# #179bd3

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

## Values

- Hex: `#179bd3`
- RGB: rgb(23, 155, 211)
- HSL: hsl(198, 80%, 46%)
- OKLCH: oklch(0.651 0.132 234.2)
- Relative luminance: 0.2833
- Nearest named color: Blue Burst (#309cd0, Δ 1.112) — https://brandsweets.com/colors/blue-burst
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/179bd3

## Tints & shades

- Tints (toward white): #1eaae6, #35b3e9, #51bdec, #68c6ee, #7ecef1, #95d7f3, #ace0f6, #c8eaf9, #dff3fb, #f6fcfe
- Shades (toward black): #158dc1, #1380ae, #116f97, #0f6285, #0d5473, #0b4760, #09394e, #062837, #041b25, #020d12

## Harmonies

- Complementary: #d35017
- Analogous: #17d3ae, #173dd3
- Triadic: #d3179b, #9bd317
- Split-complementary: #d3173d, #d3ae17
- Tetradic: #ae17d3, #d35017, #3dd317

## Colors that go with #179bd3

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 #179bd3: 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), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Orange Red** #ff4500 [harmony, pool: split] — Orange Red is a split-complement of #179bd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Figma (https://brandsweets.com/colors/brands/figma), Substack (https://brandsweets.com/colors/brands/substack-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/orangered
- **Amber** #ffbf00 [pool] — Amber is paired with #179bd3 in 9 real palettes, including Beach Hut and Heatwave, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Unity's brand system and Readymag's brand system put Blue beside #179bd3, 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 #179bd3: 5 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 #179bd3 in 6 real palettes, including NASCAR's brand system and Retro Pop, as the supporting colour. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Diner (https://brandsweets.com/palettes/vivid#diner), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #179bd3 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 #179bd3: 7 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), Figma (https://brandsweets.com/colors/brands/figma), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 3.15:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #137daa (4.62:1); AA: background → #292929 (4.62:1); AAA: text → #0e5e81 (7.15:1)
- On black (#000000): 6.67:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #18a2dc (7.24:1)

## Brands using this color

- **Gopro** — secondary #0097d6 (Δ 1.442) — https://brandsweets.com/colors/brands/gopro-com
- **Peacock** — accent #069de0 (Δ 1.91) — https://brandsweets.com/colors/brands/peacocktv-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/179bd3-9cb3c4-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: "#179bd3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.