# #186bfb

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

## Values

- Hex: `#186bfb`
- RGB: rgb(24, 107, 251)
- HSL: hsl(218, 97%, 54%)
- OKLCH: oklch(0.572 0.228 261.1)
- Relative luminance: 0.1767
- Nearest named color: Bluerocratic (#1f66ff, Δ 1.261) — https://brandsweets.com/colors/bluerocratic
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/186bfb

## Tints & shades

- Tints (toward white): #2c78fc, #4588fc, #5995fc, #72a5fd, #86b2fd, #9bbffd, #b4cffe, #c8dcfe, #e1ecff, #f5f9ff
- Shades (toward black): #045df6, #0353dd, #034ac4, #0340ab, #023792, #022d79, #01245f, #011a46, #01112d, #000814

## Harmonies

- Complementary: #fba818
- Analogous: #18ddfb, #3618fb
- Triadic: #fb186b, #6bfb18
- Split-complementary: #fb3618, #ddfb18
- Tetradic: #fb18dd, #fba818, #18fb36

## Colors that go with #186bfb

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 #186bfb: 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 #186bfb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), WWE (https://brandsweets.com/colors/brands/wwe-com), Toyota (https://brandsweets.com/colors/brands/toyota-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/crimson
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #186bfb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #186bfb in 8 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] — 14 real palettes, including MongoDB's brand system and EA's brand system put Blue beside #186bfb, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com), BBC (https://brandsweets.com/colors/brands/bbc-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #186bfb: 13 real palettes, including Behance's brand system and Nivea's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Nivea (https://brandsweets.com/colors/brands/nivea-com), 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 #186bfb: 6 real palettes, including Webflow's brand system and Roblox's brand system, as the accent. Seen in: Webflow (https://brandsweets.com/colors/brands/webflow-com), Roblox (https://brandsweets.com/colors/brands/roblox-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 #186bfb: 8 real palettes, including Elastic's brand system and Patreon's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Patreon (https://brandsweets.com/colors/brands/patreon-com), Calm (https://brandsweets.com/colors/brands/calm-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.63:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #034ece (7.04:1)
- On black (#000000): 4.53:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5995fc (7.13:1)

## Brands using this color

- **MongoDB** — secondary #006cfa (Δ 0.61) — https://brandsweets.com/colors/brands/mongodb-com
- **Elastic** — accent #0d6efd (Δ 0.74) — https://brandsweets.com/colors/brands/elastic-co
- **Behance** — primary #1769ff (Δ 0.762) — https://brandsweets.com/colors/brands/behance-net
- **Yahoo** — accent #0f69ff (Δ 0.838) — https://brandsweets.com/colors/brands/yahoo-com
- **Square** — primary #006aff (Δ 0.891) — https://brandsweets.com/colors/brands/squareup-com
- **Square** — accent #006aff (Δ 0.891) — https://brandsweets.com/colors/brands/squareup-com
- **Webflow** — primary #146cf4 (Δ 1.098) — https://brandsweets.com/colors/brands/webflow-com
- **Ubisoft** — accent #006ef5 (Δ 1.249) — https://brandsweets.com/colors/brands/ubisoft-com
- **WWE** — accent #0166ff (Δ 1.535) — https://brandsweets.com/colors/brands/wwe-com
- **Rotten Tomatoes** — secondary #326af6 (Δ 1.537) — https://brandsweets.com/colors/brands/rottentomatoes-com
- **GEICO** — secondary #026df1 (Δ 1.688) — https://brandsweets.com/colors/brands/geico-com
- **EA** — accent #0070f3 (Δ 1.743) — https://brandsweets.com/colors/brands/ea-com
- **Vercel** — accent #0070f3 (Δ 1.743) — https://brandsweets.com/colors/brands/vercel

## 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/186bfb-9ca6c4-df644e-201f2d-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: "#186bfb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.