# #1b8fc0

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

## Values

- Hex: `#1b8fc0`
- RGB: rgb(27, 143, 192)
- HSL: hsl(198, 75%, 43%)
- OKLCH: oklch(0.613 0.12 233.1)
- Relative luminance: 0.2368
- Nearest named color: Blue Ocean (#009dc4, Δ 3.908) — https://brandsweets.com/colors/blue-ocean
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1b8fc0

## Tints & shades

- Tints (toward white): #1fa2db, #32ade2, #4cb8e6, #63c1e9, #7ecbed, #94d4f0, #afdff4, #c5e8f7, #e0f3fb, #f6fbfe
- Shades (toward black): #1981ae, #16749c, #14678a, #115a78, #0f506b, #0d4259, #0a3547, #082836, #051b24, #030d12

## Harmonies

- Complementary: #c04d1b
- Analogous: #1bc09f, #1b3cc0
- Triadic: #c01b8f, #8fc01b
- Split-complementary: #c01b3c, #c09f1b
- Tetradic: #9f1bc0, #c04d1b, #3cc01b

## Colors that go with #1b8fc0

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 #1b8fc0: 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), Lido (https://brandsweets.com/palettes/vivid#lido), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #1b8fc0: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1b8fc0 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
- **Blue** #0000ff [pool] — 6 real palettes, including Readymag's brand system and Qualcomm's brand system put Blue beside #1b8fc0, as the supporting colour. Seen in: Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #1b8fc0: 7 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 #1b8fc0: 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 #1b8fc0: 18 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 #1b8fc0 in 5 real palettes, including Chevrolet's brand system and Disney's brand system, as the accent. Seen in: Chevrolet (https://brandsweets.com/colors/brands/chevrolet-com), Disney (https://brandsweets.com/colors/brands/disney-com), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 3.66:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #187eaa (4.56:1); AA: background → #1f1f1f (4.5:1); AAA: text → #125d7d (7.27:1)
- On black (#000000): 5.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1fa2db (7.25:1)

## 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/1b8fc0-9cb3c4-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: "#1b8fc0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.