#3F2658
Closest named color: Space Cadet (#2B2D42). oklch(32.5% 0.089 305.1), rgb(63, 38, 88).
Aa
White text reads best on this color (12.88:1).
About this color
#3F2658 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.089 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.061 away. White text reads best on it, at 12.88:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.88:1 |
Values
| HEX | #3F2658 |
| RGB | rgb(63, 38, 88) |
| HSL | hsl(270, 40%, 25%) |
| OKLCH | oklch(32.5% 0.089 305.1) |
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 #3F2658 | 12.88:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #3F2658 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #3F2658 text on white | 12.88:1 | AAA | Lc 98.8 | Preferred for body text |
| #3F2658 text on black | 1.62:1 | 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
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3ED
oklch(88.4% 0.037 306.4)
-
Step 300
300
#CAB6E4
oklch(80.8% 0.067 304.7)
-
Step 400
400
#B08FD6
oklch(70.6% 0.107 305.1)
-
Step 500
500
#9D72CB
oklch(63.1% 0.136 305.1)
-
Step 600
600
#8859B8
oklch(55.7% 0.148 304.9)
-
Step 700
700
#73489E
oklch(49% 0.138 305)
-
Step 800
800
#5E3C80
oklch(42.8% 0.113 305.2)
-
Step 900
900 (this color)
#3F2658
oklch(32.5% 0.089 305.1)
-
Step 950
950
#2D1F3C
oklch(27.1% 0.055 305.3)
#3F2658 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) | #16315A | 0.068 |
| Deuteranopia (no green cones) | #1E3257 | 0.062 |
| Tritanopia (no blue cones) | #3B2F3B | 0.065 |
| Achromatopsia (no color) | #323232 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F2658
#3F2658
oklch(32.5% 0.089 305.1)
- #2B3B00
#2B3B00
oklch(32.6% 0.082 124.8)
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 #3F2658, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.061
- Plum Purple #4E0550 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.066
- Deep Violet #490648 ΔE 0.066
- Grape Purple #5D1451 ΔE 0.069
- Gunmetal #293241 ΔE 0.072
- Royal Purple #4B006E ΔE 0.074
- Eggplant Purple #430541 ΔE 0.074
Use #3F2658 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.