#401B6B
Closest named color: Royal Purple (#4B006E). oklch(32.4% 0.131 300.2), rgb(64, 27, 107).
Aa
White text reads best on this color (13.23:1).
About this color
#401B6B is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.131 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.039 away. White text reads best on it, at 13.23:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.131) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.58:1 |
| White text | 13.23:1 |
Values
| HEX | #401B6B |
| RGB | rgb(64, 27, 107) |
| HSL | hsl(268, 60%, 26%) |
| OKLCH | oklch(32.4% 0.131 300.2) |
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 #401B6B | 13.23:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #401B6B | 1.58:1 | Fails | Lc 0.0 | Not readable |
| #401B6B text on white | 13.23:1 | AAA | Lc 99.0 | Preferred for body text |
| #401B6B text on black | 1.58:1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#ECE6FB
oklch(93.6% 0.029 298.9)
-
Step 200
200
#DED2F9
oklch(88.6% 0.054 299.3)
-
Step 300
300
#CAB2F7
oklch(80.8% 0.099 300.2)
-
Step 400
400
#B187F3
oklch(70.7% 0.158 300.4)
-
Step 500
500
#9F64EE
oklch(63.1% 0.201 300.5)
-
Step 600
600
#8A45DD
oklch(55.6% 0.219 300)
-
Step 700
700
#7635BF
oklch(49.1% 0.203 300.5)
-
Step 800
800
#602E9B
oklch(42.8% 0.168 300.4)
-
Step 900
900 (this color)
#401B6B
oklch(32.4% 0.131 300.2)
-
Step 950
950
#2D1A48
oklch(26.9% 0.083 299.9)
#401B6B 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) | #00306D | 0.091 |
| Deuteranopia (no green cones) | #002F69 | 0.092 |
| Tritanopia (no blue cones) | #362F41 | 0.098 |
| Achromatopsia (no color) | #303030 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401B6B
#401B6B
oklch(32.4% 0.131 300.2)
- #2F3900
#2F3900
oklch(32.4% 0.077 120)
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 #401B6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.039
- Indigo #4B0082 ΔE 0.050
- Plum Purple #4E0550 ΔE 0.065
- Deep Violet #490648 ΔE 0.073
- Midnight Blue #191970 ΔE 0.075
- Grape Purple #5D1451 ΔE 0.080
- Eggplant Purple #430541 ΔE 0.083
- Dark Indigo #1F0954 ΔE 0.091
Use #401B6B 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.