#337BCB — Blue
#337BCB 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.
#337BCB
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 0.01 253.5); /* #f1f6fd */
--brand-100: oklch(0.936 0.022 253.5); /* #e0ebf9 */
--brand-200: oklch(0.885 0.046 253.5); /* #c4dcf8 */
--brand-300: oklch(0.808 0.084 253.5); /* #9ac4f6 */
--brand-400: oklch(0.712 0.124 253.5); /* #68a5ee */
--brand-500: oklch(0.637 0.15 253.5); /* #418de3 */
--brand-600: oklch(0.577 0.147 253.5); /* #307bcd */
--brand-700: oklch(0.505 0.138 253.5); /* #1e65b0 */
--brand-800: oklch(0.444 0.123 253.5); /* #165495 */
--brand-900: oklch(0.396 0.111 253.5); /* #104780 */
--brand-950: oklch(0.281 0.078 253.5); /* #07294e */
}