# #c71e00

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

## Values

- Hex: `#c71e00`
- RGB: rgb(199, 30, 0)
- HSL: hsl(9, 100%, 39%)
- OKLCH: oklch(0.532 0.204 31.5)
- Relative luminance: 0.1307
- Nearest named color: Blood Kiss (#c30b0a, Δ 1.83) — https://brandsweets.com/colors/blood-kiss
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c71e00

## Tints & shades

- Tints (toward white): #e62200, #ff2b05, #ff4524, #ff5f42, #ff7961, #ff8e7a, #ffa899, #ffc2b8, #ffdcd6, #fff6f5
- Shades (toward black): #b81c00, #a31800, #941600, #801300, #701100, #5c0e00, #4d0b00, #380800, #290600, #140300

## Harmonies

- Complementary: #00a9c7
- Analogous: #c70046, #c78100
- Triadic: #00c71e, #1e00c7
- Split-complementary: #00c781, #0046c7
- Tetradic: #46c700, #00a9c7, #8100c7

## Colors that go with #c71e00

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 #c71e00: 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 #c71e00 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #c71e00 — 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 #c71e00: 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), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #c71e00 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 #c71e00 in 6 real palettes, including Maple and Trailhead, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Ember (https://brandsweets.com/palettes/bold#ember). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 6 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #c71e00, 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #c71e00: 4 real palettes, including Behance's brand system and MLB's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), MLB (https://brandsweets.com/colors/brands/mlb-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 5.81:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ad1a00 (7.18:1)
- On black (#000000): 3.61:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e62200 (4.59:1); AA: background → #e3e3e3 (4.53:1); AAA: text → #ff6347 (7.13:1)

## Brands using this color

- **3M** — secondary #c80000 (Δ 1.604) — https://brandsweets.com/colors/brands/3m-com
- **Honda** — secondary #cc0000 (Δ 1.622) — https://brandsweets.com/colors/brands/honda-com
- **Behance** — accent #d00d00 (Δ 1.834) — https://brandsweets.com/colors/brands/behance-net
- **Huawei** — secondary #c7000b (Δ 1.84) — https://brandsweets.com/colors/brands/huawei-com
- **Budweiser** — secondary #cc0414 (Δ 1.93) — https://brandsweets.com/colors/brands/budweiser-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/c71e00-c4a79c-62cba8-2d271f-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: "#c71e00" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.