{"datasetVersion":"1.0.0","slug":"cobalt-blue","name":"Cobalt Blue","hex":"#0047AB","rgb":[0,71,171],"hsl":[215,100,34],"luminance":0.0745,"contrast":{"black":2.49,"white":8.43},"ratings":{"blackText":"fail","whiteText":"AAA"},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]},"narrative":"Cobalt Blue has strong WCAG behavior because it reaches AAA contrast with #FFFFFF and #F5F5F5 text. It can be used for normal text, badges, compact UI, and interface components when paired with the listed foreground colors.","warnings":["Very dark surfaces need careful hover, focus, and disabled-state treatment.","Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."],"safePairings":{"text":[{"label":"White text","hex":"#FFFFFF","ratio":8.43,"rating":"AAA"},{"label":"Soft white text","hex":"#F5F5F5","ratio":7.74,"rating":"AAA"}],"backgrounds":[{"label":"White","hex":"#FFFFFF","ratio":8.43,"rating":"AAA"},{"label":"White Smoke","hex":"#F5F5F5","ratio":7.74,"rating":"AAA"}],"borders":[]},"accessibilityAlternatives":[{"slug":"smalt","name":"Smalt","hex":"#003399","family":"blue","temperature":"cool","tone":["jewel-tone"],"blackContrast":1.93,"whiteContrast":10.86,"maxContrast":10.86,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/smalt/"},{"slug":"egyptian-blue","name":"Egyptian Blue","hex":"#1034A6","family":"blue","temperature":"cool","tone":["vibrant","jewel-tone"],"blackContrast":2.06,"whiteContrast":10.17,"maxContrast":10.17,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/egyptian-blue/"},{"slug":"sapphire","name":"Sapphire","hex":"#0F52BA","family":"blue","temperature":"cool","tone":["vibrant","jewel-tone"],"blackContrast":2.94,"whiteContrast":7.15,"maxContrast":7.15,"aaaTextOptions":["#FFFFFF"],"url":"https://www.colorsencyclopedia.com/wcag/sapphire/"}],"componentGuidance":[{"component":"Buttons","guidance":"Use only with AA-passing foreground text and visible focus states."},{"component":"Badges","guidance":"Works best with bold labels and enough padding around text."},{"component":"Cards","guidance":"Use as a surface when paired with a tested text color and clear border."},{"component":"Alerts","guidance":"Pair with icons or labels; do not rely on color alone."},{"component":"Form fields","guidance":"Use for borders or focus rings only when contrast remains visible."}],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/wcag/cobalt-blue.json","https://www.colorsencyclopedia.com/api/colors/cobalt-blue.json"],"url":"https://www.colorsencyclopedia.com/wcag/cobalt-blue/","colorUrl":"https://www.colorsencyclopedia.com/colors/cobalt-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/wcag/cobalt-blue.json","generatedAt":"2026-07-23T19:04:03.408Z"}