#422E71
Closest named color: Dark Slate Blue (#483D8B). oklch(36.1% 0.111 293.9), rgb(66, 46, 113).
Aa
White text reads best on this color (11.28:1).
About this color
#422E71 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.111 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.057 away. White text reads best on it, at 11.28:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #422E71 |
| RGB | rgb(66, 46, 113) |
| HSL | hsl(258, 42%, 31%) |
| OKLCH | oklch(36.1% 0.111 293.9) |
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 #422E71 | 11.28:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #422E71 | 1.86:1 | Fails | Lc 8.1 | Not readable |
| #422E71 text on white | 11.28:1 | AAA | Lc 95.8 | Preferred for body text |
| #422E71 text on black | 1.86:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F6
oklch(88.5% 0.047 293.5)
-
Step 300
300
#C3B7F2
oklch(81% 0.083 293.8)
-
Step 400
400
#A58FEB
oklch(70.7% 0.133 293.7)
-
Step 500
500
#9170E5
oklch(63.1% 0.171 294)
-
Step 600
600
#7C55D3
oklch(55.6% 0.185 293.8)
-
Step 700
700
#6944B7
oklch(49.1% 0.173 293.9)
-
Step 800
800
#553994
oklch(42.7% 0.143 293.6)
-
Step 900
900 (this color)
#422E71
oklch(36.1% 0.111 293.9)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#422E71 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) | #0B3B73 | 0.072 |
| Deuteranopia (no green cones) | #123970 | 0.068 |
| Tritanopia (no blue cones) | #363C4A | 0.089 |
| Achromatopsia (no color) | #3B3B3B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422E71
#422E71
oklch(36.1% 0.111 293.9)
- #3D4200
#3D4200
oklch(36.2% 0.082 114.5)
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 #422E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.057
- Indigo #4B0082 ΔE 0.074
- Royal Purple #4B006E ΔE 0.075
- Blueberry #464196 ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.077
- Marine Blue #01386A ΔE 0.079
- Twilight Blue #0A437A ΔE 0.080
- Marine #042E60 ΔE 0.088
Use #422E71 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.