#3F1B43
Closest named color: Eggplant Purple (#430541). oklch(29.2% 0.083 323.5), rgb(63, 27, 67).
Aa
White text reads best on this color (14.49:1).
About this color
#3F1B43 is a dark, moderately saturated purple. In OKLCH its lightness is 29%, its chroma 0.083 and its hue 324°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.040 away. White text reads best on it, at 14.49:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.44:1 |
| White text | 14.49:1 |
Values
| HEX | #3F1B43 |
| RGB | rgb(63, 27, 67) |
| HSL | hsl(294, 43%, 18%) |
| OKLCH | oklch(29.2% 0.083 323.5) |
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 #3F1B43 | 14.49:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #3F1B43 | 1.44:1 | Fails | Lc 0.0 | Not readable |
| #3F1B43 text on white | 14.49:1 | AAA | Lc 101.0 | Preferred for body text |
| #3F1B43 text on black | 1.44:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F4E4F5
oklch(93.7% 0.028 324)
-
Step 200
200
#EBCEEE
oklch(88.5% 0.053 323.1)
-
Step 300
300
#E0ABE5
oklch(80.8% 0.098 323.6)
-
Step 400
400
#CF7CD8
oklch(70.7% 0.157 323.5)
-
Step 500
500
#C155CD
oklch(63.1% 0.2 323.6)
-
Step 600
600
#AC33BA
oklch(55.6% 0.218 323.4)
-
Step 700
700
#9423A0
oklch(49.2% 0.203 323.7)
-
Step 800
800
#782182
oklch(42.8% 0.167 323.4)
-
Step 900
900
#612268
oklch(37.7% 0.13 323.6)
-
Step 950
950 (this color)
#3F1B43
oklch(29.2% 0.083 323.5)
#3F1B43 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) | #152744 | 0.080 |
| Deuteranopia (no green cones) | #212B42 | 0.070 |
| Tritanopia (no blue cones) | #40202C | 0.049 |
| Achromatopsia (no color) | #292929 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1B43
#3F1B43
oklch(29.2% 0.083 323.5)
- #0B360C
#0B360C
oklch(29.3% 0.083 143.4)
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 #3F1B43, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.040
- Deep Violet #490648 ΔE 0.042
- Aubergine #3D0734 ΔE 0.046
- Eggplant #380835 ΔE 0.049
- Plum Purple #4E0550 ΔE 0.052
- Dark Purple #35063E ΔE 0.053
- Deep Purple #36013F ΔE 0.059
- Dark Plum #3F012C ΔE 0.061
Use #3F1B43 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.