#565A66
Closest named color: Dusty Grape (#545775). oklch(46.8% 0.02 271), rgb(86, 90, 102).
Aa
White text reads best on this color (6.88:1).
About this color
#565A66 is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.029 away. White text reads best on it, at 6.88:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.05:1 |
| White text | 6.88:1 |
Values
| HEX | #565A66 |
| RGB | rgb(86, 90, 102) |
| HSL | hsl(225, 9%, 37%) |
| OKLCH | oklch(46.8% 0.02 271) |
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 #565A66 | 6.88:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #565A66 | 3.05:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #565A66 text on white | 6.88:1 | AA | Lc 83.8 | Fine for body text |
| #565A66 text on black | 3.05:1 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BEC0C7
oklch(80.8% 0.01 273.3)
-
Step 400
400
#9DA0AB
oklch(70.7% 0.016 273.8)
-
Step 500
500
#858996
oklch(63.1% 0.02 272.2)
-
Step 600
600
#6E7380
oklch(55.6% 0.021 268.9)
-
Step 700
700 (this color)
#565A66
oklch(46.8% 0.02 271)
-
Step 800
800
#4B4F58
oklch(42.7% 0.016 266.5)
-
Step 900
900
#3F4149
oklch(37.6% 0.014 274.6)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#565A66 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) | #575B67 | 0.004 |
| Deuteranopia (no green cones) | #555A66 | 0.002 |
| Tritanopia (no blue cones) | #525C5E | 0.018 |
| Achromatopsia (no color) | #5A5A5A | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #565A66
#565A66
oklch(46.8% 0.02 271)
- #5E5A4E
#5E5A4E
oklch(46.8% 0.019 91.7)
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 #565A66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.029
- Slate #516572 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.039
- Dusk #4E5481 ΔE 0.054
- Dim Gray #696969 ΔE 0.056
- Denim #3B638C ΔE 0.065
- Light Navy Blue #2E5A88 ΔE 0.072
- Petrol #005F6A ΔE 0.074
Use #565A66 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.