#3B1F59
Closest named color: Plum Purple (#4E0550). oklch(30.9% 0.101 303.2), rgb(59, 31, 89).
Aa
White text reads best on this color (13.75:1).
About this color
#3B1F59 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.101 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.058 away. White text reads best on it, at 13.75:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.52:1 |
| White text | 13.75:1 |
Values
| HEX | #3B1F59 |
| RGB | rgb(59, 31, 89) |
| HSL | hsl(269, 48%, 24%) |
| OKLCH | oklch(30.9% 0.101 303.2) |
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 #3B1F59 | 13.75:1 | AAA | Lc -103.1 | Preferred for body text |
| Black text on #3B1F59 | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #3B1F59 text on white | 13.75:1 | AAA | Lc 100.0 | Preferred for body text |
| #3B1F59 text on black | 1.52:1 | 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
#F7F3FF
oklch(97.1% 0.016 301.2)
-
Step 100
100
#EEE5FE
oklch(93.6% 0.035 302.1)
-
Step 200
200
#E2CFFE
oklch(88.5% 0.067 303.4)
-
Step 300
300
#D0AEFF
oklch(80.9% 0.117 303.1)
-
Step 400
400
#B97EFF
oklch(70.7% 0.188 303)
-
Step 500
500
#AA52FF
oklch(63.1% 0.245 303.3)
-
Step 600
600
#9627EF
oklch(55.6% 0.267 303)
-
Step 700
700
#8012D0
oklch(49.1% 0.248 303)
-
Step 800
800
#6817A8
oklch(42.7% 0.206 303.1)
-
Step 900
900
#541F85
oklch(37.7% 0.16 303)
-
Step 950
950 (this color)
#3B1F59
oklch(30.9% 0.101 303.2)
#3B1F59 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) | #022C5B | 0.081 |
| Deuteranopia (no green cones) | #102D58 | 0.073 |
| Tritanopia (no blue cones) | #352B38 | 0.076 |
| Achromatopsia (no color) | #2D2D2D | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B1F59
#3B1F59
oklch(30.9% 0.101 303.2)
- #293600
#293600
oklch(31% 0.076 123.2)
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 #3B1F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.058
- Deep Violet #490648 ΔE 0.058
- Royal Purple #4B006E ΔE 0.063
- Eggplant Purple #430541 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.068
- Dark Purple #35063E ΔE 0.071
- Prussian Blue #1D3557 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.076
Use #3B1F59 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.