#422E91
Closest named color: Dark Slate Blue (#483D8B). oklch(38.8% 0.155 286), rgb(66, 46, 145).
Aa
White text reads best on this color (10.33:1).
About this color
#422E91 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.155 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.040 away. White text reads best on it, at 10.33:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #422E91 |
| RGB | rgb(66, 46, 145) |
| HSL | hsl(252, 52%, 37%) |
| OKLCH | oklch(38.8% 0.155 286) |
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 #422E91 | 10.33:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #422E91 | 2.03:1 | Fails | Lc 10.5 | Not readable |
| #422E91 text on white | 10.33:1 | AAA | Lc 93.5 | Preferred for body text |
| #422E91 text on black | 2.03:1 | Fails | Lc -9.1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E7E7FF
oklch(93.5% 0.032 285.8)
-
Step 200
200
#D5D4FF
oklch(88.5% 0.059 286.2)
-
Step 300
300
#BBB7FF
oklch(80.9% 0.101 286.5)
-
Step 400
400
#9A8FFF
oklch(70.8% 0.16 286)
-
Step 500
500
#846DFF
oklch(63.2% 0.208 286)
-
Step 600
600
#7142FE
oklch(55.5% 0.257 285.9)
-
Step 700
700
#6031DE
oklch(49.1% 0.239 286)
-
Step 800
800
#4E2CB3
oklch(42.8% 0.198 286.1)
-
Step 900
900 (this color)
#422E91
oklch(38.8% 0.155 286)
-
Step 950
950
#251B53
oklch(27.1% 0.097 286.1)
#422E91 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) | #004394 | 0.075 |
| Deuteranopia (no green cones) | #003D8F | 0.071 |
| Tritanopia (no blue cones) | #22475B | 0.128 |
| Achromatopsia (no color) | #404040 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422E91
#422E91
oklch(38.8% 0.155 286)
- #4B4700
#4B4700
oklch(38.9% 0.083 106)
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 #422E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.040
- Blueberry #464196 ΔE 0.046
- Imperial Purple #480CA8 ΔE 0.056
- Indigo Blue #3A18B1 ΔE 0.063
- Sapphire #2138AB ΔE 0.064
- Chrysanthemum #560BAD ΔE 0.067
- Indigo #4B0082 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.071
Use #422E91 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.