# #2f91bc

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

## Values

- Hex: `#2f91bc`
- RGB: rgb(47, 145, 188)
- HSL: hsl(198, 60%, 46%)
- OKLCH: oklch(0.62 0.109 231.6)
- Relative luminance: 0.2449
- Nearest named color: Blue Moon (#3992a8, Δ 3.209) — https://brandsweets.com/colors/blue-moon
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2f91bc

## Tints & shades

- Tints (toward white): #37a0cd, #4baad2, #64b5d8, #78bfdd, #8dc9e2, #a1d2e8, #b6dced, #cee8f3, #e2f1f8, #f7fbfd
- Shades (toward black): #2b85ab, #27789b, #226887, #1e5c76, #1a4f66, #154256, #113645, #0c2631, #081921, #040d10

## Harmonies

- Complementary: #bc592f
- Analogous: #2fbca0, #2f4bbc
- Triadic: #bc2f91, #91bc2f
- Split-complementary: #bc2f4b, #bca02f
- Tetradic: #a02fbc, #bc592f, #4bbc2f

## Colors that go with #2f91bc

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 #2f91bc: softer than #000 and cool enough to feel like part of the same palette. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #2f91bc: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [harmony, pool: analogous] — Dodger Blue is #2f91bc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), PostHog (https://brandsweets.com/colors/brands/posthog-com). — https://brandsweets.com/colors/dodgerblue
- **Amber** #ffbf00 [pool] — Amber is paired with #2f91bc in 8 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), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #2f91bc: 6 real palettes, including Hershey's's brand system and Glacier, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #2f91bc: 8 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), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #2f91bc: 19 real palettes, including Gopro's brand system and American Express's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #2f91bc in 6 real palettes, including Ledger Dark and Chevrolet's brand system, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Disney (https://brandsweets.com/colors/brands/disney-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 3.56:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #297ea3 (4.56:1); AA: background → #212121 (4.52:1); AAA: text → #1f5f7a (7.06:1)
- On black (#000000): 5.9:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #37a0cd (7.07:1)

## 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/2f91bc-9cb3c4-df4e69-1f232d-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: "#2f91bc" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.