#504773
Closest named color: Dusk (#4E5481). oklch(42.6% 0.072 292.5), rgb(80, 71, 115).
Aa
White text reads best on this color (8.43:1).
About this color
#504773 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.072 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.039 away. White text reads best on it, at 8.43:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.48:1 |
| White text | 8.43:1 |
Values
| HEX | #504773 |
| RGB | rgb(80, 71, 115) |
| HSL | hsl(252, 24%, 36%) |
| OKLCH | oklch(42.6% 0.072 292.5) |
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 #504773 | 8.43:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #504773 | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #504773 text on white | 8.43:1 | AAA | Lc 89.0 | Fine for body text |
| #504773 text on black | 2.48:1 | Fails | Lc -13.2 | 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
#EAE8F2
oklch(93.5% 0.014 295.3)
-
Step 200
200
#D9D7E8
oklch(88.6% 0.023 291.3)
-
Step 300
300
#C1BCDA
oklch(80.9% 0.042 293.1)
-
Step 400
400
#A199C8
oklch(70.6% 0.068 292.4)
-
Step 500
500
#8B80BA
oklch(63.2% 0.087 292.4)
-
Step 600
600
#7568A6
oklch(55.5% 0.095 292.7)
-
Step 700
700
#62578E
oklch(49.1% 0.087 292.1)
-
Step 800
800 (this color)
#504773
oklch(42.6% 0.072 292.5)
-
Step 900
900
#423C5D
oklch(37.7% 0.056 291.8)
-
Step 950
950
#272336
oklch(27% 0.035 293.6)
#504773 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) | #3B4E75 | 0.035 |
| Deuteranopia (no green cones) | #3C4C72 | 0.033 |
| Tritanopia (no blue cones) | #484F57 | 0.061 |
| Achromatopsia (no color) | #4D4D4D | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504773
#504773
oklch(42.6% 0.072 292.5)
- #4F5320
#4F5320
oklch(42.7% 0.073 113.2)
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 #504773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.039
- Twilight #4E518B ΔE 0.044
- Dusty Grape #545775 ΔE 0.048
- Dark Slate Blue #483D8B ΔE 0.055
- YInMn Blue #415A77 ΔE 0.057
- Blueberry #464196 ΔE 0.065
- Light Navy Blue #2E5A88 ΔE 0.067
- Dusk Blue #26538D ΔE 0.067
Use #504773 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.