Black and SlateGray

CSS Variables

:root {
  --color-a: #000000;
  --color-b: #708090;
  --color-a-rgb: 0, 0, 0;
  --color-b-rgb: 112, 128, 144;
}

JSON

{
  "name": "Black and SlateGray",
  "colors": [
    {
      "name": "Black",
      "hex": "#000000",
      "rgb": [
        0,
        0,
        0
      ]
    },
    {
      "name": "SlateGray",
      "hex": "#708090",
      "rgb": [
        112,
        128,
        144
      ]
    }
  ],
  "harmony": "Tonal Accent",
  "contrastRatio": 5.18
}

Do black and slategray go together?

Yes. Black and SlateGray form a tonal accent color combination. One color is neutral and the other carries the chroma, which is a reliable formula for balanced design. The neutral gives the eye somewhere to rest while the chromatic color provides the focal point. The pairing has a WCAG contrast ratio of 5.18:1, which passes AA for large text and UI components.

What is the contrast ratio between black and slategray?

The WCAG 2.1 contrast ratio between Black (#000000) and SlateGray (#708090) is 5.18:1. This passes AA for normal text and AAA for large text.

How do I use black 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. If one color is significantly darker, use it for text or structural elements and the lighter one for backgrounds. Test the result with our Contrast Checker if text is involved.

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

Black has the hex code #000000 and RGB values rgb(0, 0, 0). 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.