# #369fd3

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

## Values

- Hex: `#369fd3`
- RGB: rgb(54, 159, 211)
- HSL: hsl(200, 64%, 52%)
- OKLCH: oklch(0.666 0.121 234.7)
- Relative luminance: 0.3028
- Nearest named color: Blue Burst (#309cd0, Δ 1.005) — https://brandsweets.com/colors/blue-burst
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/369fd3

## Tints & shades

- Tints (toward white): #4ba9d8, #5cb1db, #71bbe0, #82c3e3, #96cde8, #abd7ed, #bcdff0, #d1e9f5, #e2f1f9, #f7fbfd
- Shades (toward black): #2b91c5, #2782b0, #23769f, #1e668a, #1a5775, #154760, #11384b, #0d2b3b, #081c26, #040c11

## Harmonies

- Complementary: #d36a36
- Analogous: #36d3b9, #3650d3
- Triadic: #d3369f, #9fd336
- Split-complementary: #d33650, #d3b936
- Tetradic: #b936d3, #d36a36, #50d336

## Colors that go with #369fd3

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 #369fd3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Blizzard (https://brandsweets.com/colors/brands/blizzard-com). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #369fd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Substack (https://brandsweets.com/colors/brands/substack-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), Replit (https://brandsweets.com/colors/brands/replit). — https://brandsweets.com/colors/tomato
- **Bronze** #cd7f32 [harmony, pool: complementary] — Bronze sits directly opposite #369fd3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/bronze
- **Amber** #ffbf00 [pool] — Amber is paired with #369fd3 in 8 real palettes, including Salesforce's brand system and NBA's brand system, as the accent. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Qualcomm's brand system put Blue beside #369fd3, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #369fd3 in 5 real palettes, including Riot Games's brand system and Diner, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Diner (https://brandsweets.com/palettes/vivid#diner), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #369fd3 in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #369fd3: 11 real palettes, including Gopro's brand system and Coca-Cola's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Apple (https://brandsweets.com/colors/brands/apple-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 2.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #257ca7 (4.65:1); AA: background → #2e2e2e (4.56:1); AAA: text → #1c5d7d (7.21:1); AAA: background → #000000 (7.06:1)
- On black (#000000): 7.06:1 — AA pass, AA-large pass, AAA pass

## 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/369fd3-9cb2c4-df4e64-1f232d-e9f1f0?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: "#369fd3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.