#377FBC — Blue
#377FBC 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.
#377FBC
Tints and shades (50–950)
Accessibility
Contrast on white
4.26:1
Contrast on black
4.92:1
- 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 0.009 247.3); /* #f1f6fb */
--brand-100: oklch(0.936 0.019 247.3); /* #e0ebf6 */
--brand-200: oklch(0.885 0.038 247.3); /* #c6dcf2 */
--brand-300: oklch(0.808 0.07 247.3); /* #9dc5eb */
--brand-400: oklch(0.712 0.103 247.3); /* #6ba8df */
--brand-500: oklch(0.637 0.124 247.3); /* #4591d2 */
--brand-600: oklch(0.577 0.122 247.3); /* #337ebd */
--brand-700: oklch(0.505 0.114 247.3); /* #2269a2 */
--brand-800: oklch(0.444 0.102 247.3); /* #195788 */
--brand-900: oklch(0.396 0.092 247.3); /* #134a75 */
--brand-950: oklch(0.281 0.065 247.3); /* #082b47 */
}