#343161
Closest named color: Prussian Blue (#1D3557). oklch(34.2% 0.082 284), rgb(52, 49, 97).
Aa
White text reads best on this color (11.94:1).
About this color
#343161 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.082 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.040 away. White text reads best on it, at 11.94:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.75:1 |
| White text | 11.94:1 |
Values
| HEX | #343161 |
| RGB | rgb(52, 49, 97) |
| HSL | hsl(244, 33%, 29%) |
| OKLCH | oklch(34.2% 0.082 284) |
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 #343161 | 11.94:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #343161 | 1.75:1 | Fails | Lc 0.0 | Not readable |
| #343161 text on white | 11.94:1 | AAA | Lc 97.2 | Preferred for body text |
| #343161 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7F0
oklch(88.6% 0.034 283.9)
-
Step 300
300
#BBBCE8
oklch(80.9% 0.062 283.9)
-
Step 400
400
#9998DC
oklch(70.7% 0.099 284.3)
-
Step 500
500
#817DD3
oklch(63% 0.127 284.2)
-
Step 600
600
#6B65C0
oklch(55.6% 0.138 284)
-
Step 700
700
#5A54A5
oklch(49.2% 0.126 284.1)
-
Step 800
800
#494586
oklch(42.7% 0.105 283.8)
-
Step 900
900 (this color)
#343161
oklch(34.2% 0.082 284)
-
Step 950
950
#23223F
oklch(26.9% 0.053 283.8)
#343161 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) | #1E3863 | 0.034 |
| Deuteranopia (no green cones) | #1C3560 | 0.035 |
| Tritanopia (no blue cones) | #263B44 | 0.071 |
| Achromatopsia (no color) | #373737 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343161
#343161
oklch(34.2% 0.082 284)
- #3F3A00
#3F3A00
oklch(34.3% 0.072 104.2)
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 #343161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.040
- Marine Blue #01386A ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.058
- Marine #042E60 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.060
- Gunmetal #293241 ΔE 0.062
- Dark Grey Blue #29465B ΔE 0.069
- Twilight Blue #0A437A ΔE 0.069
Use #343161 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.