# #178497

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

## Values

- Hex: `#178497`
- RGB: rgb(23, 132, 151)
- HSL: hsl(189, 74%, 34%)
- OKLCH: oklch(0.565 0.094 213.2)
- Relative luminance: 0.1892
- Nearest named color: Ahoy! Blue (#0082a1, Δ 1.9) — https://brandsweets.com/colors/ahoy-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/178497

## Tints & shades

- Tints (toward white): #1b9bb1, #1fb6d1, #2ec5e0, #4ecee4, #68d5e8, #83ddec, #a2e5f1, #bcedf5, #dcf5fa, #f6fdfe
- Shades (toward black): #15788a, #136c7c, #11616f, #0f5562, #0d4a54, #0b3e47, #09323a, #07272c, #051b1f, #030f12

## Harmonies

- Complementary: #972a17
- Analogous: #17976a, #174397
- Triadic: #971784, #849717
- Split-complementary: #971743, #976a17
- Tetradic: #6a1797, #972a17, #439717

## Colors that go with #178497

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 #178497: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #178497: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Wellness (https://brandsweets.com/palettes/warm#wellness), Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Rust** #b7410e [harmony, pool: complementary] — Rust sits directly opposite #178497 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/rust
- **Amber** #ffbf00 [pool] — Amber is paired with #178497 in 4 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #178497: 6 real palettes, including Glacier and Hershey's's brand system, as the accent. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #178497 in 12 real palettes, including Redfin's brand system and Retro Pop, as the lead colour. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #178497: 4 real palettes, including Deep Water and Telegram's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #178497: 17 real palettes, including Discover's brand system and Peacock, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.39:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #168092 (4.63:1); AA: background → #0a0a0a (4.51:1); AAA: text → #11616f (7.09:1)
- On black (#000000): 4.78:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1da6bf (7.26:1)

## Brands using this color

- **Perplexity** — primary #20808d (Δ 1.665) — https://brandsweets.com/colors/brands/perplexity
- **Redfin** — accent #00828c (Δ 1.905) — https://brandsweets.com/colors/brands/redfin-com

## 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/178497-a2b7be-df4e7e-1f252d-e9f1ee?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: "#178497" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.