#422D66
Closest named color: Prussian Blue (#1D3557). oklch(35.2% 0.097 298.3), rgb(66, 45, 102).
Aa
White text reads best on this color (11.67:1).
About this color
#422D66 is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.097 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.068 away. White text reads best on it, at 11.67:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.79:1 |
| White text | 11.67:1 |
Values
| HEX | #422D66 |
| RGB | rgb(66, 45, 102) |
| HSL | hsl(262, 39%, 29%) |
| OKLCH | oklch(35.2% 0.097 298.3) |
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 #422D66 | 11.67:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #422D66 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #422D66 text on white | 11.67:1 | AAA | Lc 96.6 | Preferred for body text |
| #422D66 text on black | 1.79:1 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4F1
oklch(88.5% 0.04 298.2)
-
Step 300
300
#C6B7EA
oklch(80.9% 0.073 298.2)
-
Step 400
400
#AA90DF
oklch(70.7% 0.116 298.5)
-
Step 500
500
#9672D6
oklch(63% 0.149 298.7)
-
Step 600
600
#8159C4
oklch(55.7% 0.161 298.2)
-
Step 700
700
#6D48A9
oklch(49.1% 0.15 298.3)
-
Step 800
800
#593C89
oklch(42.8% 0.124 298.4)
-
Step 900
900 (this color)
#422D66
oklch(35.2% 0.097 298.3)
-
Step 950
950
#2A1F40
oklch(27% 0.061 297.6)
#422D66 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) | #173868 | 0.066 |
| Deuteranopia (no green cones) | #1D3865 | 0.061 |
| Tritanopia (no blue cones) | #3A3845 | 0.075 |
| Achromatopsia (no color) | #383838 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422D66
#422D66
oklch(35.2% 0.097 298.3)
- #374000
#374000
oklch(35.1% 0.082 118.3)
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 #422D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.073
- Royal Purple #4B006E ΔE 0.077
- Grape Purple #5D1451 ΔE 0.078
- Space Cadet #2B2D42 ΔE 0.078
- Marine Blue #01386A ΔE 0.079
- Plum Purple #4E0550 ΔE 0.083
- Marine #042E60 ΔE 0.084
Use #422D66 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.