# #5f78bf

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

## Values

- Hex: `#5f78bf`
- RGB: rgb(95, 120, 191)
- HSL: hsl(224, 43%, 56%)
- OKLCH: oklch(0.585 0.113 268.1)
- Relative luminance: 0.1963
- Nearest named color: Flood (#6677bb, Δ 1.023) — https://brandsweets.com/colors/flood
- Moods: cool, modern
- Page: https://brandsweets.com/colors/5f78bf

## Tints & shades

- Tints (toward white): #6d85c5, #7c91cb, #8ea0d2, #9dacd8, #abb9de, #bac5e3, #c8d1e9, #dbe0f0, #e9edf6, #f8f9fc
- Shades (toward black): #4c69b8, #435ea8, #3a5292, #334780, #2c3d6d, #24335b, #1d2949, #141d33, #0d1221, #06080f

## Harmonies

- Complementary: #bfa55f
- Analogous: #5fa9bf, #755fbf
- Triadic: #bf5f78, #78bf5f
- Split-complementary: #bf755f, #a9bf5f
- Tetradic: #bf5fa9, #bfa55f, #5fbf75

## Colors that go with #5f78bf

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 #5f78bf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Disney (https://brandsweets.com/colors/brands/disney-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #5f78bf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Intel (https://brandsweets.com/colors/brands/intel-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #5f78bf in 12 real palettes, including Wired's brand system and Beach Hut, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #5f78bf, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #5f78bf: 8 real palettes, including Hershey's's brand system and General Mills's brand system, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #5f78bf in 14 real palettes, including Marvel's brand system and NASCAR's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #5f78bf: 9 real palettes, including Astro's brand system and Telegram's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #5f78bf: 15 real palettes, including American Express's brand system and The New York Times's brand system, as the supporting colour. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Skechers (https://brandsweets.com/colors/brands/skechers-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.26:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #5772bc (4.63:1); AA: background → #0d0d0d (4.56:1); AAA: text → #3d5699 (7.02:1)
- On black (#000000): 4.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #7f94cc (7.01:1)

## 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/5f78bf-9ca2c4-df724e-221f2d-e9eff1?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: "#5f78bf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.