#504C72
Closest named color: Dusk (#4E5481). oklch(43.7% 0.062 288.4), rgb(80, 76, 114).
Aa
White text reads best on this color (8.02:1).
About this color
#504C72 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.030 away. White text reads best on it, at 8.02:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.61:1 |
| White text | 8.02:1 |
Values
| HEX | #504C72 |
| RGB | rgb(80, 76, 114) |
| HSL | hsl(246, 20%, 37%) |
| OKLCH | oklch(43.7% 0.062 288.4) |
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 #504C72 | 8.02:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #504C72 | 2.61:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #504C72 text on white | 8.02:1 | AAA | Lc 87.8 | Fine for body text |
| #504C72 text on black | 2.61:1 | Fails | Lc -14.4 | 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
#E9E9F1
oklch(93.6% 0.011 286.2)
-
Step 200
200
#D8D7E6
oklch(88.4% 0.02 289)
-
Step 300
300
#BFBDD7
oklch(80.8% 0.036 289.1)
-
Step 400
400
#9E9BC3
oklch(70.6% 0.058 288.3)
-
Step 500
500
#8782B4
oklch(63% 0.075 288.6)
-
Step 600
600
#716CA0
oklch(55.7% 0.08 287.9)
-
Step 700
700
#5F5A89
oklch(49.2% 0.074 288.2)
-
Step 800
800 (this color)
#504C72
oklch(43.7% 0.062 288.4)
-
Step 900
900
#403D5A
oklch(37.6% 0.049 288.5)
-
Step 950
950
#262435
oklch(27% 0.031 289.5)
#504C72 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) | #425174 | 0.024 |
| Deuteranopia (no green cones) | #414F71 | 0.024 |
| Tritanopia (no blue cones) | #48535A | 0.053 |
| Achromatopsia (no color) | #505050 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504C72
#504C72
oklch(43.7% 0.062 288.4)
- #55542A
#55542A
oklch(43.6% 0.061 107.5)
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 #504C72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.030
- Dusty Grape #545775 ΔE 0.033
- Twilight #4E518B ΔE 0.041
- YInMn Blue #415A77 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.063
- Dusk Blue #26538D ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.067
Use #504C72 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.