#3A2C68
Closest named color: Prussian Blue (#1D3557). oklch(34.3% 0.101 290.8), rgb(58, 44, 104).
Aa
White text reads best on this color (12.06:1).
About this color
#3A2C68 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.101 and its hue 291°. 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 12.06:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.74:1 |
| White text | 12.06:1 |
Values
| HEX | #3A2C68 |
| RGB | rgb(58, 44, 104) |
| HSL | hsl(254, 41%, 29%) |
| OKLCH | oklch(34.3% 0.101 290.8) |
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 #3A2C68 | 12.06:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #3A2C68 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #3A2C68 text on white | 12.06:1 | AAA | Lc 97.4 | Preferred for body text |
| #3A2C68 text on black | 1.74:1 | 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
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D8D5F4
oklch(88.5% 0.042 289.9)
-
Step 300
300
#C0B9EF
oklch(81% 0.076 290.5)
-
Step 400
400
#A192E6
oklch(70.6% 0.121 291.2)
-
Step 500
500
#8B75DF
oklch(63.1% 0.155 290.8)
-
Step 600
600
#765BCC
oklch(55.5% 0.168 290.9)
-
Step 700
700
#644AB1
oklch(49.1% 0.157 291.1)
-
Step 800
800
#513E8F
oklch(42.8% 0.129 290.7)
-
Step 900
900 (this color)
#3A2C68
oklch(34.3% 0.101 290.8)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#3A2C68 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) | #0F376A | 0.059 |
| Deuteranopia (no green cones) | #113567 | 0.057 |
| Tritanopia (no blue cones) | #2D3945 | 0.083 |
| Achromatopsia (no color) | #363636 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A2C68
#3A2C68
oklch(34.3% 0.101 290.8)
- #3B3C00
#3B3C00
oklch(34.4% 0.075 110.8)
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 #3A2C68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.060
- Marine Blue #01386A ΔE 0.067
- Marine #042E60 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.076
- Royal Purple #4B006E ΔE 0.077
- Twilight Blue #0A437A ΔE 0.079
- Midnight Blue #191970 ΔE 0.079
Use #3A2C68 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.