# #689bc4

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

## Values

- Hex: `#689bc4`
- RGB: rgb(104, 155, 196)
- HSL: hsl(207, 44%, 59%)
- OKLCH: oklch(0.67 0.082 243.7)
- Relative luminance: 0.3037
- Nearest named color: Canadian Tuxedo (#579aca, Δ 1.926) — https://brandsweets.com/colors/canadian-tuxedo
- Moods: cool, modern
- Page: https://brandsweets.com/colors/689bc4

## Tints & shades

- Tints (toward white): #77a5ca, #86afd0, #95b8d6, #a3c2db, #b2cce1, #bdd3e5, #ccddeb, #dae7f1, #e9f0f6, #f8fafc
- Shades (toward black): #568fbd, #4580b0, #3d729e, #356388, #2e5576, #25455f, #1e384d, #152837, #0e1b25, #060b0f

## Harmonies

- Complementary: #c49268
- Analogous: #68c4c0, #686dc4
- Triadic: #c4689b, #9bc468
- Split-complementary: #c4686d, #c4c068
- Tetradic: #c068c4, #c49268, #6dc468

## Colors that go with #689bc4

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 #689bc4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: triadic] — Medium Sea Green completes a triad with #689bc4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Olympics (https://brandsweets.com/colors/brands/olympics-com), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #689bc4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #689bc4 in 9 real palettes, including NBA's brand system and Beach Hut, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Qualcomm's brand system and Unity's brand system put Blue beside #689bc4, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #689bc4: 5 real palettes, including Dusk and Atelier, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Notion (https://brandsweets.com/colors/brands/notion), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #689bc4 in 4 real palettes, including Diner and JBL's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), JBL (https://brandsweets.com/colors/brands/jbl-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #689bc4: 5 real palettes, including Snowflake AI Data Cloud's brand system and Telegram's brand system, as the supporting colour. Seen in: Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Telegram (https://brandsweets.com/colors/brands/telegram-org), Remix (https://brandsweets.com/colors/brands/remix-run), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 2.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #427aa9 (4.58:1); AA: background → #2e2e2e (4.57:1); AAA: text → #315b7d (7.18:1); AAA: background → #000000 (7.07:1)
- On black (#000000): 7.07:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/689bc4-9cadc4-df4e53-1f212d-e9f1f1?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: "#689bc4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.