#422A88
Closest named color: Dark Slate Blue (#483D8B). oklch(37.3% 0.148 288.9), rgb(66, 42, 136).
Aa
White text reads best on this color (10.94:1).
About this color
#422A88 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.148 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.047 away. White text reads best on it, at 10.94:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.91:1 |
| White text | 10.94:1 |
Values
| HEX | #422A88 |
| RGB | rgb(66, 42, 136) |
| HSL | hsl(255, 53%, 35%) |
| OKLCH | oklch(37.3% 0.148 288.9) |
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 #422A88 | 10.94:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #422A88 | 1.91:1 | Fails | Lc 9.1 | Not readable |
| #422A88 text on white | 10.94:1 | AAA | Lc 94.8 | Preferred for body text |
| #422A88 text on black | 1.91:1 | Fails | Lc -7.8 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D3FF
oklch(88.4% 0.06 289.3)
-
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
#8A69FF
oklch(63.1% 0.213 288.9)
-
Step 600
600
#7744F6
oklch(55.5% 0.246 288.8)
-
Step 700
700
#6533D7
oklch(49.1% 0.23 288.8)
-
Step 800
800
#522DAD
oklch(42.7% 0.189 289)
-
Step 900
900 (this color)
#422A88
oklch(37.3% 0.148 288.9)
-
Step 950
950
#271B50
oklch(27.1% 0.093 289.1)
#422A88 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) | #003E8B | 0.078 |
| Deuteranopia (no green cones) | #003A86 | 0.076 |
| Tritanopia (no blue cones) | #294155 | 0.120 |
| Achromatopsia (no color) | #3C3C3C | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422A88
#422A88
oklch(37.3% 0.148 288.9)
- #444400
#444400
oklch(37.4% 0.082 109.8)
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 #422A88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.047
- Indigo #4B0082 ΔE 0.059
- Blueberry #464196 ΔE 0.059
- Imperial Purple #480CA8 ΔE 0.062
- Indigo Blue #3A18B1 ΔE 0.074
- Chrysanthemum #560BAD ΔE 0.075
- Sapphire #2138AB ΔE 0.078
- Rebecca Purple #663399 ΔE 0.078
Use #422A88 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.