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CornflowerBlue and Sienna

Complementary color combination with 1.75:1 contrast ratio

#6495ED
#A9561E

Color Values

CornflowerBlue
HEX #6495ED
RGB 100, 149, 237
HSL 219, 79%, 66%
Sienna
HEX #A9561E
RGB 169, 86, 30
HSL 24, 70%, 39%

Harmony: Complementary

These colors sit opposite each other on the wheel, producing maximum visual contrast. Complementary pairings are vibrant and attention-grabbing, but a 70/30 split keeps them from shouting.

The hue angle between CornflowerBlue and Sienna is 165 degrees. You can explore these relationships interactively in our Color Wheel Tool.

WCAG Contrast

1.75:1
CornflowerBlue background with Sienna text
Below AA — decorative use only

UI Preview

CornflowerBlue surface

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

Sienna surface

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

Design Tokens

CSS Variables

:root {
  --color-a: #6495ED;
  --color-b: #A9561E;
  --color-a-rgb: 100, 149, 237;
  --color-b-rgb: 169, 86, 30;
}

JSON

{
  "name": "CornflowerBlue and Sienna",
  "colors": [
    {
      "name": "CornflowerBlue",
      "hex": "#6495ED",
      "rgb": [
        100,
        149,
        237
      ]
    },
    {
      "name": "Sienna",
      "hex": "#A9561E",
      "rgb": [
        169,
        86,
        30
      ]
    }
  ],
  "harmony": "Complementary",
  "contrastRatio": 1.75
}

Explore These Colors

Frequently Asked Questions

Do cornflowerblue and sienna go together?

Yes. CornflowerBlue and Sienna form a complementary color combination. These colors sit opposite each other on the wheel, producing maximum visual contrast. Complementary pairings are vibrant and attention-grabbing, but a 70/30 split keeps them from shouting. The pairing has a WCAG contrast ratio of 1.75:1, which is below the AA threshold for text — use it for decorative purposes rather than text readability.

What is the contrast ratio between cornflowerblue and sienna?

The WCAG 2.1 contrast ratio between CornflowerBlue (#6495ED) and Sienna (#A9561E) is 1.75:1. This ratio is below AA. Use the pairing for backgrounds, borders, and decorative elements rather than text-on-background combinations.

How do I use cornflowerblue and sienna 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. Since these are complementary colors, lean toward a 70/25/5 split to keep the contrast from becoming overwhelming. Test the result with our Contrast Checker if text is involved.

What are the hex and RGB values for cornflowerblue and sienna?

CornflowerBlue has the hex code #6495ED and RGB values rgb(100, 149, 237). Sienna has the hex code #A9561E and RGB values rgb(169, 86, 30). You can copy these directly into CSS or use the design tokens provided on this page.