#342D79
Closest named color: Dark Slate Blue (#483D8B). oklch(35.2% 0.125 282), rgb(52, 45, 121).
Aa
White text reads best on this color (11.68:1).
About this color
#342D79 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.125 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.063 away. White text reads best on it, at 11.68:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.79:1 |
| White text | 11.68:1 |
Values
| HEX | #342D79 |
| RGB | rgb(52, 45, 121) |
| HSL | hsl(246, 46%, 33%) |
| OKLCH | oklch(35.2% 0.125 282) |
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 #342D79 | 11.68:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #342D79 | 1.79:1 | Fails | Lc 7.4 | Not readable |
| #342D79 text on white | 11.68:1 | AAA | Lc 96.5 | Preferred for body text |
| #342D79 text on black | 1.79:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D3D6FB
oklch(88.6% 0.051 281.6)
-
Step 300
300
#B7BAFC
oklch(81% 0.093 282.1)
-
Step 400
400
#9393FB
oklch(70.8% 0.15 281.9)
-
Step 500
500
#7B74F8
oklch(63.2% 0.191 281.8)
-
Step 600
600
#6758E7
oklch(55.7% 0.208 282)
-
Step 700
700
#5646C9
oklch(49.1% 0.194 282.1)
-
Step 800
800
#463BA2
oklch(42.7% 0.16 282.1)
-
Step 900
900 (this color)
#342D79
oklch(35.2% 0.125 282)
-
Step 950
950
#221F4B
oklch(27% 0.079 282.8)
#342D79 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) | #003B7B | 0.057 |
| Deuteranopia (no green cones) | #003677 | 0.054 |
| Tritanopia (no blue cones) | #143F4E | 0.106 |
| Achromatopsia (no color) | #383838 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342D79
#342D79
oklch(35.2% 0.125 282)
- #433C00
#433C00
oklch(35.2% 0.074 102.1)
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 #342D79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.063
- Marine Blue #01386A ΔE 0.064
- Twilight Blue #0A437A ΔE 0.067
- Midnight Blue #191970 ΔE 0.070
- Marine #042E60 ΔE 0.072
- Prussian Blue #1D3557 ΔE 0.074
- Indigo #4B0082 ΔE 0.076
- Blueberry #464196 ΔE 0.077
Use #342D79 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.