#3F1738
Closest named color: Aubergine (#3D0734). oklch(28% 0.079 334.7), rgb(63, 23, 56).
Aa
White text reads best on this color (15.09:1).
About this color
#3F1738 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.079 and its hue 335°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.033 away. White text reads best on it, at 15.09:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.39:1 |
| White text | 15.09:1 |
Values
| HEX | #3F1738 |
| RGB | rgb(63, 23, 56) |
| HSL | hsl(311, 47%, 17%) |
| OKLCH | oklch(28% 0.079 334.7) |
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 #3F1738 | 15.09:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #3F1738 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #3F1738 text on white | 15.09:1 | AAA | Lc 101.7 | Preferred for body text |
| #3F1738 text on black | 1.39:1 | 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
#FBF2F9
oklch(97% 0.013 333)
-
Step 100
100
#F6E3F1
oklch(93.5% 0.028 334.9)
-
Step 200
200
#F0CDE7
oklch(88.6% 0.052 335.1)
-
Step 300
300
#E7AAD9
oklch(80.9% 0.094 334.8)
-
Step 400
400
#D87AC6
oklch(70.7% 0.15 334.5)
-
Step 500
500
#CB53B7
oklch(63.1% 0.191 334.6)
-
Step 600
600
#B631A2
oklch(55.6% 0.206 334.8)
-
Step 700
700
#9C218B
oklch(49% 0.192 334.6)
-
Step 800
800
#7F1F71
oklch(42.7% 0.159 334.6)
-
Step 900
900
#67215B
oklch(37.8% 0.124 335.2)
-
Step 950
950 (this color)
#3F1738
oklch(28% 0.079 334.7)
#3F1738 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) | #172239 | 0.081 |
| Deuteranopia (no green cones) | #232837 | 0.071 |
| Tritanopia (no blue cones) | #421925 | 0.038 |
| Achromatopsia (no color) | #262626 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1738
#3F1738
oklch(28% 0.079 334.7)
- #003219
#003219
oklch(27.9% 0.068 155.3)
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 #3F1738, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.033
- Eggplant #380835 ΔE 0.038
- Eggplant Purple #430541 ΔE 0.039
- Dark Plum #3F012C ΔE 0.044
- Deep Violet #490648 ΔE 0.047
- Dark Purple #35063E ΔE 0.049
- Deep Purple #36013F ΔE 0.056
- Plum Purple #4E0550 ΔE 0.061
Use #3F1738 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.