# #679ff9

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

## Values

- Hex: `#679ff9`
- RGB: rgb(103, 159, 249)
- HSL: hsl(217, 92%, 69%)
- OKLCH: oklch(0.704 0.145 259.5)
- Relative luminance: 0.3452
- Nearest named color: cornflowerblue (#6495ed, Δ 2.971) — https://brandsweets.com/colors/cornflowerblue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/679ff9

## Tints & shades

- Tints (toward white): #76a8f9, #85b2fa, #93bbfb, #a2c4fb, #b1cdfc, #bad4fc, #c9ddfd, #d8e6fd, #e7f0fe, #f5f9ff
- Shades (toward black): #4a8cf7, #2877f6, #0a64f5, #0956d3, #084ab5, #063c93, #053076, #032253, #021636, #010814

## Harmonies

- Complementary: #f9c167
- Analogous: #67e8f9, #7867f9
- Triadic: #f9679f, #9ff967
- Split-complementary: #f97867, #e8f967
- Tetradic: #f967e8, #f9c167, #67f978

## Colors that go with #679ff9

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 #679ff9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Mercury (https://brandsweets.com/colors/brands/mercury-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #679ff9 in 7 real palettes, including NBA's brand system and Ahrefs's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #679ff9, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #679ff9 in 4 real palettes, including Ahrefs's brand system and Learning App, as the lead colour. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app), Elastic (https://brandsweets.com/colors/brands/elastic-co), Playground (https://brandsweets.com/palettes/bold#playground). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #679ff9: 7 real palettes, including Coca-Cola's brand system and Apple's brand system, as the accent. Seen in: 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), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Gold** #ffd700 [pool] — Gold shows up next to #679ff9 in 4 real palettes, including Miro's brand system and Prime Video's brand system, as the lead colour. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com). — https://brandsweets.com/colors/gold
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #679ff9 in 4 real palettes, including Terminal and Spotify's brand system, as the lead colour. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/mediumseagreen
- **Peru** #cd853f [harmony: complementary] — Peru sits directly opposite #679ff9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/peru

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

- On white (#ffffff): 2.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #196df5 (4.62:1); AA: background → #363636 (4.55:1); AAA: text → #0850c4 (7.11:1); AAA: background → #121212 (7.05:1)
- On black (#000000): 7.9:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Blue Mono** (monochrome, cool, clean, technical) — #1e40af, #60a5fa, #bfdbfe, #f8fafc, #172554 — One blue at four lightnesses — monochromatic in the colour-theory sense; the deep step is the text, the pale step the surface tint. — tool: https://brandsweets.com/palettes/new/1e40af-60a5fa-bfdbfe-f8fafc-172554 — collection: https://brandsweets.com/palettes/monochrome

## 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/679ff9-9ca7c4-df624e-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: "#679ff9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.