#342F55
Closest named color: Prussian Blue (#1D3557). oklch(33% 0.066 288.3), rgb(52, 47, 85).
Aa
White text reads best on this color (12.47:1).
About this color
#342F55 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.066 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.036 away. White text reads best on it, at 12.47:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.68:1 |
| White text | 12.47:1 |
Values
| HEX | #342F55 |
| RGB | rgb(52, 47, 85) |
| HSL | hsl(248, 29%, 26%) |
| OKLCH | oklch(33% 0.066 288.3) |
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 #342F55 | 12.47:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #342F55 | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #342F55 text on white | 12.47:1 | AAA | Lc 98.3 | Preferred for body text |
| #342F55 text on black | 1.68:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D8D7EB
oklch(88.6% 0.027 288.1)
-
Step 300
300
#BEBCE0
oklch(80.9% 0.05 287.8)
-
Step 400
400
#9E99D0
oklch(70.7% 0.08 288.3)
-
Step 500
500
#877FC3
oklch(63.1% 0.101 288.5)
-
Step 600
600
#7168B0
oklch(55.7% 0.11 288)
-
Step 700
700
#5F5697
oklch(49.2% 0.102 288.4)
-
Step 800
800
#4D467A
oklch(42.6% 0.085 288.4)
-
Step 900
900 (this color)
#342F55
oklch(33% 0.066 288.3)
-
Step 950
950
#25233A
oklch(27% 0.042 287.2)
#342F55 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) | #233556 | 0.030 |
| Deuteranopia (no green cones) | #223354 | 0.029 |
| Tritanopia (no blue cones) | #2C363E | 0.054 |
| Achromatopsia (no color) | #343434 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342F55
#342F55
oklch(33% 0.066 288.3)
- #393706
#393706
oklch(32.9% 0.066 107.1)
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 #342F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.038
- Gunmetal #293241 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.051
- Onyx #343A40 ΔE 0.059
- Marine #042E60 ΔE 0.060
- Marine Blue #01386A ΔE 0.063
- Midnight Green #073B4C ΔE 0.065
Use #342F55 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.