#401B50
Closest named color: Deep Violet (#490648). oklch(30.3% 0.099 314.3), rgb(64, 27, 80).
Aa
White text reads best on this color (14.08:1).
About this color
#401B50 is a dark, moderately saturated purple. In OKLCH its lightness is 30%, its chroma 0.099 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Violet (#490648), ΔE 0.040 away. White text reads best on it, at 14.08:1.
| Hue family | Purples |
| Lightness | dark (30%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Deep Violet (#490648) |
| Black text | 1.49:1 |
| White text | 14.08:1 |
Values
| HEX | #401B50 |
| RGB | rgb(64, 27, 80) |
| HSL | hsl(282, 50%, 21%) |
| OKLCH | oklch(30.3% 0.099 314.3) |
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 #401B50 | 14.08:1 | AAA | Lc -103.5 | Preferred for body text |
| Black text on #401B50 | 1.49:1 | Fails | Lc 0.0 | Not readable |
| #401B50 text on white | 14.08:1 | AAA | Lc 100.4 | Preferred for body text |
| #401B50 text on black | 1.49:1 | 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
#F9F3FD
oklch(97.2% 0.015 312.2)
-
Step 100
100
#F2E4FA
oklch(93.6% 0.033 313.5)
-
Step 200
200
#E9CDF8
oklch(88.5% 0.065 313.9)
-
Step 300
300
#DCAAF5
oklch(80.9% 0.116 314.1)
-
Step 400
400
#CA77F0
oklch(70.6% 0.187 314.2)
-
Step 500
500
#BC4BEB
oklch(63.1% 0.239 314.2)
-
Step 600
600
#A81DD9
oklch(55.7% 0.259 314.3)
-
Step 700
700
#9003BC
oklch(49.1% 0.241 314.3)
-
Step 800
800
#751098
oklch(42.7% 0.2 314.4)
-
Step 900
900
#5E1B79
oklch(37.7% 0.155 314)
-
Step 950
950 (this color)
#401B50
oklch(30.3% 0.099 314.3)
#401B50 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) | #0A2952 | 0.090 |
| Deuteranopia (no green cones) | #192C4F | 0.079 |
| Tritanopia (no blue cones) | #3F2432 | 0.065 |
| Achromatopsia (no color) | #2B2B2B | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401B50
#401B50
oklch(30.3% 0.099 314.3)
- #1A3700
#1A3700
oklch(30.2% 0.087 134.2)
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 #401B50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Violet #490648 ΔE 0.040
- Plum Purple #4E0550 ΔE 0.043
- Eggplant Purple #430541 ΔE 0.045
- Dark Purple #35063E ΔE 0.059
- Aubergine #3D0734 ΔE 0.061
- Eggplant #380835 ΔE 0.063
- Grape Purple #5D1451 ΔE 0.063
- Deep Purple #36013F ΔE 0.064
Use #401B50 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.