#3F2647
Closest named color: Space Cadet (#2B2D42). oklch(31.5% 0.065 317.7), rgb(63, 38, 71).
Aa
White text reads best on this color (13.29:1).
About this color
#3F2647 is a dark, muted purple. In OKLCH its lightness is 31%, its chroma 0.065 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.044 away. White text reads best on it, at 13.29:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.29:1 |
Values
| HEX | #3F2647 |
| RGB | rgb(63, 38, 71) |
| HSL | hsl(285, 30%, 21%) |
| OKLCH | oklch(31.5% 0.065 317.7) |
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 #3F2647 | 13.29:1 | AAA | Lc -102.8 | Preferred for body text |
| Black text on #3F2647 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #3F2647 text on white | 13.29:1 | AAA | Lc 99.5 | Preferred for body text |
| #3F2647 text on black | 1.57:1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D6B1E2
oklch(80.9% 0.079 317.8)
-
Step 400
400
#C087D3
oklch(70.7% 0.124 317.4)
-
Step 500
500
#B067C7
oklch(63.2% 0.158 317.7)
-
Step 600
600
#9B4BB4
oklch(55.6% 0.173 317.5)
-
Step 700
700
#843B9A
oklch(49% 0.16 317.7)
-
Step 800
800
#6C327D
oklch(42.7% 0.132 318)
-
Step 900
900
#572D65
oklch(37.7% 0.103 317.1)
-
Step 950
950 (this color)
#3F2647
oklch(31.5% 0.065 317.7)
#3F2647 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) | #212E48 | 0.056 |
| Deuteranopia (no green cones) | #273046 | 0.051 |
| Tritanopia (no blue cones) | #3F2A33 | 0.042 |
| Achromatopsia (no color) | #2F2F2F | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2647
#3F2647
oklch(31.5% 0.065 317.7)
- #203916
#203916
oklch(31.4% 0.066 137.5)
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 #3F2647, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.044
- Gunmetal #293241 ΔE 0.055
- Deep Violet #490648 ΔE 0.066
- Prussian Blue #1D3557 ΔE 0.068
- Eggplant Purple #430541 ΔE 0.069
- Onyx #343A40 ΔE 0.069
- Oxford Blue #1B263B ΔE 0.070
- Plum Purple #4E0550 ΔE 0.071
Use #3F2647 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.