# #b50338

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#b50338`
- RGB: rgb(181, 3, 56)
- HSL: hsl(342, 97%, 36%)
- OKLCH: oklch(0.492 0.195 16.3)
- Relative luminance: 0.1017
- Nearest named color: Fancy Red Wine (#b40441, Δ 1.244) — https://brandsweets.com/colors/fancy-red-wine
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b50338

## Tints & shades

- Tints (toward white): #d30342, #f1044b, #fc1d60, #fc3b75, #fc598a, #fd779f, #fd96b5, #feb9cd, #fed7e3, #fff5f8
- Shades (toward black): #a60333, #97022f, #830229, #740224, #64021f, #55011b, #460116, #320110, #23010b, #140006

## Harmonies

- Complementary: #03b57f
- Analogous: #b50391, #b52603
- Triadic: #38b503, #0338b5
- Split-complementary: #03b526, #0391b5
- Tetradic: #91b503, #03b57f, #2603b5

## Colors that go with #b50338

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #b50338 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Bose (https://brandsweets.com/colors/brands/bose-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #b50338: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #b50338 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #b50338 in 5 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #b50338: 4 real palettes, including MLB's brand system and Behance's brand system, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Reebok (https://brandsweets.com/colors/brands/reebok-com). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b50338: 11 real palettes, including Nissan's brand system and AT&T's brand system, as the accent. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including MLB's brand system and Nintendo's brand system put Midnight Blue beside #b50338, as the lead colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/midnightblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b50338: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 6.92:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b00337 (7.21:1)
- On black (#000000): 3.03:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e70448 (4.51:1); AA: background → #d1d1d1 (4.53:1); AAA: text → #fd5e8e (7.17:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/b50338-c49ca3-62cb79-2d211f-f1e9ef?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: "#b50338" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.