#3F2C5C
Closest named color: Prussian Blue (#1D3557). oklch(33.9% 0.084 300.3), rgb(63, 44, 92).
Aa
White text reads best on this color (12.16:1).
About this color
#3F2C5C is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.084 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.059 away. White text reads best on it, at 12.16:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.72:1 |
| White text | 12.16:1 |
Values
| HEX | #3F2C5C |
| RGB | rgb(63, 44, 92) |
| HSL | hsl(264, 35%, 27%) |
| OKLCH | oklch(33.9% 0.084 300.3) |
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 #3F2C5C | 12.16:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #3F2C5C | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #3F2C5C text on white | 12.16:1 | AAA | Lc 97.6 | Preferred for body text |
| #3F2C5C text on black | 1.72:1 | 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
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD4ED
oklch(88.4% 0.035 300.3)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AA92D6
oklch(70.7% 0.1 300.1)
-
Step 500
500
#9676CB
oklch(63.1% 0.128 300.1)
-
Step 600
600
#815DB8
oklch(55.6% 0.14 300.2)
-
Step 700
700
#6D4C9E
oklch(49.1% 0.13 300.3)
-
Step 800
800
#593F80
oklch(42.7% 0.107 300.4)
-
Step 900
900 (this color)
#3F2C5C
oklch(33.9% 0.084 300.3)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#3F2C5C 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) | #1D355E | 0.056 |
| Deuteranopia (no green cones) | #21355B | 0.052 |
| Tritanopia (no blue cones) | #39353F | 0.066 |
| Achromatopsia (no color) | #363636 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2C5C
#3F2C5C
oklch(33.9% 0.084 300.3)
- #323D00
#323D00
oklch(33.8% 0.081 120.4)
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 #3F2C5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.061
- Gunmetal #293241 ΔE 0.068
- Dark Blue Grey #1F3B4D ΔE 0.074
- Grape Purple #5D1451 ΔE 0.076
- Onyx #343A40 ΔE 0.076
- Marine Blue #01386A ΔE 0.077
- Marine #042E60 ΔE 0.077
Use #3F2C5C 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.