Cobalt Prism

Cobalt Prism is built on an expansive, ultra-clean #FFFFFF to #F8FAFC canvas with surgical blue hierarchy. Deep sapphire text (#111B38) establishes high contrast against the paper-white ground, while vibrant cobalt (#0062FF) acts exclusively as the primary actionable and structural anchor. Type is geometric, confident, and humanistic, using bold weights for headings and relaxed line heights for explanatory copy. Micro-accents employ delicate circular icon frames with subtle 50% opacity rings and soft diffuse drop shadows (blur 24px-32px). Softly rounded cards (radius 12px to 16px) hover atop the neutral plane, while saturated cobalt sections (#0B47BD to #04369D) ground lower page transitions. First-time viewers immediately notice the 3D isometric architectural elevator and technician illustration in the hero, surrounded by orbit lines that tie the physical facility world to digital SaaS simplicity.

1 design references

Prompt metadata
Shared by	@Devault
Model	GPT Image 2.5
Category	Web design
Dataset	stretchcloud · awesome-gpt-image-prompt-2.5

The prompt

Design a light-mode web interface screen: crisp isometric technicality grounded in high-contrast french cobalt and surgical white space.

LAYOUT
The page flows from an open, asymmetric hero (left-aligned typography and CTA buttons balanced against an elaborate right-aligned 3D scene) into a low-contrast trust bar of press marks. Below, a two-column feature block presents three structured value items on the left against layered app UI mockups on the right. It cleanly transitions into a full-width saturated blue band that breaks the white monotony with a three-step horizontal process timeline.

PALETTE (use these exact hex values)
- #FFFFFF — Canvas White: Primary background for hero, product overview, and main content cards
- #F8FAFC — Atmosphere Tint: Off-white background for badges, light panels, and subtle UI contrast
- #0062FF — Cobalt Blue: Primary CTA fill, active navigation indicators, key icons, and brand marks
- #0847B8 — Deep Royal: Darker blue used for high-impact footer or workflow band background
- #111B38 — Midnight Ink: Dominant display text, major headings, and primary titles
- #64748B — Muted Slate: Body descriptions, secondary labels, subtext, and unselected tab items
- #E2E8F0 — Border Grey: Subtle borders on secondary pill buttons, card outlines, and dividers
- #E6F8F0 — Success Mint: Pill background for completed workflow tags (Terminé)
- #107E4C — Success Pine: Label color for completed workflow tags

TYPOGRAPHY
Typeface Plus Jakarta Sans (or Inter,General Sans,DM Sans), weights 400/500/600/700/800. Sizes 12px caption, 14px body-sm, 16px body, 20px subheading, 28px heading, 44px display. Tracking -0.02em at display, 0em at body. Plus Jakarta Sans delivers a brisk, engineering-grade clarity with a friendly, modern touch. Its geometric precision mirrors the architectural structure of the isometric elevator while the open counters maintain legibility in French technical copy. If licensed alternatives are required, Inter or General Sans provide an exact structural match.

GEOMETRY & SPACING
Corner radii — cards 16px, links 4px, inputs 8px, buttons 6px. Spacing on a 8px unit, 24px gaps, 96px between sections, 1200px container, comfortable density.

DEPTH
Depth is created using translucent, high-blur ambient shadows (rgba(15, 23, 42, 0.06 to 0.10) with 24px-40px blur) beneath floating dashboard screens and hexagonal 3D stages. Physical layers seem to float directly above clean paper planes without abrupt elevation steps. Dark accent blocks (the blue process banner) provide hard visual grounding without requiring drop shadows.

IMAGERY
Features bespoke 3D isometric technical modeling: architectural glass elevator cabins, white stepped platforms, and miniature technician figures wearing cobalt blue shirts. Supporting UI graphics consist of clean SVG dashboard wireframes with minimal faux-text bars and donut analytics charts. Stock photography or hand-drawn sketches are strictly off-brand.

SIGNATURE DETAIL — the thing that makes this design itself
The signature element is the concentric circular orbit motif paired with stepped isometric white plinths. This visual device connects abstract digital data nodes directly to physical infrastructure (elevators, machinery, technicians), anchoring the brand's identity as a bridge between facility management and modern software. Misusing it by rendering standard 2D icons on flat circles destroys this architectural depth.

MUST
- Use pure cobalt #0062FF strictly for actionable triggers, active nav links, and brand focal marks.
- Keep typography high-contrast with dark midnight navy #111B38 on pure white backgrounds.
- Frame feature icons with dual-layer circular halos in light azure tint (#F0F5FF).
- Pair isometric technical illustrations with clean, modern 2D dashboard UI cards.

AVOID
- Do not use dark backgrounds for the hero or primary product sections.
- Never replace the isometric 3D visual language with generic flat 2D vector clip art.
- Avoid fully rounded pill buttons for primary CTAs; keep corner radius crisp at 6px.
- Do not mix warm earth tones (yellows, reds) into the cool blue, slate, and white palette.

OUTPUT
Render as a clean, pixel-crisp UI design at roughly 2496:3312. Flat vector rendering, real legible text, no browser chrome, no device mockup frame, no watermark, no lorem ipsum placeholder blocks.

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