9F91EF
oklch(70.7% 0.135 289.3)
-
Step 500
500
#8972E9
oklch(63% 0.173 289.4)
-
Step 600
600
#7557D8
oklch(55.6% 0.189 289.5)
-
Step 700
700
#6246BB
oklch(49% 0.175 289.3)
-
Step 800
800
#503B97
oklch(42.7% 0.144 289.4)
-
Step 900
900 (this color)
#3A2B6F
oklch(34.6% 0.113 289.3)
-
Step 950
950
#261F47
oklch(27% 0.072 288.7)
#3A2B6F 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) | #003871 | 0.067 |
| Deuteranopia (no green cones) | #00356E | 0.067 |
| Tritanopia (no blue cones) | #2A3A48 | 0.092 |
| Achromatopsia (no color) | #373737 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2B6F
#3A2B6F
oklch(34.6% 0.113 289.3)
- #3D3C00
#3D3C00
oklch(34.6% 0.075 108.7)
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 #3A2B6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.068
- Marine Blue #01386A ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.070
- Marine #042E60 ΔE 0.073
- Royal Purple #4B006E ΔE 0.073
- Indigo #4B0082 ΔE 0.074
- Midnight Blue #191970 ΔE 0.075
- Twilight Blue #0A437A ΔE 0.078
Use #3A2B6F 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.