#3F2F52
Closest named color: Space Cadet (#2B2D42). oklch(33.9% 0.063 304.3), rgb(63, 47, 82).
Aa
White text reads best on this color (12.07:1).
About this color
#3F2F52 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.063 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.047 away. White text reads best on it, at 12.07:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.73:1 |
| White text | 12.07:1 |
Values
| HEX | #3F2F52 |
| RGB | rgb(63, 47, 82) |
| HSL | hsl(267, 27%, 25%) |
| OKLCH | oklch(33.9% 0.063 304.3) |
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 #3F2F52 | 12.07:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #3F2F52 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #3F2F52 text on white | 12.07:1 | AAA | Lc 97.5 | Preferred for body text |
| #3F2F52 text on black | 1.73:1 | 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
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C7BADA
oklch(81% 0.047 303.8)
-
Step 400
400
#AB95C7
oklch(70.7% 0.076 304.6)
-
Step 500
500
#967AB9
oklch(63% 0.097 304.1)
-
Step 600
600
#8163A5
oklch(55.7% 0.105 304.1)
-
Step 700
700
#6D528D
oklch(49.2% 0.096 304.2)
-
Step 800
800
#594373
oklch(42.7% 0.081 304.3)
-
Step 900
900 (this color)
#3F2F52
oklch(33.9% 0.063 304.3)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#3F2F52 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) | #273653 | 0.043 |
| Deuteranopia (no green cones) | #2A3651 | 0.040 |
| Tritanopia (no blue cones) | #3C353C | 0.049 |
| Achromatopsia (no color) | #363636 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2F52
#3F2F52
oklch(33.9% 0.063 304.3)
- #313D16
#313D16
oklch(33.9% 0.062 124)
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 #3F2F52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.047
- Gunmetal #293241 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.054
- Onyx #343A40 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.073
- Charcoal #264653 ΔE 0.078
Use #3F2F52 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.