# #c42003 A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference). ## Values - Hex: `#c42003` - RGB: rgb(196, 32, 3) - HSL: hsl(9, 97%, 39%) - OKLCH: oklch(0.527 0.2 31.6) - Relative luminance: 0.1278 - Nearest named color: Blood Kiss (#c30b0a, Δ 1.626) — https://brandsweets.com/colors/blood-kiss - Moods: warm, vivid, playful, bold - Page: https://brandsweets.com/colors/c42003 ## Tints & shades - Tints (toward white): #e22503, #fb2d09, #fc4727, #fc6145, #fd7a63, #fd907c, #fda99b, #fec3b9, #feddd7, #fff6f5 - Shades (toward black): #b51d03, #a11a02, #921802, #7e1402, #6f1202, #5a0f01, #4b0c01, #370901, #280701, #140300 ## Harmonies - Complementary: #03a7c4 - Analogous: #c40347, #c48003 - Triadic: #03c420, #2003c4 - Split-complementary: #03c480, #0347c4 - Tetradic: #47c403, #03a7c4, #8003c4 ## Colors that go with #c42003 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 #c42003: 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 #c42003 — 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), Bose (https://brandsweets.com/colors/brands/bose-com). — https://brandsweets.com/colors/royalblue - **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #c42003 — 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 #c42003: 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 #c42003 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal - **Amber** #ffbf00 [pool] — Amber is paired with #c42003 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), Ember (https://brandsweets.com/palettes/bold#ember), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber - **Blue** #0000ff [pool] — 5 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #c42003, 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 #c42003: 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): 5.91:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ab1c03 (7.24:1) - On black (#000000): 3.56:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e72604 (4.68:1); AA: background → #e3e3e3 (4.6:1); AAA: text → #fc654a (7.1:1) ## Brands using this color - **3M** — secondary #c80000 (Δ 1.734) — https://brandsweets.com/colors/brands/3m-com - **Huawei** — secondary #c7000b (Δ 1.891) — https://brandsweets.com/colors/brands/huawei-com - **Honda** — secondary #cc0000 (Δ 1.998) — https://brandsweets.com/colors/brands/honda-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/c42003-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: "#c42003" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.