{"datasetVersion":"1.0.0","slug":"slate-blue-vs-royal-purple","type":"nearest","name":"Slate Blue vs Royal Purple","verdict":"Slate Blue and Royal Purple are visually related colors. Slate Blue is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.11:1, so the pair is too low for text and better treated as a palette relationship.","summary":"Slate Blue and Royal Purple are different blue and purple colors with HEX values #6A5ACD and #7851A9. According to Colors Encyclopedia, their RGB distance is 39.7, their contrast ratio is 1.11:1, and the comparison helps choose between tone, temperature, and accessibility behavior.","rgbDistance":39.7,"contrastRatio":1.11,"colors":[{"slug":"slate-blue","name":"Slate Blue","hex":"#6A5ACD","rgb":[106,90,205],"hsl":[248,53,58],"cmyk":[48,56,0,20],"family":"blue","temperature":"cool","tone":["balanced"],"luminance":0.1478,"contrast":{"black":3.96,"white":5.31},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":5.31},"description":"Slate Blue is #6A5ACD, a cool blue color with balanced character. Compared with Royal Purple, it is lighter and more saturated. Use it for web design, css color systems, and ui prototyping, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/slate-blue/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/slate-blue.json"},{"slug":"royal-purple","name":"Royal Purple","hex":"#7851A9","rgb":[120,81,169],"hsl":[267,35,49],"cmyk":[29,52,0,34],"family":"purple","temperature":"cool","tone":["balanced"],"luminance":0.1274,"contrast":{"black":3.55,"white":5.92},"wcag":{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]},"bestText":{"text":"#FFFFFF","label":"white text","ratio":5.92},"description":"Royal Purple is #7851A9, a cool purple color with balanced character. Compared with Slate Blue, it is darker and less saturated. Use it for beauty branding, creative systems, and premium accents, with white text as the safer foreground option.","url":"https://www.colorsencyclopedia.com/colors/royal-purple/","apiUrl":"https://www.colorsencyclopedia.com/api/colors/royal-purple.json"}],"differences":{"rgbDistance":39.7,"contrastRatio":1.11,"hslDelta":{"hue":19,"saturation":18,"lightness":9},"luminanceDelta":0.0204,"sameFamily":false,"sameTemperature":true,"sharedTones":["balanced"],"lighterColor":"Slate Blue","moreSaturatedColor":"Slate Blue"},"accessibility":{"pairContrastRatio":1.11,"textRecommendation":"Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.","safeText":[{"color":"Slate Blue","background":"#6A5ACD","foreground":"#FFFFFF","label":"white text","ratio":5.31},{"color":"Royal Purple","background":"#7851A9","foreground":"#FFFFFF","label":"white text","ratio":5.92}]},"useCases":{"chooseFirstWhen":"Slate Blue is better when the design needs balanced blue character, cool temperature, and the specific HEX value #6A5ACD.","chooseSecondWhen":"Royal Purple is better when the design needs balanced purple character, cool temperature, and the specific HEX value #7851A9.","useTogetherWhen":"Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."},"relatedApi":["https://www.colorsencyclopedia.com/api/compare/slate-blue-vs-royal-purple.json","https://www.colorsencyclopedia.com/api/colors/slate-blue.json","https://www.colorsencyclopedia.com/api/colors/royal-purple.json"],"url":"https://www.colorsencyclopedia.com/compare/slate-blue-vs-royal-purple/","apiUrl":"https://www.colorsencyclopedia.com/api/compare/slate-blue-vs-royal-purple.json"}