#342F6C
Closest named color: Prussian Blue (#1D3557). oklch(34.6% 0.103 283.3), rgb(52, 47, 108).
Aa
White text reads best on this color (11.87:1).
About this color
#342F6C is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.103 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.054 away. White text reads best on it, at 11.87:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.76:1 |
| White text | 11.87:1 |
Values
| HEX | #342F6C |
| RGB | rgb(52, 47, 108) |
| HSL | hsl(245, 39%, 30%) |
| OKLCH | oklch(34.6% 0.103 283.3) |
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 #342F6C | 11.87:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #342F6C | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #342F6C text on white | 11.87:1 | AAA | Lc 97.0 | Preferred for body text |
| #342F6C text on black | 1.76:1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#B9BBF1
oklch(80.9% 0.076 282.9)
-
Step 400
400
#9796EB
oklch(70.8% 0.123 283.3)
-
Step 500
500
#7F79E4
oklch(63.1% 0.157 283.5)
-
Step 600
600
#695FD2
oklch(55.5% 0.171 283.2)
-
Step 700
700
#584EB6
oklch(49.1% 0.159 283.2)
-
Step 800
800
#484093
oklch(42.6% 0.132 283.6)
-
Step 900
900 (this color)
#342F6C
oklch(34.6% 0.103 283.3)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#342F6C 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) | #0E396E | 0.048 |
| Deuteranopia (no green cones) | #0A356B | 0.049 |
| Tritanopia (no blue cones) | #203C48 | 0.087 |
| Achromatopsia (no color) | #373737 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342F6C
#342F6C
oklch(34.6% 0.103 283.3)
- #403B00
#403B00
oklch(34.6% 0.073 104.2)
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 #342F6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.054
- Marine Blue #01386A ΔE 0.055
- Marine #042E60 ΔE 0.061
- Twilight Blue #0A437A ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.072
- Midnight Blue #191970 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.077
Use #342F6C 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.