#3F2A54
Closest named color: Space Cadet (#2B2D42). oklch(33% 0.076 305.7), rgb(63, 42, 84).
Aa
White text reads best on this color (12.57:1).
About this color
#3F2A54 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.076 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.051 away. White text reads best on it, at 12.57:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.67:1 |
| White text | 12.57:1 |
Values
| HEX | #3F2A54 |
| RGB | rgb(63, 42, 84) |
| HSL | hsl(270, 33%, 25%) |
| OKLCH | oklch(33% 0.076 305.7) |
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 #3F2A54 | 12.57:1 | AAA | Lc -101.8 | Preferred for body text |
| Black text on #3F2A54 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #3F2A54 text on white | 12.57:1 | AAA | Lc 98.4 | Preferred for body text |
| #3F2A54 text on black | 1.67:1 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DED4EA
oklch(88.5% 0.032 306.2)
-
Step 300
300
#C9B8DE
oklch(80.9% 0.056 305.4)
-
Step 400
400
#AE92CE
oklch(70.7% 0.091 305.5)
-
Step 500
500
#9B76C1
oklch(63.1% 0.116 306)
-
Step 600
600
#855EAD
oklch(55.6% 0.125 305.5)
-
Step 700
700
#714D95
oklch(49.1% 0.117 305.6)
-
Step 800
800
#5C3F79
oklch(42.6% 0.098 305.7)
-
Step 900
900 (this color)
#3F2A54
oklch(33% 0.076 305.7)
-
Step 950
950
#2C2039
oklch(27% 0.048 305.5)
#3F2A54 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) | #1F3356 | 0.056 |
| Deuteranopia (no green cones) | #243353 | 0.051 |
| Tritanopia (no blue cones) | #3C313B | 0.055 |
| Achromatopsia (no color) | #333333 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2A54
#3F2A54
oklch(33% 0.076 305.7)
- #2C3C09
#2C3C09
oklch(33.1% 0.075 125.8)
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 #3F2A54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.059
- Gunmetal #293241 ΔE 0.060
- Onyx #343A40 ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.072
- Grape Purple #5D1451 ΔE 0.073
- Plum Purple #4E0550 ΔE 0.074
- Deep Violet #490648 ΔE 0.074
Use #3F2A54 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.