#422F87
Closest named color: Dark Slate Blue (#483D8B). oklch(38.1% 0.14 287.8), rgb(66, 47, 135).
Aa
White text reads best on this color (10.56:1).
About this color
#422F87 is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.140 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 10.56:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #422F87 |
| RGB | rgb(66, 47, 135) |
| HSL | hsl(253, 48%, 36%) |
| OKLCH | oklch(38.1% 0.14 287.8) |
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 #422F87 | 10.56:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #422F87 | 1.98:1 | Fails | Lc 9.9 | Not readable |
| #422F87 text on white | 10.56:1 | AAA | Lc 94.1 | Preferred for body text |
| #422F87 text on black | 1.98:1 | Fails | Lc -8.5 | 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
#E8E7FE
oklch(93.6% 0.031 287.8)
-
Step 200
200
#D6D4FE
oklch(88.5% 0.058 287.3)
-
Step 300
300
#BDB7FF
oklch(81% 0.101 287.7)
-
Step 400
400
#9D8DFF
oklch(70.7% 0.163 287.9)
-
Step 500
500
#886BFF
oklch(63.2% 0.21 287.8)
-
Step 600
600
#744BF0
oklch(55.6% 0.232 287.7)
-
Step 700
700
#623AD1
oklch(49.1% 0.216 287.8)
-
Step 800
800
#4F31A9
oklch(42.6% 0.18 287.6)
-
Step 900
900 (this color)
#422F87
oklch(38.1% 0.14 287.8)
-
Step 950
950
#261C4E
oklch(27% 0.088 288.2)
#422F87 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) | #00418A | 0.074 |
| Deuteranopia (no green cones) | #003C85 | 0.072 |
| Tritanopia (no blue cones) | #2A4456 | 0.115 |
| Achromatopsia (no color) | #3F3F3F | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #422F87
#422F87
oklch(38.1% 0.14 287.8)
- #474500
#474500
oklch(38% 0.082 107.9)
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 #422F87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Blueberry #464196 ΔE 0.050
- Indigo #4B0082 ΔE 0.069
- Imperial Purple #480CA8 ΔE 0.070
- Cobalt #1E488F ΔE 0.073
- Rebecca Purple #663399 ΔE 0.075
- Sapphire #2138AB ΔE 0.076
- Indigo Blue #3A18B1 ΔE 0.079
Use #422F87 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.