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Aqua and MidnightBlue

Contrasting color combination with 10.55:1 contrast ratio

#0FF0FE
#191970

Color Values

Aqua
HEX #0FF0FE
RGB 15, 240, 254
HSL 184, 99%, 53%
MidnightBlue
HEX #191970
RGB 25, 25, 112
HSL 240, 64%, 27%

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 Aqua and MidnightBlue is 56 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

10.55:1
Aqua background with MidnightBlue text
AAA all sizes

UI Preview

Aqua surface

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

MidnightBlue surface

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

Design Tokens

CSS Variables

:root {
  --color-a: #0FF0FE;
  --color-b: #191970;
  --color-a-rgb: 15, 240, 254;
  --color-b-rgb: 25, 25, 112;
}

JSON

{
  "name": "Aqua and MidnightBlue",
  "colors": [
    {
      "name": "Aqua",
      "hex": "#0FF0FE",
      "rgb": [
        15,
        240,
        254
      ]
    },
    {
      "name": "MidnightBlue",
      "hex": "#191970",
      "rgb": [
        25,
        25,
        112
      ]
    }
  ],
  "harmony": "Contrasting",
  "contrastRatio": 10.55
}

Explore These Colors

Frequently Asked Questions

Do aqua and midnightblue go together?

Yes. Aqua and MidnightBlue 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 10.55:1, which passes AA for large text and UI components.

What is the contrast ratio between aqua and midnightblue?

The WCAG 2.1 contrast ratio between Aqua (#0FF0FE) and MidnightBlue (#191970) is 10.55:1. This passes AAA for all text sizes.

How do I use aqua and midnightblue 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 aqua and midnightblue?

Aqua has the hex code #0FF0FE and RGB values rgb(15, 240, 254). MidnightBlue has the hex code #191970 and RGB values rgb(25, 25, 112). You can copy these directly into CSS or use the design tokens provided on this page.