#3F1B49
Closest named color: Deep Violet (#490648). oklch(29.6% 0.09 318.4), rgb(63, 27, 73).
Aa
White text reads best on this color (14.34:1).
About this color
#3F1B49 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.090 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.040 away. White text reads best on it, at 14.34:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.46:1 |
| White text | 14.34:1 |
Values
| HEX | #3F1B49 |
| RGB | rgb(63, 27, 73) |
| HSL | hsl(287, 46%, 20%) |
| OKLCH | oklch(29.6% 0.09 318.4) |
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 #3F1B49 | 14.34:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #3F1B49 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #3F1B49 text on white | 14.34:1 | AAA | Lc 100.8 | Preferred for body text |
| #3F1B49 text on black | 1.46:1 | 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
#FAF3FC
oklch(97.2% 0.014 318.7)
-
Step 100
100
#F3E4F7
oklch(93.6% 0.03 319.1)
-
Step 200
200
#EACDF3
oklch(88.4% 0.06 318.1)
-
Step 300
300
#DEABED
oklch(81% 0.106 318.4)
-
Step 400
400
#CC7AE4
oklch(70.7% 0.171 318.2)
-
Step 500
500
#BE51DB
oklch(63.1% 0.217 318.6)
-
Step 600
600
#A92CC9
oklch(55.6% 0.236 318.2)
-
Step 700
700
#911BAE
oklch(49.1% 0.219 318.2)
-
Step 800
800
#761B8D
oklch(42.7% 0.182 318.3)
-
Step 900
900
#5F1F70
oklch(37.6% 0.141 318.4)
-
Step 950
950 (this color)
#3F1B49
oklch(29.6% 0.09 318.4)
#3F1B49 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) | #11284A | 0.084 |
| Deuteranopia (no green cones) | #1D2B48 | 0.073 |
| Tritanopia (no blue cones) | #3F222F | 0.056 |
| Achromatopsia (no color) | #2A2A2A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1B49
#3F1B49
oklch(29.6% 0.09 318.4)
- #113702
#113702
oklch(29.8% 0.09 138.6)
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 #3F1B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.040
- Eggplant Purple #430541 ΔE 0.041
- Plum Purple #4E0550 ΔE 0.047
- Aubergine #3D0734 ΔE 0.052
- Dark Purple #35063E ΔE 0.054
- Eggplant #380835 ΔE 0.054
- Deep Purple #36013F ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.065
Use #3F1B49 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.