#504E66
Closest named color: Dusty Grape (#545775). oklch(43.5% 0.039 288.5), rgb(80, 78, 102).
Aa
White text reads best on this color (8.00:1).
About this color
#504E66 is a dark, muted purple. In OKLCH its lightness is 44%, its chroma 0.039 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.033 away. White text reads best on it, at 8.00:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #504E66 |
| RGB | rgb(80, 78, 102) |
| HSL | hsl(245, 13%, 35%) |
| OKLCH | oklch(43.5% 0.039 288.5) |
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 #504E66 | 8.00:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #504E66 | 2.62:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #504E66 text on white | 8.00:1 | AAA | Lc 87.8 | Fine for body text |
| #504E66 text on black | 2.62:1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D8D8E1
oklch(88.5% 0.012 286.1)
-
Step 300
300
#BFBFCF
oklch(81% 0.022 285.9)
-
Step 400
400
#9F9DB7
oklch(70.6% 0.038 288.9)
-
Step 500
500
#8885A5
oklch(63.1% 0.048 289.2)
-
Step 600
600
#726F90
oklch(55.7% 0.051 288.8)
-
Step 700
700
#5F5D7A
oklch(49.1% 0.046 287.7)
-
Step 800
800 (this color)
#504E66
oklch(43.5% 0.039 288.5)
-
Step 900
900
#413F51
oklch(37.7% 0.031 289.9)
-
Step 950
950
#262530
oklch(27% 0.02 289.1)
#504E66 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) | #485167 | 0.014 |
| Deuteranopia (no green cones) | #485065 | 0.014 |
| Tritanopia (no blue cones) | #4B5256 | 0.034 |
| Achromatopsia (no color) | #505050 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504E66
#504E66
oklch(43.5% 0.039 288.5)
- #53533A
#53533A
oklch(43.5% 0.039 107.9)
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 #504E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.042
- Dusk #4E5481 ΔE 0.044
- Twilight #4E518B ΔE 0.060
- Dark Slate Gray #2F4F4F ΔE 0.064
- Dark Grey Blue #29465B ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.067
- Slate #516572 ΔE 0.068
Use #504E66 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.