#3A1B47
Closest named color: Eggplant Purple (#430541). oklch(28.8% 0.085 314.9), rgb(58, 27, 71).
Aa
White text reads best on this color (14.70:1).
About this color
#3A1B47 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.085 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.043 away. White text reads best on it, at 14.70:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.42:1 |
| White text | 14.70:1 |
Values
| HEX | #3A1B47 |
| RGB | rgb(58, 27, 71) |
| HSL | hsl(282, 45%, 19%) |
| OKLCH | oklch(28.8% 0.085 314.9) |
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 #3A1B47 | 14.70:1 | AAA | Lc -104.2 | Preferred for body text |
| Black text on #3A1B47 | 1.42:1 | Fails | Lc 0.0 | Not readable |
| #3A1B47 text on white | 14.70:1 | AAA | Lc 101.3 | Preferred for body text |
| #3A1B47 text on black | 1.42:1 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E4F8
oklch(93.5% 0.03 314)
-
Step 200
200
#E7CFF3
oklch(88.5% 0.055 314.5)
-
Step 300
300
#D9ADED
oklch(80.8% 0.1 315.1)
-
Step 400
400
#C57FE4
oklch(70.7% 0.159 314.8)
-
Step 500
500
#B659DC
oklch(63.1% 0.204 314.9)
-
Step 600
600
#A237CA
oklch(55.6% 0.223 315)
-
Step 700
700
#8A28AF
oklch(49.1% 0.207 314.6)
-
Step 800
800
#70248D
oklch(42.7% 0.17 314.8)
-
Step 900
900
#5B2471
oklch(37.7% 0.134 314.8)
-
Step 950
950 (this color)
#3A1B47
oklch(28.8% 0.085 314.9)
#3A1B47 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) | #102648 | 0.075 |
| Deuteranopia (no green cones) | #1A2946 | 0.067 |
| Tritanopia (no blue cones) | #39222E | 0.055 |
| Achromatopsia (no color) | #282828 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1B47
#3A1B47
oklch(28.8% 0.085 314.9)
- #163300
#163300
oklch(28.7% 0.084 135.1)
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 #3A1B47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.043
- Deep Violet #490648 ΔE 0.046
- Dark Purple #35063E ΔE 0.048
- Eggplant #380835 ΔE 0.050
- Aubergine #3D0734 ΔE 0.050
- Deep Purple #36013F ΔE 0.055
- Plum Purple #4E0550 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.060
Use #3A1B47 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.