#137BD4 — Blue
#137BD4 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.
#137BD4
Tints and shades (50–950)
Accessibility
Contrast on white
4.36:1
Contrast on black
4.81:1
- 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 0.012 251.2); /* #f0f6fd */
--brand-100: oklch(0.936 0.025 251.2); /* #deecfb */
--brand-200: oklch(0.885 0.053 251.2); /* #c0dcfb */
--brand-300: oklch(0.808 0.095 251.2); /* #92c5fc */
--brand-400: oklch(0.712 0.141 251.2); /* #59a6f7 */
--brand-500: oklch(0.637 0.169 251.2); /* #258eed */
--brand-600: oklch(0.577 0.166 251.2); /* #087bd7 */
--brand-700: oklch(0.505 0.148 251.2); /* #0066b5 */
--brand-800: oklch(0.444 0.13 251.2); /* #005598 */
--brand-900: oklch(0.396 0.116 251.2); /* #004782 */
--brand-950: oklch(0.281 0.082 251.2); /* #002a50 */
}