source backeddigital approximationdesign token ready
深縹色Fukahanada-iro
ふかはなだいろ · Deep indigo · family blue
A named color for deep indigo.
深縹色 (Fukahanada-iro) is catalogued here as deep indigo. Tobunken records 深縹 as a distinct term from 浅縹 (historical name attestation). No standard measured sRGB/Lab value tied to this exact historical usage is currently available; HEX is a modern authoritative approximation.
Tobunken records the underlying color/material term in the Nara-period vocabulary database derived from 『大日本古文書』; this supports historical name attestation, not measured sRGB.
Traditional color names predate modern screen color spaces, so this HEX value is a design approximation rather than a material measurement.
USAGEWhere it works
Branding
Blue accent for cultural, hospitality, or editorial systems
Packaging
Seasonal goods, stationery, and boxed sets
Illustration
Soft fills, background fields, and seasonal scenes
UI accent
Surface tint, highlight, token swatch, or subtle state color
SOURCESEvidence trail
EXPORTSCopy-ready tokens