#377BC9 — Blue
#377BC9 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.
#377BC9
Tints and shades (50–950)
Accessibility
Contrast on white
4.34:1
Contrast on black
4.84:1
- 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 0.01 253.9); /* #f1f6fc */
--brand-100: oklch(0.936 0.022 253.9); /* #e0ebf9 */
--brand-200: oklch(0.885 0.045 253.9); /* #c5dbf7 */
--brand-300: oklch(0.808 0.081 253.9); /* #9cc4f4 */
--brand-400: oklch(0.712 0.121 253.9); /* #6ba5ec */
--brand-500: oklch(0.637 0.146 253.9); /* #458de1 */
--brand-600: oklch(0.577 0.143 253.9); /* #347bcb */
--brand-700: oklch(0.505 0.134 253.9); /* #2365af */
--brand-800: oklch(0.444 0.119 253.9); /* #1a5493 */
--brand-900: oklch(0.396 0.108 253.9); /* #14477e */
--brand-950: oklch(0.281 0.076 253.9); /* #09294d */
}