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Navy and SeaGreen

Contrasting color combination with 4.20:1 contrast ratio

#01153E
#2E8B57

Color Values

Navy
HEX #01153E
RGB 1, 21, 62
HSL 220, 97%, 12%
SeaGreen
HEX #2E8B57
RGB 46, 139, 87
HSL 146, 50%, 36%

Harmony: Contrasting

These colors sit far enough apart on the wheel to create clear contrast without falling into a named harmony. The pairing works through difference rather than relationship, which suits designs that want variety over cohesion.

The hue angle between Navy and SeaGreen is 74 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

4.20:1
Navy background with SeaGreen text
AA large text only

UI Preview

Navy surface

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

SeaGreen surface

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

Design Tokens

CSS Variables

:root {
  --color-a: #01153E;
  --color-b: #2E8B57;
  --color-a-rgb: 1, 21, 62;
  --color-b-rgb: 46, 139, 87;
}

JSON

{
  "name": "Navy and SeaGreen",
  "colors": [
    {
      "name": "Navy",
      "hex": "#01153E",
      "rgb": [
        1,
        21,
        62
      ]
    },
    {
      "name": "SeaGreen",
      "hex": "#2E8B57",
      "rgb": [
        46,
        139,
        87
      ]
    }
  ],
  "harmony": "Contrasting",
  "contrastRatio": 4.2
}

Explore These Colors

Frequently Asked Questions

Do navy and seagreen go together?

Yes. Navy and SeaGreen form a contrasting color combination. These colors sit far enough apart on the wheel to create clear contrast without falling into a named harmony. The pairing works through difference rather than relationship, which suits designs that want variety over cohesion. The pairing has a WCAG contrast ratio of 4.20:1, which passes AA for large text but not for body text.

What is the contrast ratio between navy and seagreen?

The WCAG 2.1 contrast ratio between Navy (#01153E) and SeaGreen (#2E8B57) is 4.20:1. This passes AA for large text (18pt+ or 14pt+ bold) but not for normal-sized body text.

How do I use navy and seagreen 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 navy and seagreen?

Navy has the hex code #01153E and RGB values rgb(1, 21, 62). SeaGreen has the hex code #2E8B57 and RGB values rgb(46, 139, 87). You can copy these directly into CSS or use the design tokens provided on this page.