#3F2750
Closest named color: Space Cadet (#2B2D42). oklch(32.2% 0.076 309.8), rgb(63, 39, 80).
Aa
White text reads best on this color (12.98:1).
About this color
#3F2750 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.076 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.050 away. White text reads best on it, at 12.98:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 12.98:1 |
Values
| HEX | #3F2750 |
| RGB | rgb(63, 39, 80) |
| HSL | hsl(275, 34%, 23%) |
| OKLCH | oklch(32.2% 0.076 309.8) |
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 #3F2750 | 12.98:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #3F2750 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #3F2750 text on white | 12.98:1 | AAA | Lc 99.1 | Preferred for body text |
| #3F2750 text on black | 1.61:1 | 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
#F8F3FC
oklch(97.1% 0.013 310.5)
-
Step 100
100
#EFE5F7
oklch(93.5% 0.026 310.4)
-
Step 200
200
#E3D1F2
oklch(88.5% 0.049 309.7)
-
Step 300
300
#D2B1ED
oklch(80.9% 0.09 309.4)
-
Step 400
400
#BC85E3
oklch(70.7% 0.144 310.1)
-
Step 500
500
#AB63DB
oklch(63.1% 0.184 309.8)
-
Step 600
600
#9646C8
oklch(55.6% 0.199 309.7)
-
Step 700
700
#8036AD
oklch(49.1% 0.185 309.7)
-
Step 800
800
#682E8C
oklch(42.7% 0.153 309.8)
-
Step 900
900
#552B70
oklch(37.8% 0.119 310)
-
Step 950
950 (this color)
#3F2750
oklch(32.2% 0.076 309.8)
#3F2750 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) | #1D3051 | 0.060 |
| Deuteranopia (no green cones) | #24324F | 0.054 |
| Tritanopia (no blue cones) | #3D2E37 | 0.055 |
| Achromatopsia (no color) | #313131 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2750
#3F2750
oklch(32.2% 0.076 309.8)
- #263B0A
#263B0A
oklch(32.3% 0.077 130.2)
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 #3F2750, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.050
- Gunmetal #293241 ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.064
- Deep Violet #490648 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.070
- Eggplant Purple #430541 ΔE 0.072
- Onyx #343A40 ΔE 0.074
Use #3F2750 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.