# #4580c4

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

## Values

- Hex: `#4580c4`
- RGB: rgb(69, 128, 196)
- HSL: hsl(212, 52%, 52%)
- OKLCH: oklch(0.591 0.122 253.4)
- Relative luminance: 0.2069
- Nearest named color: steelblue (#4682b4, Δ 2.696) — https://brandsweets.com/colors/steelblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/4580c4

## Tints & shades

- Tints (toward white): #588eca, #6898cf, #7ba5d5, #8bb0da, #9ebde0, #b1cae7, #c1d5eb, #d4e2f2, #e4edf6, #f7fafd
- Shades (toward black): #3a74b6, #3367a3, #2f5e93, #285180, #22456d, #1c3959, #162c46, #112236, #0b1623, #050a10

## Harmonies

- Complementary: #c48945
- Analogous: #45c0c4, #4945c4
- Triadic: #c44580, #80c445
- Split-complementary: #c44945, #c0c445
- Tetradic: #c445c0, #c48945, #45c449

## Colors that go with #4580c4

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 #4580c4: 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), Plaid (https://brandsweets.com/colors/brands/plaid-com), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #4580c4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #4580c4 in 12 real palettes, including Wired's brand system and Beach Hut, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #4580c4, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #4580c4: 9 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
- **Crimson** #dc143c [pool] — Crimson is paired with #4580c4 in 15 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), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #4580c4: 9 real palettes, including Astro's brand system and Telegram's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org), 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 #4580c4: 18 real palettes, including American Express's brand system and Skechers's brand system, as the supporting colour. Seen in: American Express (https://brandsweets.com/colors/brands/americanexpress-com), Skechers (https://brandsweets.com/colors/brands/skechers-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), Discover (https://brandsweets.com/colors/brands/discover-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.09:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3b76ba (4.68:1); AA: background → #141414 (4.51:1); AAA: text → #2c598c (7.2:1)
- On black (#000000): 5.14:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6c9bd0 (7.24:1)

## 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/4580c4-9caac4-df564e-1f202d-e9f1f1?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: "#4580c4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.