# #478cbd

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

## Values

- Hex: `#478cbd`
- RGB: rgb(71, 140, 189)
- HSL: hsl(205, 47%, 51%)
- OKLCH: oklch(0.616 0.102 241.9)
- Relative luminance: 0.2377
- Nearest named color: steelblue (#4682b4, Δ 2.912) — https://brandsweets.com/colors/steelblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/478cbd

## Tints & shades

- Tints (toward white): #5a98c4, #69a1c9, #7cadd0, #8fb8d6, #a1c4dd, #b0cee3, #c3d9e9, #d6e5f0, #e5eff6, #f8fafc
- Shades (toward black): #3e7eac, #39739d, #32668b, #2b5878, #264d69, #1f3f56, #183143, #122431, #0c1922, #050b0f

## Harmonies

- Complementary: #bd7847
- Analogous: #47bdb3, #4751bd
- Triadic: #bd478c, #8cbd47
- Split-complementary: #bd4751, #bdb347
- Tetradic: #b347bd, #bd7847, #51bd47

## Colors that go with #478cbd

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 #478cbd: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #478cbd 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), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Amber** #ffbf00 [pool] — Amber is paired with #478cbd in 9 real palettes, including Beach Hut and Wired's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Qualcomm's brand system and Readymag's brand system put Blue beside #478cbd, as the accent. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Unity (https://brandsweets.com/colors/brands/unity-com), Activision (https://brandsweets.com/colors/brands/activision-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #478cbd: 7 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 #478cbd in 10 real palettes, including Retro Pop and NASCAR's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #478cbd: 9 real palettes, including Telegram's brand system and Astro's brand system, as the lead colour. Seen in: Telegram (https://brandsweets.com/colors/brands/telegram-org), Astro (https://brandsweets.com/colors/brands/astro-build), 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 #478cbd: 19 real palettes, including Gopro's brand system and American Express's brand system, as the lead colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), American Express (https://brandsweets.com/colors/brands/americanexpress-com), Discover (https://brandsweets.com/colors/brands/discover-com), Capital One (https://brandsweets.com/colors/brands/capitalone-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.65:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3d7ca9 (4.51:1); AA: background → #1f1f1f (4.52:1); AAA: text → #2e5d7f (7.03:1)
- On black (#000000): 5.75:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #629cc6 (7.09:1)

## 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/478cbd-9cafc4-df4e58-1f212d-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: "#478cbd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.