#342E64
Closest named color: Prussian Blue (#1D3557). oklch(33.8% 0.092 285.4), rgb(52, 46, 100).
Aa
White text reads best on this color (12.20:1).
About this color
#342E64 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.092 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.046 away. White text reads best on it, at 12.20:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.72:1 |
| White text | 12.20:1 |
Values
| HEX | #342E64 |
| RGB | rgb(52, 46, 100) |
| HSL | hsl(247, 37%, 29%) |
| OKLCH | oklch(33.8% 0.092 285.4) |
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 #342E64 | 12.20:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #342E64 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #342E64 text on white | 12.20:1 | AAA | Lc 97.7 | Preferred for body text |
| #342E64 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F2
oklch(88.5% 0.038 285.6)
-
Step 300
300
#BCBBEC
oklch(80.9% 0.069 285.7)
-
Step 400
400
#9A96E2
oklch(70.6% 0.11 285.6)
-
Step 500
500
#837BDA
oklch(63.2% 0.14 285.5)
-
Step 600
600
#6D62C8
oklch(55.7% 0.153 285.2)
-
Step 700
700
#5B50AD
oklch(49.1% 0.143 285.2)
-
Step 800
800
#4B428C
oklch(42.7% 0.118 285.8)
-
Step 900
900 (this color)
#342E64
oklch(33.8% 0.092 285.4)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#342E64 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) | #163766 | 0.044 |
| Deuteranopia (no green cones) | #143463 | 0.044 |
| Tritanopia (no blue cones) | #253944 | 0.077 |
| Achromatopsia (no color) | #353535 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342E64
#342E64
oklch(33.8% 0.092 285.4)
- #3D3900
#3D3900
oklch(33.8% 0.072 105.2)
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 #342E64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.046
- Marine Blue #01386A ΔE 0.056
- Marine #042E60 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.069
- Gunmetal #293241 ΔE 0.070
- Twilight Blue #0A437A ΔE 0.073
- Midnight Blue #191970 ΔE 0.076
Use #342E64 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.