# #c73e1f

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

## Values

- Hex: `#c73e1f`
- RGB: rgb(199, 62, 31)
- HSL: hsl(11, 73%, 45%)
- OKLCH: oklch(0.56 0.179 34)
- Relative luminance: 0.1569
- Nearest named color: Bolognese (#bb4400, Δ 3.02) — https://brandsweets.com/colors/bolognese
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c73e1f

## Tints & shades

- Tints (toward white): #dd4522, #e15b3d, #e46e53, #e88069, #ec9783, #efa99a, #f3bcb0, #f6cfc6, #fae5e0, #fef8f6
- Shades (toward black): #b5381c, #a33319, #922d17, #802814, #6e2211, #581b0e, #47160b, #351008, #230b06, #120503

## Harmonies

- Complementary: #1fa8c7
- Analogous: #c71f54, #c7911f
- Triadic: #1fc73e, #3e1fc7
- Split-complementary: #1fc791, #1f54c7
- Tetradic: #54c71f, #1fa8c7, #911fc7

## Colors that go with #c73e1f

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 body-text near-black for #c73e1f: 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), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #c73e1f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #c73e1f — 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), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #c73e1f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Honda (https://brandsweets.com/colors/brands/honda-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c73e1f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #c73e1f in 7 real palettes, including Trailhead and McDonald's's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #c73e1f, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Woodsmoke and LG's brand system put Champagne beside #c73e1f, as the text colour against it. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), LG (https://brandsweets.com/colors/brands/lg-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 5.08:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9f3119 (7.17:1)
- On black (#000000): 4.14:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d44221 (4.6:1); AA: background → #f2f2f2 (4.53:1); AAA: text → #e6755c (7.06:1)

## Brands using this color

- **IHG** — secondary #c7370f (Δ 1.151) — https://brandsweets.com/colors/brands/ihg-com
- **Aesop** — secondary #ca432f (Δ 1.525) — https://brandsweets.com/colors/brands/aesop-com
- **Etsy** — secondary #cf4018 (Δ 1.747) — https://brandsweets.com/colors/brands/etsy-com
- **Casper Sleep** — primary #cc3b31 (Δ 1.972) — https://brandsweets.com/colors/brands/casper-com

## Curated palettes containing it

- **Gallery** (editorial, minimal, light) — #171717, #737373, #c2410c, #ffffff — Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work. — tool: https://brandsweets.com/palettes/new/171717-737373-c2410c-ffffff — collection: https://brandsweets.com/palettes/editorial
- **Trailhead** (warm, bold, vivid) — #c2410c, #365314, #fbbf24, #f4efe6, #1f1a12 — Rust, pine and sun — high-visibility earth tones that read at a distance and on a trail sign. — tool: https://brandsweets.com/palettes/new/c2410c-365314-fbbf24-f4efe6-1f1a12 — collection: https://brandsweets.com/palettes/warm
- **Garnet** (jewel-tones, warm, dark, bold) — #9b1c31, #c2410c, #facc15, #1a0b0f, #fbeaea — Garnet, carnelian and citrine on a wine-black — the warm jewel set for spirits, theatre and jewellery itself. — tool: https://brandsweets.com/palettes/new/9b1c31-c2410c-facc15-1a0b0f-fbeaea — collection: https://brandsweets.com/palettes/jewel-tones

## 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/c73e1f-c4a89c-62cbab-2d281f-f1e9ec?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: "#c73e1f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.