#3F274E
Closest named color: Space Cadet (#2B2D42). oklch(32.1% 0.073 311.2), rgb(63, 39, 78).
Aa
White text reads best on this color (13.03:1).
About this color
#3F274E is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.073 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.048 away. White text reads best on it, at 13.03:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.03:1 |
Values
| HEX | #3F274E |
| RGB | rgb(63, 39, 78) |
| HSL | hsl(277, 33%, 23%) |
| OKLCH | oklch(32.1% 0.073 311.2) |
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 #3F274E | 13.03:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #3F274E | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #3F274E text on white | 13.03:1 | AAA | Lc 99.1 | Preferred for body text |
| #3F274E text on black | 1.61:1 | 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 950.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE5F6
oklch(93.5% 0.025 311.7)
-
Step 200
200
#E3D1F1
oklch(88.5% 0.047 310.5)
-
Step 300
300
#D3B1EA
oklch(80.9% 0.087 311.4)
-
Step 400
400
#BC86DF
oklch(70.6% 0.138 311.1)
-
Step 500
500
#AC64D6
oklch(63.1% 0.177 311.5)
-
Step 600
600
#9748C3
oklch(55.6% 0.191 311.3)
-
Step 700
700
#8138A9
oklch(49.2% 0.179 311.2)
-
Step 800
800
#692F89
oklch(42.7% 0.149 311.4)
-
Step 900
900
#552B6D
oklch(37.6% 0.115 311.5)
-
Step 950
950 (this color)
#3F274E
oklch(32.1% 0.073 311.2)
#3F274E 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) | #1E304F | 0.059 |
| Deuteranopia (no green cones) | #25314D | 0.052 |
| Tritanopia (no blue cones) | #3D2D36 | 0.052 |
| Achromatopsia (no color) | #313131 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F274E
#3F274E
oklch(32.1% 0.073 311.2)
- #253A0E
#253A0E
oklch(32% 0.073 131.3)
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 #3F274E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.048
- Gunmetal #293241 ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.064
- Deep Violet #490648 ΔE 0.066
- Plum Purple #4E0550 ΔE 0.069
- Grape Purple #5D1451 ΔE 0.071
- Eggplant Purple #430541 ΔE 0.071
- Onyx #343A40 ΔE 0.072
Use #3F274E 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.