#504D66
Closest named color: Dusty Grape (#545775). oklch(43.3% 0.041 290.1), rgb(80, 77, 102).
Aa
White text reads best on this color (8.09:1).
About this color
#504D66 is a dark, muted purple. In OKLCH its lightness is 43%, its chroma 0.041 and its hue 290°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.035 away. White text reads best on it, at 8.09:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.59:1 |
| White text | 8.09:1 |
Values
| HEX | #504D66 |
| RGB | rgb(80, 77, 102) |
| HSL | hsl(247, 14%, 35%) |
| OKLCH | oklch(43.3% 0.041 290.1) |
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 #504D66 | 8.09:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #504D66 | 2.59:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #504D66 text on white | 8.09:1 | AAA | Lc 88.0 | Fine for body text |
| #504D66 text on black | 2.59:1 | Fails | Lc -14.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D9D8E2
oklch(88.6% 0.014 290.7)
-
Step 300
300
#C0BECF
oklch(80.8% 0.024 291.3)
-
Step 400
400
#A09DB7
oklch(70.7% 0.038 290.7)
-
Step 500
500
#8985A6
oklch(63.2% 0.049 290.5)
-
Step 600
600
#726E91
oklch(55.5% 0.054 289.8)
-
Step 700
700
#605C7B
oklch(49.1% 0.049 290.4)
-
Step 800
800 (this color)
#504D66
oklch(43.3% 0.041 290.1)
-
Step 900
900
#413F52
oklch(37.7% 0.032 289.6)
-
Step 950
950
#262530
oklch(27% 0.02 289.1)
#504D66 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) | #475067 | 0.015 |
| Deuteranopia (no green cones) | #474F65 | 0.015 |
| Tritanopia (no blue cones) | #4B5156 | 0.034 |
| Achromatopsia (no color) | #505050 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D66
#504D66
oklch(43.3% 0.041 290.1)
- #525338
#525338
oklch(43.4% 0.042 109.8)
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 #504D66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.044
- Dusk #4E5481 ΔE 0.044
- Twilight #4E518B ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.065
- Light Navy Blue #2E5A88 ΔE 0.068
- Slate #516572 ΔE 0.071
Use #504D66 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.