# #1864fb

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

## Values

- Hex: `#1864fb`
- RGB: rgb(24, 100, 251)
- HSL: hsl(220, 97%, 54%)
- OKLCH: oklch(0.559 0.236 262.2)
- Relative luminance: 0.1627
- Nearest named color: Blue Ribbon (#0066ff, Δ 0.864) — https://brandsweets.com/colors/blue-ribbon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1864fb

## Tints & shades

- Tints (toward white): #2c71fc, #4582fc, #5990fc, #72a1fd, #86aefd, #9bbcfd, #b4ccfe, #c8dafe, #e1ebff, #f5f8ff
- Shades (toward black): #0455f6, #034cdd, #0343c4, #033bab, #023292, #022979, #01215f, #011846, #01102d, #000714

## Harmonies

- Complementary: #fbb018
- Analogous: #18d6fb, #3e18fb
- Triadic: #fb1864, #64fb18
- Split-complementary: #fb3e18, #d6fb18
- Tetradic: #fb18d6, #fbb018, #18fb3e

## Colors that go with #1864fb

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 #1864fb: 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), Disney (https://brandsweets.com/colors/brands/disney-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1864fb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: WWE (https://brandsweets.com/colors/brands/wwe-com), Toyota (https://brandsweets.com/colors/brands/toyota-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 #1864fb in 7 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Dropbox's brand system and MongoDB's brand system put Blue beside #1864fb, as the accent. Seen in: Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1864fb: 12 real palettes, including Nivea's brand system and Behance's brand system, as the lead colour. Seen in: Nivea (https://brandsweets.com/colors/brands/nivea-com), Behance (https://brandsweets.com/colors/brands/behance-net), Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1864fb: 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), NBA (https://brandsweets.com/colors/brands/nba-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1864fb: 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), Patreon (https://brandsweets.com/colors/brands/patreon-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1864fb: 7 real palettes, including OnePlus's brand system and ASUS's brand system, as the supporting colour. Seen in: OnePlus (https://brandsweets.com/colors/brands/oneplus-com), ASUS (https://brandsweets.com/colors/brands/asus-com), PostHog (https://brandsweets.com/colors/brands/posthog-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 4.94:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #034ad8 (7.06:1)
- On black (#000000): 4.25:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #226bfc (4.58:1); AA: background → #f5f5f5 (4.53:1); AAA: text → #5e93fd (7.07:1)

## Brands using this color

- **IBM** — secondary #0f62fe (Δ 0.735) — https://brandsweets.com/colors/brands/ibm-com
- **WWE** — accent #0166ff (Δ 0.854) — https://brandsweets.com/colors/brands/wwe-com
- **IBM** — accent #0062fe (Δ 0.963) — https://brandsweets.com/colors/brands/ibm-com
- **Docker** — secondary #2560ff (Δ 1.118) — https://brandsweets.com/colors/brands/docker-com
- **Dropbox** — secondary #0061fe (Δ 1.121) — https://brandsweets.com/colors/brands/dropbox-com
- **Nivea** — secondary #0f60ff (Δ 1.155) — https://brandsweets.com/colors/brands/nivea-com
- **Dropbox** — primary #0061ff (Δ 1.178) — https://brandsweets.com/colors/brands/dropbox-com
- **Cisco** — secondary #0a60ff (Δ 1.216) — https://brandsweets.com/colors/brands/cisco-com
- **Yahoo** — accent #0f69ff (Δ 1.246) — https://brandsweets.com/colors/brands/yahoo-com
- **Toyota** — accent #145fff (Δ 1.279) — https://brandsweets.com/colors/brands/toyota-com
- **Behance** — primary #1769ff (Δ 1.288) — https://brandsweets.com/colors/brands/behance-net
- **OnePlus** — accent #2660f5 (Δ 1.313) — https://brandsweets.com/colors/brands/oneplus-com
- **Square** — primary #006aff (Δ 1.449) — https://brandsweets.com/colors/brands/squareup-com
- **Square** — accent #006aff (Δ 1.449) — https://brandsweets.com/colors/brands/squareup-com
- **Wayfair** — secondary #1364f1 (Δ 1.54) — https://brandsweets.com/colors/brands/wayfair-com
- **Spectrum** — accent #005eff (Δ 1.712) — https://brandsweets.com/colors/brands/spectrum-com
- **MongoDB** — secondary #006cfa (Δ 1.783) — https://brandsweets.com/colors/brands/mongodb-com
- **Zoom** — primary #0b5cff (Δ 1.976) — https://brandsweets.com/colors/brands/zoom-us
- **Zoom** — secondary #0b5cff (Δ 1.976) — https://brandsweets.com/colors/brands/zoom-us

## 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/1864fb-9ca5c4-df694e-211f2d-e9f0f1?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: "#1864fb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.