#342F58
Closest named color: Prussian Blue (#1D3557). oklch(33.1% 0.071 287.5), rgb(52, 47, 88).
Aa
White text reads best on this color (12.40:1).
About this color
#342F58 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.071 and its hue 287°. 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 12.40:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.69:1 |
| White text | 12.40:1 |
Values
| HEX | #342F58 |
| RGB | rgb(52, 47, 88) |
| HSL | hsl(247, 30%, 26%) |
| OKLCH | oklch(33.1% 0.071 287.5) |
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 #342F58 | 12.40:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #342F58 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #342F58 text on white | 12.40:1 | AAA | Lc 98.1 | Preferred for body text |
| #342F58 text on black | 1.69:1 | 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
#E9E8F4
oklch(93.5% 0.016 289.9)
-
Step 200
200
#D7D7EC
oklch(88.6% 0.029 285.8)
-
Step 300
300
#BEBCE2
oklch(80.9% 0.053 287.6)
-
Step 400
400
#9D99D3
oklch(70.8% 0.084 287.2)
-
Step 500
500
#867EC8
oklch(63.1% 0.11 287.8)
-
Step 600
600
#7067B4
oklch(55.7% 0.117 287.3)
-
Step 700
700
#5E559B
oklch(49.1% 0.11 287.5)
-
Step 800
800
#4D467E
oklch(42.8% 0.091 287.6)
-
Step 900
900 (this color)
#342F58
oklch(33.1% 0.071 287.5)
-
Step 950
950
#25233B
oklch(27% 0.044 286.9)
#342F58 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) | #21355A | 0.031 |
| Deuteranopia (no green cones) | #213357 | 0.030 |
| Tritanopia (no blue cones) | #2A373F | 0.060 |
| Achromatopsia (no color) | #343434 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342F58
#342F58
oklch(33.1% 0.071 287.5)
- #3A3800
#3A3800
oklch(33.2% 0.071 107.5)
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 #342F58, 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 0.043
- Gunmetal #293241 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.054
- Marine #042E60 ΔE 0.059
- Marine Blue #01386A ΔE 0.060
- Onyx #343A40 ΔE 0.063
- Midnight Green #073B4C ΔE 0.067
Use #342F58 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.