#422D7A
Closest named color: Dark Slate Blue (#483D8B). oklch(36.7% 0.125 291.6), rgb(66, 45, 122).
Aa
White text reads best on this color (11.12:1).
About this color
#422D7A is a dark, moderately saturated purple. In OKLCH its lightness is 37%, its chroma 0.125 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.049 away. White text reads best on it, at 11.12:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.88:1 |
| White text | 11.12:1 |
Values
| HEX | #422D7A |
| RGB | rgb(66, 45, 122) |
| HSL | hsl(256, 46%, 33%) |
| OKLCH | oklch(36.7% 0.125 291.6) |
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 #422D7A | 11.12:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #422D7A | 1.88:1 | Fails | Lc 8.5 | Not readable |
| #422D7A text on white | 11.12:1 | AAA | Lc 95.4 | Preferred for body text |
| #422D7A text on black | 1.88:1 | Fails | Lc -7.3 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4FA
oklch(88.6% 0.052 291.3)
-
Step 300
300
#C1B6F9
oklch(80.9% 0.094 291.7)
-
Step 400
400
#A38DF6
oklch(70.7% 0.151 291.7)
-
Step 500
500
#8E6DF2
oklch(63.2% 0.191 291.4)
-
Step 600
600
#7A50E0
oklch(55.6% 0.208 291.6)
-
Step 700
700
#673FC3
oklch(49.1% 0.194 291.5)
-
Step 800
800
#54359E
oklch(42.7% 0.161 291.7)
-
Step 900
900 (this color)
#422D7A
oklch(36.7% 0.125 291.6)
-
Step 950
950
#281D49
oklch(27% 0.079 291.8)
#422D7A 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) | #003D7C | 0.077 |
| Deuteranopia (no green cones) | #003A78 | 0.077 |
| Tritanopia (no blue cones) | #323E4F | 0.099 |
| Achromatopsia (no color) | #3B3B3B | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422D7A
#422D7A
oklch(36.7% 0.125 291.6)
- #414200
#414200
oklch(36.6% 0.08 110.7)
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 #422D7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.049
- Indigo #4B0082 ΔE 0.066
- Blueberry #464196 ΔE 0.066
- Royal Purple #4B006E ΔE 0.075
- Twilight Blue #0A437A ΔE 0.080
- Cobalt #1E488F ΔE 0.083
- Marine Blue #01386A ΔE 0.084
- Imperial Purple #480CA8 ΔE 0.086
Use #422D7A 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.