#343154
Closest named color: Prussian Blue (#1D3557). oklch(33.3% 0.061 286.5), rgb(52, 49, 84).
Aa
White text reads best on this color (12.25:1).
About this color
#343154 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.034 away. White text reads best on it, at 12.25:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.71:1 |
| White text | 12.25:1 |
Values
| HEX | #343154 |
| RGB | rgb(52, 49, 84) |
| HSL | hsl(245, 26%, 26%) |
| OKLCH | oklch(33.3% 0.061 286.5) |
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 #343154 | 12.25:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #343154 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #343154 text on white | 12.25:1 | AAA | Lc 97.9 | Preferred for body text |
| #343154 text on black | 1.71:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EA
oklch(88.5% 0.026 285.9)
-
Step 300
300
#BEBDDD
oklch(81% 0.045 286.8)
-
Step 400
400
#9D9ACD
oklch(70.7% 0.074 287)
-
Step 500
500
#8581BF
oklch(63.1% 0.092 286.4)
-
Step 600
600
#6F69AC
oklch(55.5% 0.103 286.7)
-
Step 700
700
#5D5893
oklch(49.2% 0.093 286.3)
-
Step 800
800
#4C4878
oklch(42.8% 0.078 286.4)
-
Step 900
900 (this color)
#343154
oklch(33.3% 0.061 286.5)
-
Step 950
950
#252438
oklch(27.1% 0.037 286)
#343154 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) | #263655 | 0.025 |
| Deuteranopia (no green cones) | #253453 | 0.024 |
| Tritanopia (no blue cones) | #2C383E | 0.053 |
| Achromatopsia (no color) | #353535 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #343154
#343154
oklch(33.3% 0.061 286.5)
- #3A380D
#3A380D
oklch(33.3% 0.061 106.7)
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 #343154, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.037
- Gunmetal #293241 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.046
- Onyx #343A40 ΔE 0.052
- Midnight Green #073B4C ΔE 0.061
- Marine Blue #01386A ΔE 0.062
- Marine #042E60 ΔE 0.062
Use #343154 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.