#342F63
Closest named color: Prussian Blue (#1D3557). oklch(33.9% 0.089 285), rgb(52, 47, 99).
Aa
White text reads best on this color (12.11:1).
About this color
#342F63 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.089 and its hue 285°. 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 12.11:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.73:1 |
| White text | 12.11:1 |
Values
| HEX | #342F63 |
| RGB | rgb(52, 47, 99) |
| HSL | hsl(246, 36%, 29%) |
| OKLCH | oklch(33.9% 0.089 285) |
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 #342F63 | 12.11:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #342F63 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #342F63 text on white | 12.11:1 | AAA | Lc 97.5 | Preferred for body text |
| #342F63 text on black | 1.73:1 | 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
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BBBBEB
oklch(80.8% 0.067 284.8)
-
Step 400
400
#9A97E0
oklch(70.7% 0.106 285.2)
-
Step 500
500
#827CD8
oklch(63.2% 0.136 284.8)
-
Step 600
600
#6C63C5
oklch(55.6% 0.148 284.7)
-
Step 700
700
#5B51AA
oklch(49% 0.138 285.2)
-
Step 800
800
#4A438A
oklch(42.7% 0.114 285)
-
Step 900
900 (this color)
#342F63
oklch(33.9% 0.089 285)
-
Step 950
950
#242241
oklch(27.1% 0.057 284.9)
#342F63 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) | #193765 | 0.040 |
| Deuteranopia (no green cones) | #173462 | 0.040 |
| Tritanopia (no blue cones) | #253A44 | 0.075 |
| Achromatopsia (no color) | #363636 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342F63
#342F63
oklch(33.9% 0.089 285)
- #3D3900
#3D3900
oklch(33.8% 0.072 105.2)
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 #342F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.044
- Marine Blue #01386A ΔE 0.055
- Marine #042E60 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.066
- Gunmetal #293241 ΔE 0.067
- Twilight Blue #0A437A ΔE 0.072
- Dark Grey Blue #29465B ΔE 0.076
Use #342F63 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.