# #e53e10 A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference). ## Values - Hex: `#e53e10` - RGB: rgb(229, 62, 16) - HSL: hsl(13, 87%, 48%) - OKLCH: oklch(0.61 0.21 34.4) - Relative luminance: 0.2014 - Nearest named color: Baptism by Fire (#e6490b, Δ 1.765) — https://brandsweets.com/colors/baptism-by-fire - Moods: warm, vivid, playful, bold - Page: https://brandsweets.com/colors/e53e10 ## Tints & shades - Tints (toward white): #ef4c1f, #f15f37, #f3724f, #f48566, #f6987e, #f8ab96, #f9beae, #fbd1c6, #fde4de, #fef7f5 - Shades (toward black): #d2390f, #ba320d, #a72d0c, #8f270a, #7c2209, #691c07, #511606, #3e1104, #260a03, #130501 ## Harmonies - Complementary: #10b7e5 - Analogous: #e5104c, #e5a910 - Triadic: #10e53e, #3e10e5 - Split-complementary: #10e5a9, #104ce5 - Tetradic: #4ce510, #10b7e5, #a910e5 ## Colors that go with #e53e10 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 #e53e10: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: 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), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal - **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #e53e10 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), Wellness (https://brandsweets.com/palettes/warm#wellness), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/seagreen - **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #e53e10: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/steelblue - **Amber** #ffbf00 [pool] — Amber is paired with #e53e10 in 7 real palettes, including Google's brand system and McDonald's's brand system, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber - **Blue** #0000ff [pool] — 9 real palettes, including Doordash's brand system and Glossier's brand system put Blue beside #e53e10, as the accent. Seen in: Doordash (https://brandsweets.com/colors/brands/doordash-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Gap (https://brandsweets.com/colors/brands/gap-com). — https://brandsweets.com/colors/blue - **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #e53e10: 4 real palettes, including Diner and Alpine, as the supporting colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Alpine (https://brandsweets.com/palettes/cool#alpine), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue - **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #e53e10: 5 real palettes, including Walgreens's brand system and NASA's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/cobalt - **Denim** #1560bd [pool] — Designers have shipped Denim with #e53e10: 19 real palettes, including Postman's brand system and McDonald's's brand system, as the accent. Seen in: Postman (https://brandsweets.com/colors/brands/postman-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Etsy (https://brandsweets.com/colors/brands/etsy-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim ## Contrast (WCAG 2.x, as text) - On white (#ffffff): 4.18:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #db3b0f (4.52:1); AA: background → #0f0f0f (4.59:1); AAA: text → #a22c0b (7.24:1) - On black (#000000): 5.03:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f26e4a (7.1:1) ## Brands using this color - **Hyundai** — secondary #e63312 (Δ 1.403) — https://brandsweets.com/colors/brands/hyundaiusa-com - **Todoist** — secondary #e34432 (Δ 1.949) — https://brandsweets.com/colors/brands/todoist-com - **Todoist** — accent #e44232 (Δ 1.963) — https://brandsweets.com/colors/brands/todoist-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/e53e10-c4a99c-62cbaf-2d281f-f1e9eb?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: "#e53e10" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.