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DarkGreen and RoyalBlue

Triadic color combination with 1.53:1 contrast ratio

#006400
#4169E1

Color Values

DarkGreen
HEX #006400
RGB 0, 100, 0
HSL 120, 100%, 20%
RoyalBlue
HEX #4169E1
RGB 65, 105, 225
HSL 225, 73%, 57%

Harmony: Triadic

These colors are roughly 120 degrees apart on the wheel — a triadic relationship that stays lively without clashing. Triadic schemes work best when one color dominates and the other two act as accents.

The hue angle between DarkGreen and RoyalBlue is 105 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

1.53:1
DarkGreen background with RoyalBlue text
Below AA — decorative use only

UI Preview

DarkGreen surface

Sample text on a darkgreen background demonstrates readability and visual hierarchy.

RoyalBlue surface

Sample text on a royalblue background demonstrates readability and visual hierarchy.

Design Tokens

CSS Variables

:root {
  --color-a: #006400;
  --color-b: #4169E1;
  --color-a-rgb: 0, 100, 0;
  --color-b-rgb: 65, 105, 225;
}

JSON

{
  "name": "DarkGreen and RoyalBlue",
  "colors": [
    {
      "name": "DarkGreen",
      "hex": "#006400",
      "rgb": [
        0,
        100,
        0
      ]
    },
    {
      "name": "RoyalBlue",
      "hex": "#4169E1",
      "rgb": [
        65,
        105,
        225
      ]
    }
  ],
  "harmony": "Triadic",
  "contrastRatio": 1.53
}

Explore These Colors

Frequently Asked Questions

Do darkgreen and royalblue go together?

Yes. DarkGreen and RoyalBlue form a triadic color combination. These colors are roughly 120 degrees apart on the wheel — a triadic relationship that stays lively without clashing. Triadic schemes work best when one color dominates and the other two act as accents. The pairing has a WCAG contrast ratio of 1.53:1, which is below the AA threshold for text — use it for decorative purposes rather than text readability.

What is the contrast ratio between darkgreen and royalblue?

The WCAG 2.1 contrast ratio between DarkGreen (#006400) and RoyalBlue (#4169E1) is 1.53:1. This ratio is below AA. Use the pairing for backgrounds, borders, and decorative elements rather than text-on-background combinations.

How do I use darkgreen and royalblue 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 darkgreen and royalblue?

DarkGreen has the hex code #006400 and RGB values rgb(0, 100, 0). RoyalBlue has the hex code #4169E1 and RGB values rgb(65, 105, 225). You can copy these directly into CSS or use the design tokens provided on this page.