#422D71
Closest named color: Dark Slate Blue (#483D8B). oklch(36% 0.113 294.3), rgb(66, 45, 113).
Aa
White text reads best on this color (11.37:1).
About this color
#422D71 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.113 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 0.059 away. White text reads best on it, at 11.37:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.84:1 |
| White text | 11.37:1 |
Values
| HEX | #422D71 |
| RGB | rgb(66, 45, 113) |
| HSL | hsl(259, 43%, 31%) |
| OKLCH | oklch(36% 0.113 294.3) |
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 #422D71 | 11.37:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #422D71 | 1.84:1 | Fails | Lc 7.9 | Not readable |
| #422D71 text on white | 11.37:1 | AAA | Lc 96.0 | Preferred for body text |
| #422D71 text on black | 1.84:1 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
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
#C3B6F2
oklch(80.8% 0.085 294.4)
-
Step 400
400
#A68EEC
oklch(70.6% 0.136 294.4)
-
Step 500
500
#926FE6
oklch(63.1% 0.174 294.5)
-
Step 600
600
#7D54D4
oklch(55.6% 0.188 294.2)
-
Step 700
700
#6A43B7
oklch(49% 0.175 294.6)
-
Step 800
800
#563894
oklch(42.6% 0.145 294.5)
-
Step 900
900 (this color)
#422D71
oklch(36% 0.113 294.3)
-
Step 950
950
#291E45
oklch(27% 0.071 294.2)
#422D71 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) | #073B73 | 0.075 |
| Deuteranopia (no green cones) | #0F396F | 0.071 |
| Tritanopia (no blue cones) | #363C4A | 0.091 |
| Achromatopsia (no color) | #3A3A3A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422D71
#422D71
oklch(36% 0.113 294.3)
- #3D4100
#3D4100
oklch(35.9% 0.081 113.7)
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 #422D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Indigo #4B0082 ΔE 0.072
- Royal Purple #4B006E ΔE 0.073
- Blueberry #464196 ΔE 0.077
- Prussian Blue #1D3557 ΔE 0.078
- Marine Blue #01386A ΔE 0.080
- Twilight Blue #0A437A ΔE 0.081
- Grape Purple #5D1451 ΔE 0.087
Use #422D71 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.