#4C4381
Closest named color: Dark Slate Blue (#483D8B). oklch(42.3% 0.1 288), rgb(76, 67, 129).
Aa
White text reads best on this color (8.65:1).
About this color
#4C4381 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.026 away. White text reads best on it, at 8.65:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #4C4381 |
| RGB | rgb(76, 67, 129) |
| HSL | hsl(249, 32%, 38%) |
| OKLCH | oklch(42.3% 0.1 288) |
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 #4C4381 | 8.65:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #4C4381 | 2.42:1 | Fails | Lc 14.4 | Not readable |
| #4C4381 text on white | 8.65:1 | AAA | Lc 89.6 | Fine for body text |
| #4C4381 text on black | 2.42:1 | Fails | Lc -12.7 | 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 800.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D7D6EE
oklch(88.4% 0.033 287.6)
-
Step 300
300
#BEBBE5
oklch(80.8% 0.059 288.3)
-
Step 400
400
#9D97D8
oklch(70.6% 0.094 288)
-
Step 500
500
#867DCE
oklch(63.2% 0.12 287.5)
-
Step 600
600
#7164BB
oklch(55.6% 0.132 288.2)
-
Step 700
700
#5F53A1
oklch(49.2% 0.121 288.2)
-
Step 800
800 (this color)
#4C4381
oklch(42.3% 0.1 288)
-
Step 900
900
#403A69
oklch(37.8% 0.079 287.9)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#4C4381 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) | #2C4D83 | 0.048 |
| Deuteranopia (no green cones) | #2C4A80 | 0.047 |
| Tritanopia (no blue cones) | #3D4F5C | 0.083 |
| Achromatopsia (no color) | #4C4C4C | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C4381
#4C4381
oklch(42.3% 0.1 288)
- #535100
#535100
oklch(42.3% 0.091 108.1)
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 #4C4381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.026
- Blueberry #464196 ΔE 0.037
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.049
- Cobalt #1E488F ΔE 0.061
- Dusk Blue #26538D ΔE 0.061
- Light Navy #155084 ΔE 0.067
- Dusty Grape #545775 ΔE 0.068
Use #4C4381 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.