#4D4381
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.1 288.8), rgb(77, 67, 129).
Aa
White text reads best on this color (8.62:1).
About this color
#4D4381 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.100 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.027 away. White text reads best on it, at 8.62:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #4D4381 |
| RGB | rgb(77, 67, 129) |
| HSL | hsl(250, 32%, 38%) |
| OKLCH | oklch(42.4% 0.1 288.8) |
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 #4D4381 | 8.62:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #4D4381 | 2.43:1 | Fails | Lc 14.5 | Not readable |
| #4D4381 text on white | 8.62:1 | AAA | Lc 89.5 | Fine for body text |
| #4D4381 text on black | 2.43:1 | Fails | Lc -12.8 | 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 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
#D8D6EE
oklch(88.5% 0.033 289.5)
-
Step 300
300
#BFBBE5
oklch(80.9% 0.059 289.4)
-
Step 400
400
#9E97D8
oklch(70.7% 0.094 288.7)
-
Step 500
500
#877CCD
oklch(63% 0.12 288.7)
-
Step 600
600
#7264BA
oklch(55.6% 0.13 288.9)
-
Step 700
700
#6053A0
oklch(49.2% 0.12 289)
-
Step 800
800 (this color)
#4D4381
oklch(42.4% 0.1 288.8)
-
Step 900
900
#403A68
oklch(37.7% 0.077 288.1)
-
Step 950
950
#26223D
oklch(27% 0.049 289.5)
#4D4381 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 | 0.050 |
| Deuteranopia (no green cones) | #2C4A80 | 0.048 |
| Tritanopia (no blue cones) | #3F4F5C | 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°).
- #4D4381
#4D4381
oklch(42.4% 0.1 288.8)
- #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 #4D4381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.027
- Blueberry #464196 ΔE 0.038
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.049
- Dusk Blue #26538D ΔE 0.062
- Cobalt #1E488F ΔE 0.062
- Dusty Grape #545775 ΔE 0.068
- Light Navy #155084 ΔE 0.069
Use #4D4381 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.