#504D5C
Closest named color: Dusty Grape (#545775). oklch(42.9% 0.025 294.5), rgb(80, 77, 92).
Aa
White text reads best on this color (8.21:1).
About this color
#504D5C is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.045 away. White text reads best on it, at 8.21:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #504D5C |
| RGB | rgb(80, 77, 92) |
| HSL | hsl(252, 9%, 33%) |
| OKLCH | oklch(42.9% 0.025 294.5) |
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 #504D5C | 8.21:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #504D5C | 2.55:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #504D5C text on white | 8.21:1 | AAA | Lc 88.4 | Fine for body text |
| #504D5C text on black | 2.55:1 | Fails | Lc -13.8 | 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
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C1BFC9
oklch(80.9% 0.014 295.3)
-
Step 400
400
#A19EAE
oklch(70.7% 0.023 294.4)
-
Step 500
500
#8A869A
oklch(63% 0.03 294.7)
-
Step 600
600
#747085
oklch(55.6% 0.032 294.1)
-
Step 700
700
#615E70
oklch(49.1% 0.029 293)
-
Step 800
800 (this color)
#504D5C
oklch(42.9% 0.025 294.5)
-
Step 900
900
#42404B
oklch(37.8% 0.019 293.8)
-
Step 950
950
#27252C
oklch(27% 0.013 298.6)
#504D5C 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) | #4A4F5D | 0.010 |
| Deuteranopia (no green cones) | #4A4F5C | 0.011 |
| Tritanopia (no blue cones) | #4E4F52 | 0.020 |
| Achromatopsia (no color) | #4F4F4F | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504D5C
#504D5C
oklch(42.9% 0.025 294.5)
- #4F5142
#4F5142
oklch(42.8% 0.024 113.6)
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 #504D5C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.045
- YInMn Blue #415A77 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dusk #4E5481 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.063
- Charcoal #264653 ΔE 0.068
- Purple Brown #673A3F ΔE 0.068
Use #504D5C 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.