#342B5B
Closest named color: Prussian Blue (#1D3557). oklch(32.5% 0.083 289.6), rgb(52, 43, 91).
Aa
White text reads best on this color (12.78:1).
About this color
#342B5B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.083 and its hue 290°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.044 away. White text reads best on it, at 12.78:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #342B5B |
| RGB | rgb(52, 43, 91) |
| HSL | hsl(251, 36%, 26%) |
| OKLCH | oklch(32.5% 0.083 289.6) |
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 #342B5B | 12.78:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #342B5B | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #342B5B text on white | 12.78:1 | AAA | Lc 98.8 | Preferred for body text |
| #342B5B text on black | 1.64:1 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6EF
oklch(88.5% 0.034 289.4)
-
Step 300
300
#BFBBE7
oklch(81% 0.062 289.1)
-
Step 400
400
#9F96DB
oklch(70.7% 0.1 289.6)
-
Step 500
500
#897BD1
oklch(63.2% 0.127 289.7)
-
Step 600
600
#7362BE
oklch(55.6% 0.139 289.6)
-
Step 700
700
#6151A4
oklch(49.2% 0.129 289.7)
-
Step 800
800
#4F4385
oklch(42.8% 0.106 289.5)
-
Step 900
900 (this color)
#342B5B
oklch(32.5% 0.083 289.6)
-
Step 950
950
#26223E
oklch(27.1% 0.051 289.1)
#342B5B 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) | #18335D | 0.043 |
| Deuteranopia (no green cones) | #19315A | 0.042 |
| Tritanopia (no blue cones) | #29353E | 0.070 |
| Achromatopsia (no color) | #323232 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342B5B
#342B5B
oklch(32.5% 0.083 289.6)
- #373700
#373700
oklch(32.6% 0.071 109.8)
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 #342B5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.044
- Space Cadet #2B2D42 ΔE 0.050
- Marine #042E60 ΔE 0.058
- Gunmetal #293241 ΔE 0.059
- Marine Blue #01386A ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.066
- Oxford Blue #1B263B ΔE 0.074
- Onyx #343A40 ΔE 0.076
Use #342B5B 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.