# #b72a33

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

## Values

- Hex: `#b72a33`
- RGB: rgb(183, 42, 51)
- HSL: hsl(356, 63%, 44%)
- OKLCH: oklch(0.514 0.177 23)
- Relative luminance: 0.1196
- Nearest named color: firebrick (#b22222, Δ 2.138) — https://brandsweets.com/colors/firebrick
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/b72a33

## Tints & shades

- Tints (toward white): #cc2e39, #d5444e, #d95961, #df7279, #e4868d, #e89ba0, #eeb4b8, #f3c9cc, #f8e2e3, #fdf7f7
- Shades (toward black): #a6262e, #96222a, #851e25, #741a20, #64171c, #531317, #430f13, #320b0e, #210809, #110405

## Harmonies

- Complementary: #2ab7ad
- Analogous: #b72a7a, #b7672a
- Triadic: #33b72a, #2a33b7
- Split-complementary: #2ab767, #2a7ab7
- Tetradic: #7ab72a, #2ab7ad, #672ab7

## Colors that go with #b72a33

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 #b72a33 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com), Bose (https://brandsweets.com/colors/brands/bose-com), 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 #b72a33: 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 #b72a33 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #b72a33 in 6 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
- **Blue** #0000ff [pool] — 4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #b72a33, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #b72a33: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #b72a33: 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
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b72a33 in 6 real palettes, including Olive Grove and BrandSweets's brand system, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 6.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a6262e (7.15:1)
- On black (#000000): 3.39:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d33c46 (4.5:1); AA: background → #dedede (4.6:1); AAA: text → #e0767d (7.06:1)

## Brands using this color

- **Tommy Hilfiger** — secondary #b9252d (Δ 0.747) — https://brandsweets.com/colors/brands/tommy-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/b72a33-c49e9c-62cb91-2d241f-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: "#b72a33" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.