IOP Logo
The IOP logo uses 1 primary color. Its dominant color is Mario (#E60012, closest Pantone 2347 C). IOP operates in the Business Services industry.
- Color family
- red
- Industry
- Business Services
- Brand popularity
- Top 57% of indexed brands
- Website
- iop.org
Design analysis
The IOP mark is a geometric wordmark where the three letters share a unified construction — built from rounded rectangles and circular arcs on a consistent grid. The 'I' and 'P' are vertically aligned caps; the 'O' is a perfect circle that nests into the counter of the 'P', creating a subtle ligature without losing legibility. This modular approach scales cleanly: at favicon size the circular 'O' remains readable as a single dot, while the vertical stems of 'I' and 'P' hold their weight. In the professional-society sector, where many peers use crests, shields, or serif logotypes, the pure sans-serif geometry signals modernity and accessibility without sacrificing authority. The tight letterspacing and shared corner radius give the mark a single-unit cohesion that works equally well on a conference badge, a journal spine, or a digital avatar.
Logo colors, measured
Colors extracted from the logo image itself (background removed), with share of the mark each color covers.
Click a chip to copy its hex code.
The solitary #E60012 red is a high-chroma, blue-leaning scarlet that sits between traditional academic crimson and the brighter reds used by tech brands. In physics publishing and membership communications, red conveys energy and precision — think laser light, spectral lines, the colour of the hydrogen-alpha line — while the absence of a secondary colour keeps reproduction costs low and ensures the mark never competes with colourful data visualisations or journal covers.
Variations & downloads
Color variants generated from the vector source — free to download for identification, editorial and research use.
Visually similar logos
Nearest neighbors in visual embedding space — marks that share shape and structure with the IOP logo, regardless of color or industry.
Brand web palette
Colors IOP uses across its website — the broader brand system around the logo.
About IOP
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Questions about the IOP logo
What does IOP stand for in this logo?
IOP stands for Institute of Physics, the UK and Ireland's professional body and learned society for physics, founded in 1874 and operating under royal charter.
Has the IOP logo always been this red wordmark?
No. The society used a coat-of-arms-style crest for decades before adopting a minimalist red wordmark in a 2015 rebrand led by an external design agency, replacing the previous blue-and-gold typographic logo.
What color is the IOP logo?
The dominant color of the IOP logo is Mario (hex #E60012). The closest Pantone match is 2347 C.
How many colors does the IOP logo have?
The IOP logo uses 1 primary color: #E60012.
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The IOP logo is a trademark of its owner, shown here for identification and design research. Color data is measured from the public mark by LogoLabs; analysis is editorial commentary. No affiliation or endorsement is implied.