#401E55
Closest named color: Plum Purple (#4E0550). oklch(31.1% 0.1 310.4), rgb(64, 30, 85).
Aa
White text reads best on this color (13.68:1).
About this color
#401E55 is a dark, moderately saturated purple. In OKLCH its lightness is 31%, its chroma 0.100 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Plum Purple (#4E0550), ΔE 0.048 away. White text reads best on it, at 13.68:1.
| Hue family | Purples |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Plum Purple (#4E0550) |
| Black text | 1.53:1 |
| White text | 13.68:1 |
Values
| HEX | #401E55 |
| RGB | rgb(64, 30, 85) |
| HSL | hsl(277, 48%, 23%) |
| OKLCH | oklch(31.1% 0.1 310.4) |
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 #401E55 | 13.68:1 | AAA | Lc -103.0 | Preferred for body text |
| Black text on #401E55 | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #401E55 text on white | 13.68:1 | AAA | Lc 99.9 | Preferred for body text |
| #401E55 text on black | 1.53:1 | 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
#F9F3FE
oklch(97.2% 0.016 310.1)
-
Step 100
100
#F1E4FB
oklch(93.6% 0.034 310.7)
-
Step 200
200
#E7CEFA
oklch(88.6% 0.065 310.5)
-
Step 300
300
#D8ABF9
oklch(80.9% 0.117 310.3)
-
Step 400
400
#C579F6
oklch(70.7% 0.189 310.5)
-
Step 500
500
#B64DF2
oklch(63.1% 0.241 310.4)
-
Step 600
600
#A220E1
oklch(55.6% 0.262 310.4)
-
Step 700
700
#8B09C3
oklch(49.1% 0.243 310.5)
-
Step 800
800
#71139E
oklch(42.8% 0.202 310.5)
-
Step 900
900
#5B1C7D
oklch(37.7% 0.157 310.5)
-
Step 950
950 (this color)
#401E55
oklch(31.1% 0.1 310.4)
#401E55 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) | #092C57 | 0.087 |
| Deuteranopia (no green cones) | #182E54 | 0.077 |
| Tritanopia (no blue cones) | #3D2836 | 0.068 |
| Achromatopsia (no color) | #2D2D2D | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401E55
#401E55
oklch(31.1% 0.1 310.4)
- #213800
#213800
oklch(31% 0.084 130.4)
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 #401E55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Plum Purple #4E0550 ΔE 0.048
- Deep Violet #490648 ΔE 0.048
- Eggplant Purple #430541 ΔE 0.055
- Royal Purple #4B006E ΔE 0.063
- Grape Purple #5D1451 ΔE 0.064
- Dark Purple #35063E ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.070
- Aubergine #3D0734 ΔE 0.072
Use #401E55 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.