#343159
Closest named color: Prussian Blue (#1D3557). oklch(33.7% 0.069 285.5), rgb(52, 49, 89).
Aa
White text reads best on this color (12.14:1).
About this color
#343159 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.069 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.035 away. White text reads best on it, at 12.14:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.72:1 |
| White text | 12.14:1 |
Values
| HEX | #343159 |
| RGB | rgb(52, 49, 89) |
| HSL | hsl(245, 29%, 27%) |
| OKLCH | oklch(33.7% 0.069 285.5) |
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 #343159 | 12.14:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #343159 | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #343159 text on white | 12.14:1 | AAA | Lc 97.7 | Preferred for body text |
| #343159 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BDBCE1
oklch(80.8% 0.052 286.4)
-
Step 400
400
#9B99D3
oklch(70.6% 0.084 285.6)
-
Step 500
500
#8380C7
oklch(63.2% 0.106 284.9)
-
Step 600
600
#6E68B3
oklch(55.6% 0.114 285.7)
-
Step 700
700
#5C569A
oklch(49.1% 0.107 285.8)
-
Step 800
800
#4B477D
oklch(42.8% 0.088 285.4)
-
Step 900
900 (this color)
#343159
oklch(33.7% 0.069 285.5)
-
Step 950
950
#24233B
oklch(26.9% 0.044 284.9)
#343159 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) | #23375B | 0.029 |
| Deuteranopia (no green cones) | #223558 | 0.029 |
| Tritanopia (no blue cones) | #2A3940 | 0.060 |
| Achromatopsia (no color) | #363636 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343159
#343159
oklch(33.7% 0.069 285.5)
- #3C3903
#3C3903
oklch(33.7% 0.07 106.2)
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 #343159, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.035
- Space Cadet #2B2D42 ΔE 0.045
- Gunmetal #293241 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.051
- Marine Blue #01386A ΔE 0.058
- Marine #042E60 ΔE 0.060
- Onyx #343A40 ΔE 0.060
- Midnight Green #073B4C ΔE 0.065
Use #343159 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.