#343169
Closest named color: Prussian Blue (#1D3557). oklch(34.8% 0.095 282.7), rgb(52, 49, 105).
Aa
White text reads best on this color (11.73:1).
About this color
#343169 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.095 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.049 away. White text reads best on it, at 11.73:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.78:1 |
| White text | 11.73:1 |
Values
| HEX | #343169 |
| RGB | rgb(52, 49, 105) |
| HSL | hsl(243, 36%, 30%) |
| OKLCH | oklch(34.8% 0.095 282.7) |
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 #343169 | 11.73:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #343169 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #343169 text on white | 11.73:1 | AAA | Lc 96.8 | Preferred for body text |
| #343169 text on black | 1.78:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F8
oklch(93.5% 0.022 283.1)
-
Step 200
200
#D5D6F3
oklch(88.4% 0.04 284)
-
Step 300
300
#B9BBEE
oklch(80.8% 0.072 282.9)
-
Step 400
400
#9697E5
oklch(70.7% 0.113 282.5)
-
Step 500
500
#7E7BDE
oklch(63% 0.146 282.7)
-
Step 600
600
#6962CC
oklch(55.6% 0.159 282.9)
-
Step 700
700
#5751B0
oklch(49.1% 0.146 282.4)
-
Step 800
800
#47438F
oklch(42.8% 0.122 282.3)
-
Step 900
900 (this color)
#343169
oklch(34.8% 0.095 282.7)
-
Step 950
950
#232243
oklch(27.1% 0.06 283)
#343169 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) | #173A6B | 0.042 |
| Deuteranopia (no green cones) | #143668 | 0.041 |
| Tritanopia (no blue cones) | #213D48 | 0.081 |
| Achromatopsia (no color) | #383838 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343169
#343169
oklch(34.8% 0.095 282.7)
- #413B00
#413B00
oklch(34.8% 0.073 103.1)
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 #343169, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.049
- Marine Blue #01386A ΔE 0.052
- Marine #042E60 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.074
Use #343169 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.