#3F2F54
Closest named color: Space Cadet (#2B2D42). oklch(34.1% 0.066 303), rgb(63, 47, 84).
Aa
White text reads best on this color (12.02:1).
About this color
#3F2F54 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.066 and its hue 303°. 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 12.02:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.74:1 |
| White text | 12.02:1 |
Values
| HEX | #3F2F54 |
| RGB | rgb(63, 47, 84) |
| HSL | hsl(266, 28%, 26%) |
| OKLCH | oklch(34.1% 0.066 303) |
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 #3F2F54 | 12.02:1 | AAA | Lc -101.0 | Preferred for body text |
| Black text on #3F2F54 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #3F2F54 text on white | 12.02:1 | AAA | Lc 97.4 | Preferred for body text |
| #3F2F54 text on black | 1.74:1 | 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
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DCD5E8
oklch(88.4% 0.027 302.5)
-
Step 300
300
#C7B9DC
oklch(80.9% 0.051 303.4)
-
Step 400
400
#AA95CA
oklch(70.7% 0.079 302.5)
-
Step 500
500
#967ABC
oklch(63.1% 0.101 303.1)
-
Step 600
600
#8062A8
oklch(55.5% 0.11 302.7)
-
Step 700
700
#6D5190
oklch(49.1% 0.102 303.3)
-
Step 800
800
#584375
oklch(42.7% 0.084 302.4)
-
Step 900
900 (this color)
#3F2F54
oklch(34.1% 0.066 303)
-
Step 950
950
#2A2137
oklch(26.9% 0.042 302.5)
#3F2F54 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) | #263655 | 0.044 |
| Deuteranopia (no green cones) | #293653 | 0.041 |
| Tritanopia (no blue cones) | #3B353D | 0.051 |
| Achromatopsia (no color) | #363636 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2F54
#3F2F54
oklch(34.1% 0.066 303)
- #323D13
#323D13
oklch(34% 0.065 122.3)
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 #3F2F54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.054
- Gunmetal #293241 ΔE 0.054
- Onyx #343A40 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.062
- Charcoal Grey #3C4142 ΔE 0.073
- Dark Grey Blue #29465B ΔE 0.073
- Charcoal #264653 ΔE 0.078
Use #3F2F54 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.