{"datasetVersion":"1.0.0","slug":"signal-red","name":"Signal Red","hex":"#E60000","rgb":[230,0,0],"hsl":[0,100,45],"luminance":0.1682,"contrast":{"black":4.36,"white":4.81},"ratings":{"blackText":"large-text-only","whiteText":"AA"},"wcag":{"AA":["#FFFFFF"],"AAA":[]},"narrative":"Signal Red is AA-safe but not AAA-safe for normal text. Its black contrast is 4.36:1 and its white contrast is 4.81:1, so white text is the stronger option. Use it for readable UI only with checked foreground colors, and avoid tiny text or thin font weights.","warnings":["Does not reach AAA contrast against the standard black or white text options in this dataset.","Avoid placing text over photos, gradients, or translucent overlays without retesting the final composite color."],"safePairings":{"text":[{"label":"White text","hex":"#FFFFFF","ratio":4.81,"rating":"AA"}],"backgrounds":[{"label":"White","hex":"#FFFFFF","ratio":4.81,"rating":"AA"}],"borders":[]},"accessibilityAlternatives":[{"slug":"venetian-red","name":"Venetian Red","hex":"#C80815","family":"red","temperature":"warm","tone":["vibrant"],"blackContrast":3.5,"whiteContrast":6,"maxContrast":6,"aaaTextOptions":[],"url":"https://www.colorsencyclopedia.com/wcag/venetian-red/"},{"slug":"traffic-red","name":"Traffic Red","hex":"#CC0605","family":"red","temperature":"warm","tone":["vibrant"],"blackContrast":3.6,"whiteContrast":5.84,"maxContrast":5.84,"aaaTextOptions":[],"url":"https://www.colorsencyclopedia.com/wcag/traffic-red/"},{"slug":"scarlet","name":"Scarlet","hex":"#FF2400","family":"red","temperature":"warm","tone":["vibrant"],"blackContrast":5.5,"whiteContrast":3.82,"maxContrast":5.5,"aaaTextOptions":[],"url":"https://www.colorsencyclopedia.com/wcag/scarlet/"},{"slug":"red","name":"Red","hex":"#FF0000","family":"red","temperature":"warm","tone":["vibrant"],"blackContrast":5.25,"whiteContrast":4,"maxContrast":5.25,"aaaTextOptions":[],"url":"https://www.colorsencyclopedia.com/wcag/red/"},{"slug":"cadmium-red","name":"Cadmium Red","hex":"#E30022","family":"red","temperature":"warm","tone":["vibrant"],"blackContrast":4.29,"whiteContrast":4.9,"maxContrast":4.9,"aaaTextOptions":[],"url":"https://www.colorsencyclopedia.com/wcag/cadmium-red/"}],"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/signal-red.json","https://www.colorsencyclopedia.com/api/colors/signal-red.json"],"url":"https://www.colorsencyclopedia.com/wcag/signal-red/","colorUrl":"https://www.colorsencyclopedia.com/colors/signal-red/","apiUrl":"https://www.colorsencyclopedia.com/api/wcag/signal-red.json","generatedAt":"2026-07-23T19:04:03.412Z"}