#3F173D
Closest named color: Eggplant Purple (#430541). oklch(28.2% 0.084 329.5), rgb(63, 23, 61).
Aa
White text reads best on this color (14.98:1).
About this color
#3F173D is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.084 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Eggplant Purple (#430541), ΔE 0.034 away. White text reads best on it, at 14.98:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Eggplant Purple (#430541) |
| Black text | 1.40:1 |
| White text | 14.98:1 |
Values
| HEX | #3F173D |
| RGB | rgb(63, 23, 61) |
| HSL | hsl(303, 47%, 17%) |
| OKLCH | oklch(28.2% 0.084 329.5) |
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 #3F173D | 14.98:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #3F173D | 1.40:1 | Fails | Lc 0.0 | Not readable |
| #3F173D text on white | 14.98:1 | AAA | Lc 101.5 | Preferred for body text |
| #3F173D 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
#F5E3F3
oklch(93.5% 0.029 329.3)
-
Step 200
200
#EFCDEB
oklch(88.6% 0.055 329.9)
-
Step 300
300
#E5AAE0
oklch(81% 0.099 329.3)
-
Step 400
400
#D679D0
oklch(70.7% 0.159 329.5)
-
Step 500
500
#C951C3
oklch(63.2% 0.202 329.7)
-
Step 600
600
#B42CAF
oklch(55.6% 0.22 329.7)
-
Step 700
700
#9A1C97
oklch(49% 0.205 329.3)
-
Step 800
800
#7D1C7A
oklch(42.6% 0.169 329.4)
-
Step 900
900
#651F62
oklch(37.6% 0.131 329.6)
-
Step 950
950 (this color)
#3F173D
oklch(28.2% 0.084 329.5)
#3F173D 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) | #14233E | 0.085 |
| Deuteranopia (no green cones) | #21293C | 0.074 |
| Tritanopia (no blue cones) | #411B27 | 0.046 |
| Achromatopsia (no color) | #272727 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F173D
#3F173D
oklch(28.2% 0.084 329.5)
- #003412
#003412
oklch(28.4% 0.079 149.5)
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 #3F173D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Eggplant Purple #430541 ΔE 0.034
- Aubergine #3D0734 ΔE 0.034
- Eggplant #380835 ΔE 0.038
- Deep Violet #490648 ΔE 0.040
- Dark Purple #35063E ΔE 0.045
- Dark Plum #3F012C ΔE 0.048
- Deep Purple #36013F ΔE 0.052
- Plum Purple #4E0550 ΔE 0.054
Use #3F173D 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.