#524E50
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.8% 0.006 345.5), rgb(82, 78, 80).
Aa
White text reads best on this color (8.18:1).
About this color
#524E50 is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.006. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.050 away. White text reads best on it, at 8.18:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.006) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #524E50 |
| RGB | rgb(82, 78, 80) |
| HSL | hsl(330, 3%, 31%) |
| OKLCH | oklch(42.8% 0.006 345.5) |
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 #524E50 | 8.18:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #524E50 | 2.56:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #524E50 text on white | 8.18:1 | AAA | Lc 88.3 | Fine for body text |
| #524E50 text on black | 2.56:1 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EAE9EA
oklch(93.5% 0.002 325.6)
-
Step 200
200
#DAD8D9
oklch(88.4% 0.003 345.2)
-
Step 300
300
#C2C0C1
oklch(81% 0.003 345.2)
-
Step 400
400
#A39FA1
oklch(70.6% 0.005 345.3)
-
Step 500
500
#8D888A
oklch(63.2% 0.007 350.9)
-
Step 600
600
#777174
oklch(55.5% 0.009 345.5)
-
Step 700
700
#645F62
oklch(49.1% 0.008 340.6)
-
Step 800
800 (this color)
#524E50
oklch(42.8% 0.006 345.5)
-
Step 900
900
#444142
oklch(37.9% 0.004 354.9)
-
Step 950
950
#282627
oklch(27.1% 0.003 345.5)
#524E50 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) | #4E4F50 | 0.007 |
| Deuteranopia (no green cones) | #4F4F50 | 0.006 |
| Tritanopia (no blue cones) | #534E4F | 0.002 |
| Achromatopsia (no color) | #4F4F4F | 0.006 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #524E50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.059
- Dusty Grape #545775 ΔE 0.060
- Purple Brown #673A3F ΔE 0.063
- YInMn Blue #415A77 ΔE 0.065
- Brownish Purple #76424E ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.071
- Charcoal #264653 ΔE 0.071
Use #524E50 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.