#565C51
Closest named color: Slate (#516572). oklch(46.6% 0.019 130.7), rgb(86, 92, 81).
Aa
White text reads best on this color (6.89:1).
About this color
#565C51 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.051 away. White text reads best on it, at 6.89:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.04:1 |
| White text | 6.89:1 |
Values
| HEX | #565C51 |
| RGB | rgb(86, 92, 81) |
| HSL | hsl(93, 6%, 34%) |
| OKLCH | oklch(46.6% 0.019 130.7) |
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 #565C51 | 6.89:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #565C51 | 3.04:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #565C51 text on white | 6.89:1 | AA | Lc 83.9 | Fine for body text |
| #565C51 text on black | 3.04:1 | AA large text | Lc -18.1 | 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
#F5F5F5
oklch(97% 0 0)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D8DAD6
oklch(88.6% 0.006 128.5)
-
Step 300
300
#BEC2BC
oklch(80.9% 0.009 134.9)
-
Step 400
400
#9DA399
oklch(70.8% 0.016 132.5)
-
Step 500
500
#868C80
oklch(63.2% 0.019 128.8)
-
Step 600
600
#6F766A
oklch(55.6% 0.02 132)
-
Step 700
700 (this color)
#565C51
oklch(46.6% 0.019 130.7)
-
Step 800
800
#4C5148
oklch(42.7% 0.016 131)
-
Step 900
900
#3F433C
oklch(37.7% 0.013 131.6)
-
Step 950
950
#252723
oklch(26.9% 0.008 128.8)
#565C51 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) | #5D5A50 | 0.012 |
| Deuteranopia (no green cones) | #5C5A51 | 0.011 |
| Tritanopia (no blue cones) | #565B59 | 0.014 |
| Achromatopsia (no color) | #5A5A5A | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565C51
#565C51
oklch(46.6% 0.019 130.7)
- #5D5762
#5D5762
oklch(46.6% 0.019 309.9)
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 #565C51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.051
- Dim Gray #696969 ΔE 0.058
- Dark Green Blue #1F6357 ΔE 0.060
- Dusty Grape #545775 ΔE 0.066
- YInMn Blue #415A77 ΔE 0.069
- Dark Moss Green #606C38 ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.072
- Dark Aqua #05696B ΔE 0.074
Use #565C51 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.