#4D4573
Closest named color: Dusk (#4E5481). oklch(41.9% 0.076 290.7), rgb(77, 69, 115).
Aa
White text reads best on this color (8.69:1).
About this color
#4D4573 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.076 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.045 away. White text reads best on it, at 8.69:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #4D4573 |
| RGB | rgb(77, 69, 115) |
| HSL | hsl(250, 25%, 36%) |
| OKLCH | oklch(41.9% 0.076 290.7) |
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 #4D4573 | 8.69:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4D4573 | 2.41:1 | Fails | Lc 14.2 | Not readable |
| #4D4573 text on white | 8.69:1 | AAA | Lc 89.8 | Fine for body text |
| #4D4573 text on black | 2.41:1 | Fails | Lc -12.5 | 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 800.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D9D7E9
oklch(88.6% 0.025 291)
-
Step 300
300
#C0BCDC
oklch(80.9% 0.045 291.1)
-
Step 400
400
#A099CA
oklch(70.6% 0.071 291)
-
Step 500
500
#8980BC
oklch(63.1% 0.089 290.5)
-
Step 600
600
#7368A8
oklch(55.5% 0.098 290.7)
-
Step 700
700
#615791
oklch(49.2% 0.092 290.5)
-
Step 800
800 (this color)
#4D4573
oklch(41.9% 0.076 290.7)
-
Step 900
900
#413C5F
oklch(37.7% 0.059 289.8)
-
Step 950
950
#262337
oklch(26.9% 0.037 290.6)
#4D4573 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) | #374C75 | 0.036 |
| Deuteranopia (no green cones) | #384A72 | 0.034 |
| Tritanopia (no blue cones) | #444D56 | 0.063 |
| Achromatopsia (no color) | #4B4B4B | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4573
#4D4573
oklch(41.9% 0.076 290.7)
- #4F501A
#4F501A
oklch(41.8% 0.075 110.2)
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 #4D4573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.045
- Twilight #4E518B ΔE 0.047
- Dark Slate Blue #483D8B ΔE 0.050
- Dusty Grape #545775 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.062
- Blueberry #464196 ΔE 0.062
- Dusk Blue #26538D ΔE 0.067
- Light Navy #155084 ΔE 0.069
Use #4D4573 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.