#505D5D
Closest named color: Slate (#516572). oklch(46.7% 0.016 196.6), rgb(80, 93, 93).
Aa
White text reads best on this color (6.85:1).
About this color
#505D5D is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.036 away. White text reads best on it, at 6.85:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.06:1 |
| White text | 6.85:1 |
Values
| HEX | #505D5D |
| RGB | rgb(80, 93, 93) |
| HSL | hsl(180, 8%, 34%) |
| OKLCH | oklch(46.7% 0.016 196.6) |
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 #505D5D | 6.85:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #505D5D | 3.06:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #505D5D text on white | 6.85:1 | AA | Lc 83.7 | Fine for body text |
| #505D5D text on black | 3.06:1 | AA large text | Lc -18.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F6F6
oklch(97.2% 0.001 197.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D6DADA
oklch(88.5% 0.004 197.1)
-
Step 300
300
#BBC2C2
oklch(80.9% 0.008 197)
-
Step 400
400
#98A3A3
oklch(70.7% 0.013 196.9)
-
Step 500
500
#7F8D8D
oklch(63.2% 0.016 196.7)
-
Step 600
600
#687777
oklch(55.7% 0.018 196.7)
-
Step 700
700 (this color)
#505D5D
oklch(46.7% 0.016 196.6)
-
Step 800
800
#475151
oklch(42.6% 0.013 196.7)
-
Step 900
900
#3B4343
oklch(37.6% 0.011 196.7)
-
Step 950
950
#232727
oklch(26.9% 0.006 196.8)
#505D5D 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) | #5B5C5D | 0.016 |
| Deuteranopia (no green cones) | #585A5D | 0.014 |
| Tritanopia (no blue cones) | #4C5E5D | 0.006 |
| Achromatopsia (no color) | #5A5A5A | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #505D5D
#505D5D
oklch(46.7% 0.016 196.6)
- #635757
#635757
oklch(46.8% 0.016 17.7)
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 #505D5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.036
- Dusty Grape #545775 ΔE 0.050
- YInMn Blue #415A77 ΔE 0.050
- Dim Gray #696969 ΔE 0.056
- Dark Green Blue #1F6357 ΔE 0.057
- Dark Aqua #05696B ΔE 0.063
- Petrol #005F6A ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.068
Use #505D5D 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.