# #668cc2

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

## Values

- Hex: `#668cc2`
- RGB: rgb(102, 140, 194)
- HSL: hsl(215, 43%, 58%)
- OKLCH: oklch(0.634 0.092 257.2)
- Relative luminance: 0.2548
- Nearest named color: Galactic Gossamer (#7f8cb8, Δ 3.378) — https://brandsweets.com/colors/galactic-gossamer
- Moods: cool, modern
- Page: https://brandsweets.com/colors/668cc2

## Tints & shades

- Tints (toward white): #7497c8, #83a2ce, #92add3, #a0b8d9, #afc3df, #bdcee5, #ccd9eb, #dbe4f0, #e9eff6, #f8fafc
- Shades (toward black): #547fbb, #446fab, #3d6399, #345583, #2d4971, #263e5f, #1d2f49, #162437, #0d1521, #06090f

## Harmonies

- Complementary: #c29c66
- Analogous: #66bac2, #6e66c2
- Triadic: #c2668c, #8cc266
- Split-complementary: #c26e66, #bac266
- Tetradic: #c266ba, #c29c66, #66c26e

## Colors that go with #668cc2

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 #668cc2: 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #668cc2 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #668cc2 in 10 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Google (https://brandsweets.com/colors/brands/google-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #668cc2: 6 real palettes, including Hershey's's brand system and Blue Mono, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #668cc2 in 8 real palettes, including Retro Pop and NASCAR's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #668cc2 in 4 real palettes, including Elastic's brand system and Playground, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #668cc2: 9 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Patreon (https://brandsweets.com/colors/brands/patreon-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #668cc2: 19 real palettes, including Gopro's brand system and Dusk, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Dusk (https://brandsweets.com/palettes/cool#dusk), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4976b6 (4.62:1); AA: background → #242424 (4.51:1); AAA: text → #375a8b (7.01:1)
- On black (#000000): 6.1:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7497c8 (7:1)

## 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/668cc2-9ca8c4-df5d4e-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: "#668cc2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.