#3F2C58
Closest named color: Space Cadet (#2B2D42). oklch(33.7% 0.078 302.4), rgb(63, 44, 88).
Aa
White text reads best on this color (12.26:1).
About this color
#3F2C58 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.078 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.055 away. White text reads best on it, at 12.26:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.71:1 |
| White text | 12.26:1 |
Values
| HEX | #3F2C58 |
| RGB | rgb(63, 44, 88) |
| HSL | hsl(266, 33%, 26%) |
| OKLCH | oklch(33.7% 0.078 302.4) |
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 #3F2C58 | 12.26:1 | AAA | Lc -101.3 | Preferred for body text |
| Black text on #3F2C58 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #3F2C58 text on white | 12.26:1 | AAA | Lc 97.8 | Preferred for body text |
| #3F2C58 text on black | 1.71:1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD4EB
oklch(88.4% 0.033 303.4)
-
Step 300
300
#C7B8E0
oklch(80.8% 0.058 302.2)
-
Step 400
400
#AC93D1
oklch(70.8% 0.093 302.6)
-
Step 500
500
#9777C5
oklch(63.1% 0.119 302)
-
Step 600
600
#825EB1
oklch(55.5% 0.129 302.4)
-
Step 700
700
#6E4D99
oklch(49% 0.121 302.2)
-
Step 800
800
#5A407C
oklch(42.8% 0.1 302.4)
-
Step 900
900 (this color)
#3F2C58
oklch(33.7% 0.078 302.4)
-
Step 950
950
#2B203A
oklch(26.9% 0.049 302.7)
#3F2C58 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) | #20355A | 0.053 |
| Deuteranopia (no green cones) | #243557 | 0.050 |
| Tritanopia (no blue cones) | #3B343D | 0.060 |
| Achromatopsia (no color) | #353535 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2C58
#3F2C58
oklch(33.7% 0.078 302.4)
- #303D05
#303D05
oklch(33.7% 0.078 122.6)
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 #3F2C58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.057
- Gunmetal #293241 ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.071
- Onyx #343A40 ΔE 0.071
- Grape Purple #5D1451 ΔE 0.075
- Marine #042E60 ΔE 0.078
- Plum Purple #4E0550 ΔE 0.078
Use #3F2C58 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.