#342B5E
Closest named color: Prussian Blue (#1D3557). oklch(32.7% 0.087 288.7), rgb(52, 43, 94).
Aa
White text reads best on this color (12.70:1).
About this color
#342B5E is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.087 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.046 away. White text reads best on it, at 12.70:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.65:1 |
| White text | 12.70:1 |
Values
| HEX | #342B5E |
| RGB | rgb(52, 43, 94) |
| HSL | hsl(251, 37%, 27%) |
| OKLCH | oklch(32.7% 0.087 288.7) |
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 #342B5E | 12.70:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #342B5E | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #342B5E text on white | 12.70:1 | AAA | Lc 98.6 | Preferred for body text |
| #342B5E text on black | 1.65:1 | 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
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BEBAE9
oklch(80.8% 0.066 288.7)
-
Step 400
400
#9E96DE
oklch(70.8% 0.104 288.5)
-
Step 500
500
#877AD5
oklch(63.1% 0.134 288.5)
-
Step 600
600
#7261C2
oklch(55.5% 0.146 288.8)
-
Step 700
700
#6050A8
oklch(49.2% 0.136 288.7)
-
Step 800
800
#4E4288
oklch(42.7% 0.112 288.6)
-
Step 900
900 (this color)
#342B5E
oklch(32.7% 0.087 288.7)
-
Step 950
950
#262140
oklch(27% 0.057 289.5)
#342B5E 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) | #153460 | 0.047 |
| Deuteranopia (no green cones) | #16315D | 0.044 |
| Tritanopia (no blue cones) | #283640 | 0.073 |
| Achromatopsia (no color) | #333333 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342B5E
#342B5E
oklch(32.7% 0.087 288.7)
- #383700
#383700
oklch(32.7% 0.071 108.6)
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 #342B5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.055
- Marine #042E60 ΔE 0.057
- Marine Blue #01386A ΔE 0.062
- Gunmetal #293241 ΔE 0.064
- Dark Blue Grey #1F3B4D ΔE 0.069
- Midnight Blue #191970 ΔE 0.075
- Oxford Blue #1B263B ΔE 0.078
Use #342B5E 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.