#342B6B
Closest named color: Prussian Blue (#1D3557). oklch(33.7% 0.107 285.5), rgb(52, 43, 107).
Aa
White text reads best on this color (12.32:1).
About this color
#342B6B is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.107 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.058 away. White text reads best on it, at 12.32:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.70:1 |
| White text | 12.32:1 |
Values
| HEX | #342B6B |
| RGB | rgb(52, 43, 107) |
| HSL | hsl(248, 43%, 29%) |
| OKLCH | oklch(33.7% 0.107 285.5) |
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 #342B6B | 12.32:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #342B6B | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #342B6B text on white | 12.32:1 | AAA | Lc 97.8 | Preferred for body text |
| #342B6B text on black | 1.70:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E8E8F9
oklch(93.6% 0.023 286)
-
Step 200
200
#D6D6F6
oklch(88.6% 0.044 285.5)
-
Step 300
300
#BBBAF3
oklch(81% 0.08 285.3)
-
Step 400
400
#9994ED
oklch(70.7% 0.128 285.2)
-
Step 500
500
#8276E7
oklch(63% 0.165 285.5)
-
Step 600
600
#6D5CD5
oklch(55.5% 0.179 285.4)
-
Step 700
700
#5C4BB9
oklch(49.1% 0.166 285.6)
-
Step 800
800
#4B3E96
oklch(42.7% 0.139 285.7)
-
Step 900
900 (this color)
#342B6B
oklch(33.7% 0.107 285.5)
-
Step 950
950
#242046
oklch(27% 0.069 285.6)
#342B6B 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) | #02366D | 0.057 |
| Deuteranopia (no green cones) | #00336A | 0.057 |
| Tritanopia (no blue cones) | #213946 | 0.090 |
| Achromatopsia (no color) | #353535 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342B6B
#342B6B
oklch(33.7% 0.107 285.5)
- #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 #342B6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.058
- Marine Blue #01386A ΔE 0.060
- Marine #042E60 ΔE 0.061
- Midnight Blue #191970 ΔE 0.067
- Twilight Blue #0A437A ΔE 0.075
- Space Cadet #2B2D42 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.079
- Royal Purple #4B006E ΔE 0.079
Use #342B6B 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.