#342A71
Closest named color: Marine Blue (#01386A). oklch(34% 0.118 284.7), rgb(52, 42, 113).
Aa
White text reads best on this color (12.24:1).
About this color
#342A71 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.118 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.063 away. White text reads best on it, at 12.24:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.71:1 |
| White text | 12.24:1 |
Values
| HEX | #342A71 |
| RGB | rgb(52, 42, 113) |
| HSL | hsl(248, 46%, 30%) |
| OKLCH | oklch(34% 0.118 284.7) |
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 #342A71 | 12.24:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #342A71 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #342A71 text on white | 12.24:1 | AAA | Lc 97.6 | Preferred for body text |
| #342A71 text on black | 1.71:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D5D5F9
oklch(88.4% 0.049 285.3)
-
Step 300
300
#BAB9F8
oklch(80.9% 0.088 285)
-
Step 400
400
#9892F4
oklch(70.6% 0.141 285)
-
Step 500
500
#8174F0
oklch(63.1% 0.18 284.8)
-
Step 600
600
#6C59DF
oklch(55.7% 0.196 284.5)
-
Step 700
700
#5B47C1
oklch(49% 0.182 285)
-
Step 800
800
#4A3C9C
oklch(42.7% 0.15 284.8)
-
Step 900
900 (this color)
#342A71
oklch(34% 0.118 284.7)
-
Step 950
950
#231F49
oklch(26.9% 0.075 284.4)
#342A71 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) | #003773 | 0.059 |
| Deuteranopia (no green cones) | #003370 | 0.057 |
| Tritanopia (no blue cones) | #1C3B49 | 0.099 |
| Achromatopsia (no color) | #353535 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342A71
#342A71
oklch(34% 0.118 284.7)
- #3E3900
#3E3900
oklch(33.9% 0.072 104.1)
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 #342A71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.063
- Midnight Blue #191970 ΔE 0.064
- Marine #042E60 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.075
- Twilight Blue #0A437A ΔE 0.075
- Indigo #4B0082 ΔE 0.075
- Royal Purple #4B006E ΔE 0.077
Use #342A71 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.