#342B83
Closest named color: Dark Slate Blue (#483D8B). oklch(35.8% 0.142 281.1), rgb(52, 43, 131).
Aa
White text reads best on this color (11.54:1).
About this color
#342B83 is a dark, vivid purple. In OKLCH its lightness is 36%, its chroma 0.142 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.060 away. White text reads best on it, at 11.54:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #342B83 |
| RGB | rgb(52, 43, 131) |
| HSL | hsl(246, 51%, 34%) |
| OKLCH | oklch(35.8% 0.142 281.1) |
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 #342B83 | 11.54:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #342B83 | 1.81:1 | Fails | Lc 7.8 | Not readable |
| #342B83 text on white | 11.54:1 | AAA | Lc 96.1 | Preferred for body text |
| #342B83 text on black | 1.81:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9192FF
oklch(70.7% 0.157 281.2)
-
Step 500
500
#7972FF
oklch(63.2% 0.203 281.1)
-
Step 600
600
#6550F6
oklch(55.6% 0.236 281.2)
-
Step 700
700
#543FD7
oklch(49.1% 0.22 280.9)
-
Step 800
800
#4435AD
oklch(42.6% 0.182 281)
-
Step 900
900 (this color)
#342B83
oklch(35.8% 0.142 281.1)
-
Step 950
950
#211E50
oklch(27.1% 0.089 281.4)
#342B83 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) | #003C86 | 0.058 |
| Deuteranopia (no green cones) | #003681 | 0.054 |
| Tritanopia (no blue cones) | #024153 | 0.120 |
| Achromatopsia (no color) | #393939 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #342B83
#342B83
oklch(35.8% 0.142 281.1)
- #453D00
#453D00
oklch(35.7% 0.075 101.1)
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 #342B83, closest first.
No curated palette has a color within ΔE 0.04 of #342B83.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.060
- Indigo #4B0082 ΔE 0.071
- Blueberry #464196 ΔE 0.071
- Midnight Blue #191970 ΔE 0.073
- Twilight Blue #0A437A ΔE 0.073
- Marine Blue #01386A ΔE 0.074
- Royal #0C1793 ΔE 0.075
- Sapphire #2138AB ΔE 0.075
Use #342B83 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.