# #579cc1

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

## Values

- Hex: `#579cc1`
- RGB: rgb(87, 156, 193)
- HSL: hsl(201, 46%, 55%)
- OKLCH: oklch(0.662 0.089 233.7)
- Relative luminance: 0.2965
- Nearest named color: Canadian Tuxedo (#579aca, Δ 1.634) — https://brandsweets.com/colors/canadian-tuxedo
- Moods: cool, modern
- Page: https://brandsweets.com/colors/579cc1

## Tints & shades

- Tints (toward white): #66a5c7, #79b0cd, #88b9d3, #97c1d8, #a9ccdf, #b8d5e5, #c7deea, #d6e7f0, #e9f2f7, #f8fbfc
- Shades (toward black): #4591ba, #3e83a8, #377495, #306682, #295770, #214659, #1a3747, #132934, #0c1a22, #060c0f

## Harmonies

- Complementary: #c17c57
- Analogous: #57c1b1, #5767c1
- Triadic: #c1579c, #9cc157
- Split-complementary: #c15767, #c1b157
- Tetradic: #b157c1, #c17c57, #67c157

## Colors that go with #579cc1

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 #579cc1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Peru** #cd853f [harmony, pool: complementary] — Peru sits directly opposite #579cc1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/peru
- **Amber** #ffbf00 [pool] — Amber is paired with #579cc1 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), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 5 real palettes, including Qualcomm's brand system and Unity's brand system put Blue beside #579cc1, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #579cc1: 5 real palettes, including Dusk and Notion's brand system, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #579cc1 in 6 real palettes, including Diner and Retro Pop, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #579cc1: 5 real palettes, including Snowflake AI Data Cloud's brand system and Telegram's brand system, as the supporting colour. Seen in: Snowflake AI Data Cloud (https://brandsweets.com/colors/brands/snowflake-com), Telegram (https://brandsweets.com/colors/brands/telegram-org), Remix (https://brandsweets.com/colors/brands/remix-run), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #579cc1: 9 real palettes, including Gopro's brand system and Dusk, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.03:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3b7da0 (4.54:1); AA: background → #2b2b2b (4.67:1); AAA: text → #2c5d77 (7.14:1)
- On black (#000000): 6.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #5b9ec2 (7.11:1)

## Fonts for this mood

- 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/579cc1-9cb1c4-df4e62-1f222d-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: "#579cc1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.