#422E83
Closest named color: Dark Slate Blue (#483D8B). oklch(37.6% 0.136 289), rgb(66, 46, 131).
Aa
White text reads best on this color (10.76:1).
About this color
#422E83 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.136 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.041 away. White text reads best on it, at 10.76:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.95:1 |
| White text | 10.76:1 |
Values
| HEX | #422E83 |
| RGB | rgb(66, 46, 131) |
| HSL | hsl(254, 48%, 35%) |
| OKLCH | oklch(37.6% 0.136 289) |
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 #422E83 | 10.76:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #422E83 | 1.95:1 | Fails | Lc 9.4 | Not readable |
| #422E83 text on white | 10.76:1 | AAA | Lc 94.5 | Preferred for body text |
| #422E83 text on black | 1.95:1 | Fails | Lc -8.1 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FD
oklch(93.6% 0.03 290)
-
Step 200
200
#D7D4FD
oklch(88.5% 0.056 288.5)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9F8CFF
oklch(70.7% 0.164 289.1)
-
Step 500
500
#8A6AFD
oklch(63.1% 0.209 289)
-
Step 600
600
#764CEC
oklch(55.6% 0.227 288.9)
-
Step 700
700
#643BCD
oklch(49.1% 0.211 289.1)
-
Step 800
800
#5132A6
oklch(42.7% 0.175 289)
-
Step 900
900 (this color)
#422E83
oklch(37.6% 0.136 289)
-
Step 950
950
#261C4D
oklch(26.9% 0.087 288.6)
#422E83 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) | #003F86 | 0.075 |
| Deuteranopia (no green cones) | #003B81 | 0.074 |
| Tritanopia (no blue cones) | #2D4254 | 0.110 |
| Achromatopsia (no color) | #3E3E3E | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422E83
#422E83
oklch(37.6% 0.136 289)
- #454400
#454400
oklch(37.5% 0.081 108.8)
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 #422E83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.041
- Blueberry #464196 ΔE 0.055
- Indigo #4B0082 ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.074
- Cobalt #1E488F ΔE 0.076
- Rebecca Purple #663399 ΔE 0.078
- Twilight Blue #0A437A ΔE 0.080
- Royal Purple #4B006E ΔE 0.082
Use #422E83 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.