{"datasetVersion":"1.0.0","slug":"prussian-blue","name":"Prussian Blue","hex":"#003153","rgb":[0,49,83],"hsl":[205,100,16],"luminance":0.0282,"contrast":{"black":1.56,"white":13.43},"ratings":{"blackText":"fail","whiteText":"AAA"},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":["#FFFFFF","#F5F5F5"]},"narrative":"Prussian 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":13.43,"rating":"AAA"},{"label":"Soft white text","hex":"#F5F5F5","ratio":12.32,"rating":"AAA"}],"backgrounds":[{"label":"White","hex":"#FFFFFF","ratio":13.43,"rating":"AAA"},{"label":"White Smoke","hex":"#F5F5F5","ratio":12.32,"rating":"AAA"}],"borders":[]},"accessibilityAlternatives":[{"slug":"midnight-blue","name":"Midnight Blue","hex":"#191970","family":"blue","temperature":"cool","tone":["dark","jewel-tone"],"blackContrast":1.41,"whiteContrast":14.85,"maxContrast":14.85,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/midnight-blue/"},{"slug":"sapphire-deep","name":"Sapphire Deep","hex":"#082567","family":"blue","temperature":"cool","tone":["dark","jewel-tone"],"blackContrast":1.47,"whiteContrast":14.29,"maxContrast":14.29,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/sapphire-deep/"},{"slug":"charcoal-blue","name":"Charcoal Blue","hex":"#263238","family":"blue","temperature":"cool","tone":["dark"],"blackContrast":1.6,"whiteContrast":13.16,"maxContrast":13.16,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/charcoal-blue/"},{"slug":"british-racing-green","name":"British Racing Green","hex":"#004225","family":"green","temperature":"cool","tone":["dark","jewel-tone"],"blackContrast":1.81,"whiteContrast":11.63,"maxContrast":11.63,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/british-racing-green/"},{"slug":"ink-blue","name":"Ink Blue","hex":"#003F5C","family":"blue","temperature":"cool","tone":["dark","jewel-tone"],"blackContrast":1.87,"whiteContrast":11.25,"maxContrast":11.25,"aaaTextOptions":["#FFFFFF","#F5F5F5"],"url":"https://www.colorsencyclopedia.com/wcag/ink-blue/"}],"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/prussian-blue.json","https://www.colorsencyclopedia.com/api/colors/prussian-blue.json"],"url":"https://www.colorsencyclopedia.com/wcag/prussian-blue/","colorUrl":"https://www.colorsencyclopedia.com/colors/prussian-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/wcag/prussian-blue.json","generatedAt":"2026-07-23T19:04:03.411Z"}