as a person who sees it as utterly obviously black and blue, i certainly don’t literally see the same colours as the photo in normal lighting. What i see is precisely the colours you indicate (#7a6642 and #8596bb), but then my brain does white balancing and i interpret the materials as actually looking like this, which is i think quite clearly black and blue, if rather sun-bleached:
as a person who sees it as utterly obviously black and blue, i certainly don’t literally see the same colours as the photo in normal lighting. What i see is precisely the colours you indicate (#7a6642 and #8596bb), but then my brain does white balancing and i interpret the materials as actually looking like this, which is i think quite clearly black and blue, if rather sun-bleached:
And the original image again for contrast: