#422C79
Closest named color: Dark Slate Blue (#483D8B). oklch(36.4% 0.125 292.2), rgb(66, 44, 121).
Aa
White text reads best on this color (11.24:1).
About this color
#422C79 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, 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 0.052 away. White text reads best on it, at 11.24:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #422C79 |
| RGB | rgb(66, 44, 121) |
| HSL | hsl(257, 47%, 32%) |
| OKLCH | oklch(36.4% 0.125 292.2) |
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 #422C79 | 11.24:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #422C79 | 1.86:1 | Fails | Lc 8.3 | Not readable |
| #422C79 text on white | 11.24:1 | AAA | Lc 95.6 | Preferred for body text |
| #422C79 text on black | 1.86:1 | 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
#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
#C2B6F9
oklch(81% 0.094 292.4)
-
Step 400
400
#A48DF5
oklch(70.7% 0.149 292.3)
-
Step 500
500
#8F6CF1
oklch(63% 0.192 292.1)
-
Step 600
600
#7B4FE0
oklch(55.6% 0.209 292.2)
-
Step 700
700
#683FC3
oklch(49.2% 0.194 292)
-
Step 800
800
#55359D
oklch(42.7% 0.16 292.4)
-
Step 900
900 (this color)
#422C79
oklch(36.4% 0.125 292.2)
-
Step 950
950
#281D49
oklch(27% 0.079 291.8)
#422C79 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) | #003C7B | 0.078 |
| Deuteranopia (no green cones) | #003977 | 0.078 |
| Tritanopia (no blue cones) | #323D4E | 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°).
- #422C79
#422C79
oklch(36.4% 0.125 292.2)
- #3F4200
#3F4200
oklch(36.4% 0.081 112.7)
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 #422C79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.052
- Indigo #4B0082 ΔE 0.065
- Blueberry #464196 ΔE 0.069
- Royal Purple #4B006E ΔE 0.072
- Twilight Blue #0A437A ΔE 0.082
- Marine Blue #01386A ΔE 0.084
- Cobalt #1E488F ΔE 0.085
- Imperial Purple #480CA8 ΔE 0.087
Use #422C79 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.