#3F2C4E
Closest named color: Space Cadet (#2B2D42). oklch(33.1% 0.063 309), rgb(63, 44, 78).
Aa
White text reads best on this color (12.48:1).
About this color
#3F2C4E is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.063 and its hue 309°. 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 12.48:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.68:1 |
| White text | 12.48:1 |
Values
| HEX | #3F2C4E |
| RGB | rgb(63, 44, 78) |
| HSL | hsl(274, 28%, 24%) |
| OKLCH | oklch(33.1% 0.063 309) |
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 #3F2C4E | 12.48:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #3F2C4E | 1.68:1 | Fails | Lc 0.0 | Not readable |
| #3F2C4E text on white | 12.48:1 | AAA | Lc 98.3 | Preferred for body text |
| #3F2C4E text on black | 1.68:1 | 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 900.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F1
oklch(93.5% 0.014 308.3)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D8
oklch(80.9% 0.046 308.5)
-
Step 400
400
#AE94C5
oklch(70.7% 0.076 308.6)
-
Step 500
500
#9A79B6
oklch(63.1% 0.096 308.6)
-
Step 600
600
#8561A2
oklch(55.6% 0.105 308.8)
-
Step 700
700
#71508A
oklch(49.1% 0.097 309.4)
-
Step 800
800
#5C4270
oklch(42.7% 0.08 309.3)
-
Step 900
900 (this color)
#3F2C4E
oklch(33.1% 0.063 309)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#3F2C4E 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) | #25334F | 0.047 |
| Deuteranopia (no green cones) | #29344D | 0.043 |
| Tritanopia (no blue cones) | #3D3139 | 0.045 |
| Achromatopsia (no color) | #343434 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2C4E
#3F2C4E
oklch(33.1% 0.063 309)
- #2B3C16
#2B3C16
oklch(33.1% 0.064 129.4)
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 #3F2C4E, 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 0.051
- Prussian Blue #1D3557 ΔE 0.057
- Onyx #343A40 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.076
- Oxford Blue #1B263B ΔE 0.077
- Grape Purple #5D1451 ΔE 0.077
Use #3F2C4E 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.