#3A2861
Closest named color: Prussian Blue (#1D3557). oklch(33% 0.097 295.1), rgb(58, 40, 97).
Aa
White text reads best on this color (12.68:1).
About this color
#3A2861 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.060 away. White text reads best on it, at 12.68:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.68:1 |
Values
| HEX | #3A2861 |
| RGB | rgb(58, 40, 97) |
| HSL | hsl(259, 42%, 27%) |
| OKLCH | oklch(33% 0.097 295.1) |
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 #3A2861 | 12.68:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #3A2861 | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #3A2861 text on white | 12.68:1 | AAA | Lc 98.5 | Preferred for body text |
| #3A2861 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F2
oklch(88.4% 0.041 294.7)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A691E2
oklch(70.7% 0.118 295.1)
-
Step 500
500
#9174D9
oklch(63.1% 0.149 295)
-
Step 600
600
#7C5AC6
oklch(55.5% 0.162 295.1)
-
Step 700
700
#6949AB
oklch(49% 0.151 295.3)
-
Step 800
800
#553D8B
oklch(42.7% 0.125 294.7)
-
Step 900
900 (this color)
#3A2861
oklch(33% 0.097 295.1)
-
Step 950
950
#291F41
oklch(26.9% 0.062 295.5)
#3A2861 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) | #0E3363 | 0.063 |
| Deuteranopia (no green cones) | #133260 | 0.060 |
| Tritanopia (no blue cones) | #303440 | 0.078 |
| Achromatopsia (no color) | #333333 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2861
#3A2861
oklch(33% 0.097 295.1)
- #343900
#343900
oklch(32.8% 0.075 115.1)
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 #3A2861, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.060
- Space Cadet #2B2D42 ΔE 0.066
- Marine #042E60 ΔE 0.069
- Royal Purple #4B006E ΔE 0.073
- Marine Blue #01386A ΔE 0.073
- Gunmetal #293241 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.077
- Midnight Blue #191970 ΔE 0.077
Use #3A2861 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.