#3973E4 — Blue
#3973E4 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.
#3973E4
Tints and shades (50–950)
Accessibility
Contrast on white
4.42:1
Contrast on black
4.75:1
- 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 0.013 262); /* #f1f6ff */
--brand-100: oklch(0.936 0.029 262); /* #e0eafe */
--brand-200: oklch(0.885 0.056 262); /* #c5daff */
--brand-300: oklch(0.808 0.096 262); /* #9ec1ff */
--brand-400: oklch(0.712 0.15 262); /* #6da0ff */
--brand-500: oklch(0.637 0.192 262); /* #4684fd */
--brand-600: oklch(0.577 0.188 262); /* #3672e6 */
--brand-700: oklch(0.505 0.176 262); /* #265dc7 */
--brand-800: oklch(0.444 0.157 262); /* #1e4ca9 */
--brand-900: oklch(0.396 0.142 262); /* #174091 */
--brand-950: oklch(0.281 0.1 262); /* #0b2559 */
}