# #179ecf

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

## Values

- Hex: `#179ecf`
- RGB: rgb(23, 158, 207)
- HSL: hsl(196, 80%, 45%)
- OKLCH: oklch(0.656 0.126 230.1)
- Relative luminance: 0.2914
- Nearest named color: Blue Burst (#309cd0, Δ 1.042) — https://brandsweets.com/colors/blue-burst
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/179ecf

## Tints & shades

- Tints (toward white): #19afe6, #35b9e9, #4cc1eb, #63c9ee, #7ed2f1, #95daf3, #ace2f6, #c3eaf8, #dff4fb, #f6fcfe
- Shades (toward black): #1590bc, #1382aa, #117497, #0f6685, #0d5873, #0a465c, #083849, #062a37, #041c25, #020e12

## Harmonies

- Complementary: #cf4817
- Analogous: #17cfa4, #1742cf
- Triadic: #cf179e, #9ecf17
- Split-complementary: #cf1742, #cfa417
- Tetradic: #a417cf, #cf4817, #42cf17

## Colors that go with #179ecf

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 #179ecf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #179ecf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Substack (https://brandsweets.com/colors/brands/substack-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/tomato
- **Amber** #ffbf00 [pool] — Amber is paired with #179ecf in 8 real palettes, including Beach Hut and Salesforce's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #179ecf, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #179ecf: 4 real palettes, including Blue Mono and Hershey's's brand system, as the lead colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), 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). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #179ecf in 5 real palettes, including Diner and NASCAR's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #179ecf in 4 real palettes, including Elastic's brand system and Learning App, as the lead colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com). — https://brandsweets.com/colors/darkorange
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #179ecf: 5 real palettes, including Telegram's brand system and Snowflake AI Data Cloud's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Remix (https://brandsweets.com/colors/brands/remix-run), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #127ea5 (4.61:1); AA: background → #2b2b2b (4.6:1); AAA: text → #0e5f7c (7.13:1)
- On black (#000000): 6.83:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #17a1d3 (7.08:1)

## Brands using this color

- **SoFi** — secondary #00a2c7 (Δ 1.924) — https://brandsweets.com/colors/brands/sofi-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/179ecf-9cb5c4-df4e6e-1f232d-e9f1ef?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: "#179ecf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.