RoyalBlue and SlateGray

CSS Variables

:root {
  --color-a: #4169E1;
  --color-b: #708090;
  --color-a-rgb: 65, 105, 225;
  --color-b-rgb: 112, 128, 144;
}

JSON

{
  "name": "RoyalBlue and SlateGray",
  "colors": [
    {
      "name": "RoyalBlue",
      "hex": "#4169E1",
      "rgb": [
        65,
        105,
        225
      ]
    },
    {
      "name": "SlateGray",
      "hex": "#708090",
      "rgb": [
        112,
        128,
        144
      ]
    }
  ],
  "harmony": "Analogous",
  "contrastRatio": 1.2
}

Do royalblue and slategray go together?

Yes. RoyalBlue and SlateGray form a analogous color combination. These colors sit beside each other on the wheel, so the pairing feels calm and cohesive. Analogous schemes are easy on the eye and work well for gradients, backgrounds, and designs that want to feel settled rather than energetic. The pairing has a WCAG contrast ratio of 1.20:1, which is below the AA threshold for text — use it for decorative purposes rather than text readability.

What is the contrast ratio between royalblue and slategray?

The WCAG 2.1 contrast ratio between RoyalBlue (#4169E1) and SlateGray (#708090) is 1.20:1. This ratio is below AA. Use the pairing for backgrounds, borders, and decorative elements rather than text-on-background combinations.

How do I use royalblue and slategray in design?

A safe starting point is the 60/30/10 rule: give one color about 60 percent of the surface area, the other about 30 percent, and reserve the remaining 10 percent for an accent or neutral. Because analogous colors blend naturally, you can use them in more equal proportions without visual conflict. Test the result with our Contrast Checker if text is involved.

What are the hex and RGB values for royalblue and slategray?

RoyalBlue has the hex code #4169E1 and RGB values rgb(65, 105, 225). SlateGray has the hex code #708090 and RGB values rgb(112, 128, 144). You can copy these directly into CSS or use the design tokens provided on this page.