#377FB9 — Blue
#377FB9 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.
#377FB9
Tints and shades (50–950)
Accessibility
Contrast on white
4.29:1
Contrast on black
4.90:1
- 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 0.008 246); /* #f1f6fb */
--brand-100: oklch(0.936 0.018 246); /* #e0ebf6 */
--brand-200: oklch(0.885 0.037 246); /* #c6dcf1 */
--brand-300: oklch(0.808 0.067 246); /* #9dc5ea */
--brand-400: oklch(0.712 0.1 246); /* #6ca8dd */
--brand-500: oklch(0.637 0.12 246); /* #4591d0 */
--brand-600: oklch(0.577 0.118 246); /* #347fbb */
--brand-700: oklch(0.505 0.111 246); /* #2269a0 */
--brand-800: oklch(0.444 0.099 246); /* #1a5786 */
--brand-900: oklch(0.396 0.089 246); /* #134a73 */
--brand-950: oklch(0.281 0.063 246); /* #082b46 */
}