#340C55
Closest named color: Dark Purple (#35063E). oklch(27% 0.121 303.8), rgb(52, 12, 85).
Aa
White text reads best on this color (15.79:1).
About this color
#340C55 is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.121 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Purple (#35063E), ΔE 0.044 away. White text reads best on it, at 15.79:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Dark Purple (#35063E) |
| Black text | 1.32:1 |
| White text | 15.79:1 |
Values
| HEX | #340C55 |
| RGB | rgb(52, 12, 85) |
| HSL | hsl(273, 75%, 19%) |
| OKLCH | oklch(27% 0.121 303.8) |
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 #340C55 | 15.79:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #340C55 | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #340C55 text on white | 15.79:1 | AAA | Lc 102.1 | Preferred for body text |
| #340C55 text on black | 1.32:1 | 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 950.
-
Step 50
50
#F8F3FF
oklch(97.1% 0.017 304.8)
-
Step 100
100
#EFE4FF
oklch(93.6% 0.038 304.1)
-
Step 200
200
#E3CFFF
oklch(88.6% 0.068 304)
-
Step 300
300
#D1ADFF
oklch(80.8% 0.119 304)
-
Step 400
400
#BB7DFF
oklch(70.7% 0.19 304)
-
Step 500
500
#AB51FF
oklch(63.1% 0.246 303.7)
-
Step 600
600
#9B00F8
oklch(55.6% 0.29 303.9)
-
Step 700
700
#8300D3
oklch(49.2% 0.257 303.9)
-
Step 800
800
#6B00AF
oklch(42.7% 0.224 303.5)
-
Step 900
900
#590791
oklch(37.7% 0.191 303.8)
-
Step 950
950 (this color)
#340C55
oklch(27% 0.121 303.8)
#340C55 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) | #002257 | 0.087 |
| Deuteranopia (no green cones) | #002254 | 0.088 |
| Tritanopia (no blue cones) | #2D2031 | 0.087 |
| Achromatopsia (no color) | #232323 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #340C55
#340C55
oklch(27% 0.121 303.8)
- #202B00
#202B00
oklch(26.9% 0.066 123.3)
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 #340C55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Purple #35063E ΔE 0.044
- Deep Purple #36013F ΔE 0.046
- Dark Indigo #1F0954 ΔE 0.049
- Eggplant Purple #430541 ΔE 0.053
- Deep Violet #490648 ΔE 0.056
- Eggplant #380835 ΔE 0.062
- Plum Purple #4E0550 ΔE 0.062
- Royal Purple #4B006E ΔE 0.065
Use #340C55 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.