#504D77
Closest named color: Dusk (#4E5481). oklch(44.2% 0.068 286.5), rgb(80, 77, 119).
Aa
White text reads best on this color (7.86:1).
About this color
#504D77 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.068 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.023 away. White text reads best on it, at 7.86:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 2.66:1 |
| White text | 7.86:1 |
Values
| HEX | #504D77 |
| RGB | rgb(80, 77, 119) |
| HSL | hsl(244, 21%, 38%) |
| OKLCH | oklch(44.2% 0.068 286.5) |
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 #504D77 | 7.86:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #504D77 | 2.66:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #504D77 text on white | 7.86:1 | AAA | Lc 87.3 | Fine for body text |
| #504D77 text on black | 2.66:1 | Fails | Lc -14.9 | 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
#D7D7E8
oklch(88.4% 0.023 285.9)
-
Step 300
300
#BEBDDA
oklch(80.8% 0.041 287)
-
Step 400
400
#9D9BC7
oklch(70.7% 0.064 286.7)
-
Step 500
500
#8582B9
oklch(63.1% 0.082 286.3)
-
Step 600
600
#6F6BA5
oklch(55.6% 0.089 286.3)
-
Step 700
700
#5D598D
oklch(49% 0.082 286.5)
-
Step 800
800 (this color)
#504D77
oklch(44.2% 0.068 286.5)
-
Step 900
900
#3F3D5D
oklch(37.6% 0.054 286.3)
-
Step 950
950
#252436
oklch(27% 0.033 286.5)
#504D77 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) | #415379 | 0.026 |
| Deuteranopia (no green cones) | #405076 | 0.025 |
| Tritanopia (no blue cones) | #46555C | 0.060 |
| Achromatopsia (no color) | #525252 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D77
#504D77
oklch(44.2% 0.068 286.5)
- #585525
#585525
oklch(44.1% 0.068 105.6)
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 #504D77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.023
- Dusty Grape #545775 ΔE 0.032
- Twilight #4E518B ΔE 0.033
- YInMn Blue #415A77 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
- Dusk Blue #26538D ΔE 0.060
- Dusky Blue #475F94 ΔE 0.062
Use #504D77 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.