# #b2011b

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

## Values

- Hex: `#b2011b`
- RGB: rgb(178, 1, 27)
- HSL: hsl(351, 99%, 35%)
- OKLCH: oklch(0.481 0.195 25)
- Relative luminance: 0.0957
- Nearest named color: All Systems Red (#b30103, Δ 1.352) — https://brandsweets.com/colors/all-systems-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b2011b

## Tints & shades

- Tints (toward white): #d00120, #f40126, #fe1638, #fe3452, #fe5871, #fe768a, #fe94a4, #ffb3be, #ffd6dc, #fff5f6
- Shades (toward black): #a20119, #930117, #840114, #750112, #650110, #51000d, #42000a, #330008, #240005, #140003

## Harmonies

- Complementary: #01b297
- Analogous: #b20174, #b23f01
- Triadic: #1bb201, #011bb2
- Split-complementary: #01b23f, #0174b2
- Tetradic: #74b201, #01b297, #3f01b2

## Colors that go with #b2011b

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 #b2011b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #b2011b: 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 #b2011b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #b2011b 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 #b2011b: 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), Reebok (https://brandsweets.com/colors/brands/reebok-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b2011b in 4 real palettes, including Olive Grove and Cider, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #b2011b: 11 real palettes, including Campbell's's brand system and State Farm's brand system, as the accent. Seen in: Campbell's (https://brandsweets.com/colors/brands/campbells-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b2011b: 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): 7.21:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.91:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #ef0125 (4.7:1); AA: background → #cfcfcf (4.63:1); AAA: text → #fe5d75 (7.04:1); AAA: background → #fcfcfc (7.03:1)

## Brands using this color

- **Twilio** — accent #b10f23 (Δ 0.768) — https://brandsweets.com/colors/brands/twilio-com
- **Wendy's** — secondary #b0161f (Δ 1.047) — https://brandsweets.com/colors/brands/wendys-com
- **Trader Joe's** — accent #af0006 (Δ 1.387) — https://brandsweets.com/colors/brands/traderjoes-com
- **In-N-Out Burger** — secondary #b60000 (Δ 1.655) — https://brandsweets.com/colors/brands/in-n-out-com
- **Bose** — accent #ad0000 (Δ 1.857) — https://brandsweets.com/colors/brands/bose-com

## 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/b2011b-c49c9e-62cb89-2d231f-f1e9ee?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: "#b2011b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.