#537CD3 — Blue
#537CD3 is a blue in the Blue family. In practice it looks like a balanced medium blue, and it is also commonly known as Blue, Cobalt Blue. Below are all of its color space values, an 11-step scale, harmony palettes and accessibility data.
#537CD3
Tints and shades (50–950)
Accessibility
Contrast on white
4.05:1
Contrast on black
5.19:1
- AA (4.5:1) on whiteFail
- AA Large (3:1) on whitePass
- AAA (7:1) on whiteFail
- AAA Large (4.5:1) on whiteFail
- UI components (3:1) on whitePass
Need a passing variant? Repair this color in the contrast checker.
Complementary palette
Analogous palette
Triadic palette
Copy-ready CSS
brand-scale.css
:root {
--brand-50: oklch(0.971 0.01 263.7); /* #f2f6fd */
--brand-100: oklch(0.936 0.022 263.7); /* #e2eaf9 */
--brand-200: oklch(0.885 0.046 263.7); /* #cadaf8 */
--brand-300: oklch(0.808 0.083 263.7); /* #a5c0f7 */
--brand-400: oklch(0.712 0.123 263.7); /* #7aa1ef */
--brand-500: oklch(0.637 0.148 263.7); /* #5c87e4 */
--brand-600: oklch(0.577 0.145 263.7); /* #4c75ce */
--brand-700: oklch(0.505 0.136 263.7); /* #3b60b1 */
--brand-800: oklch(0.444 0.121 263.7); /* #2f5096 */
--brand-900: oklch(0.396 0.109 263.7); /* #274381 */
--brand-950: oklch(0.281 0.077 263.7); /* #15274f */
}