#3F173E
Closest named color: Eggplant Purple (#430541). oklch(28.3% 0.085 328.5), rgb(63, 23, 62).
Aa
White text reads best on this color (14.96:1).
About this color
#3F173E is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.085 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.033 away. White text reads best on it, at 14.96:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.40:1 |
| White text | 14.96:1 |
Values
| HEX | #3F173E |
| RGB | rgb(63, 23, 62) |
| HSL | hsl(302, 47%, 17%) |
| OKLCH | oklch(28.3% 0.085 328.5) |
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 #3F173E | 14.96:1 | AAA | Lc -104.3 | Preferred for body text |
| Black text on #3F173E | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #3F173E text on white | 14.96:1 | AAA | Lc 101.5 | Preferred for body text |
| #3F173E text on black | 1.40:1 | 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
#FBF2FA
oklch(97% 0.014 329.1)
-
Step 100
100
#F5E3F4
oklch(93.5% 0.03 327.5)
-
Step 200
200
#EECDEC
oklch(88.5% 0.055 327.9)
-
Step 300
300
#E5AAE1
oklch(81% 0.1 328.7)
-
Step 400
400
#D579D2
oklch(70.7% 0.16 328.3)
-
Step 500
500
#C850C6
oklch(63.1% 0.205 328.3)
-
Step 600
600
#B32BB2
oklch(55.5% 0.223 328.4)
-
Step 700
700
#9A1B99
oklch(49.1% 0.207 328.5)
-
Step 800
800
#7D1B7C
oklch(42.7% 0.171 328.5)
-
Step 900
900
#651F64
oklch(37.7% 0.133 328.4)
-
Step 950
950 (this color)
#3F173E
oklch(28.3% 0.085 328.5)
#3F173E 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) | #13233F | 0.086 |
| Deuteranopia (no green cones) | #20293D | 0.075 |
| Tritanopia (no blue cones) | #411B28 | 0.046 |
| Achromatopsia (no color) | #272727 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F173E
#3F173E
oklch(28.3% 0.085 328.5)
- #003410
#003410
oklch(28.4% 0.081 148.4)
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 #3F173E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.033
- Aubergine #3D0734 ΔE 0.035
- Eggplant #380835 ΔE 0.039
- Deep Violet #490648 ΔE 0.039
- Dark Purple #35063E ΔE 0.045
- Dark Plum #3F012C ΔE 0.049
- Deep Purple #36013F ΔE 0.052
- Plum Purple #4E0550 ΔE 0.053
Use #3F173E 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.