# #2f5cfe

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#2f5cfe`
- RGB: rgb(47, 92, 254)
- HSL: hsl(227, 99%, 59%)
- OKLCH: oklch(0.553 0.245 266)
- Relative luminance: 0.1541
- Nearest named color: Bluerocratic (#1f66ff, Δ 2.133) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2f5cfe

## Tints & shades

- Tints (toward white): #436cfe, #587cfe, #6c8cfe, #809bfe, #94abfe, #a4b7ff, #b8c7ff, #ccd7ff, #e1e7ff, #f5f7ff
- Shades (toward black): #1648fe, #0136f4, #0130da, #0129bc, #0124a2, #011d84, #01186b, #00114c, #000b33, #000414

## Harmonies

- Complementary: #fed12f
- Analogous: #2fc3fe, #6a2ffe
- Triadic: #fe2f5c, #5cfe2f
- Split-complementary: #fe6a2f, #c3fe2f
- Tetradic: #fe2fc3, #fed12f, #2ffe6a

## Colors that go with #2f5cfe

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #2f5cfe: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Campus (https://brandsweets.com/palettes/friendly#campus), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #2f5cfe — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Toyota (https://brandsweets.com/colors/brands/toyota-com), WWE (https://brandsweets.com/colors/brands/wwe-com), Behance (https://brandsweets.com/colors/brands/behance-net), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #2f5cfe in 6 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Signal's brand system and Dropbox's brand system put Blue beside #2f5cfe, as the supporting colour. Seen in: Signal (https://brandsweets.com/colors/brands/signal-org), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2f5cfe: 11 real palettes, including Nivea's brand system and Nokia's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), Behance (https://brandsweets.com/colors/brands/behance-net), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #2f5cfe: 7 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), NBA (https://brandsweets.com/colors/brands/nba-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2f5cfe: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Calm (https://brandsweets.com/colors/brands/calm-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #2f5cfe: 13 real palettes, including Chase's brand system and Square's brand system, as the lead colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Square (https://brandsweets.com/colors/brands/squareup-com), Fivetran blue (https://brandsweets.com/colors/brands/fivetran-com), Guinness (https://brandsweets.com/colors/brands/guinness-com). — https://brandsweets.com/colors/denim

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 5.14:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #0138fe (7:1)
- On black (#000000): 4.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3e68fe (4.62:1); AA: background → #f0f0f0 (4.51:1); AAA: text → #7190fe (7.12:1)

## Brands using this color

- **Roblox** — primary #345cfc (Δ 0.492) — https://brandsweets.com/colors/brands/roblox-com
- **Docker** — secondary #2560ff (Δ 0.944) — https://brandsweets.com/colors/brands/docker-com
- **Toyota** — accent #145fff (Δ 1.458) — https://brandsweets.com/colors/brands/toyota-com
- **Nivea** — secondary #0f60ff (Δ 1.635) — https://brandsweets.com/colors/brands/nivea-com
- **OnePlus** — accent #2660f5 (Δ 1.645) — https://brandsweets.com/colors/brands/oneplus-com
- **Signal** — accent #4258ff (Δ 1.742) — https://brandsweets.com/colors/brands/signal-org
- **Cisco** — secondary #0a60ff (Δ 1.744) — https://brandsweets.com/colors/brands/cisco-com
- **IBM** — secondary #0f62fe (Δ 1.779) — https://brandsweets.com/colors/brands/ibm-com
- **Zoom** — primary #0b5cff (Δ 1.794) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.794) — https://brandsweets.com/colors/brands/zoom-us
- **Spectrum** — accent #005eff (Δ 1.944) — https://brandsweets.com/colors/brands/spectrum-com
- **Dropbox** — primary #0061ff (Δ 1.976) — https://brandsweets.com/colors/brands/dropbox-com
- **Dropbox** — secondary #0061fe (Δ 1.98) — https://brandsweets.com/colors/brands/dropbox-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/2f5cfe-9ca0c4-df7a4e-221f2d-e9eff1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#2f5cfe" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.