#397CC4 — Blue
#397CC4 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.
#397CC4
Tints and shades (50–950)
Accessibility
Contrast on white
4.33:1
Contrast on black
4.85:1
- 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 0.01 252.4); /* #f1f6fc */
--brand-100: oklch(0.936 0.021 252.4); /* #e0ebf8 */
--brand-200: oklch(0.885 0.042 252.4); /* #c6dcf5 */
--brand-300: oklch(0.808 0.077 252.4); /* #9dc4f1 */
--brand-400: oklch(0.712 0.114 252.4); /* #6ca6e7 */
--brand-500: oklch(0.637 0.137 252.4); /* #478edb */
--brand-600: oklch(0.577 0.134 252.4); /* #367cc6 */
--brand-700: oklch(0.505 0.126 252.4); /* #2566aa */
--brand-800: oklch(0.444 0.112 252.4); /* #1c558f */
--brand-900: oklch(0.396 0.101 252.4); /* #16487b */
--brand-950: oklch(0.281 0.071 252.4); /* #0a2a4b */
}