# #ca543f

A color — warm. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ca543f`
- RGB: rgb(202, 84, 63)
- HSL: hsl(9, 57%, 52%)
- OKLCH: oklch(0.595 0.155 32.1)
- Relative luminance: 0.1926
- Nearest named color: Autumn Fire (#c44e4f, Δ 2.948) — https://brandsweets.com/colors/autumn-fire
- Moods: warm
- Page: https://brandsweets.com/colors/ca543f

## Tints & shades

- Tints (toward white): #d06653, #d47463, #da8677, #de9487, #e4a69b, #e9b8af, #edc6bf, #f3d8d3, #f7e6e3, #fdf8f7
- Shades (toward black): #bc4834, #a8402e, #983a2a, #843324, #702b1f, #5c2319, #481c14, #38150f, #240e0a, #100604

## Harmonies

- Complementary: #3fb5ca
- Analogous: #ca3f70, #ca9a3f
- Triadic: #3fca54, #543fca
- Split-complementary: #3fca9a, #3f70ca
- Tetradic: #70ca3f, #3fb5ca, #9a3fca

## Colors that go with #ca543f

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 #ca543f: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #ca543f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Zed (https://brandsweets.com/colors/brands/zed-dev), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #ca543f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Coinbase (https://brandsweets.com/colors/brands/coinbase), Netflix (https://brandsweets.com/colors/brands/netflix), 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 #ca543f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ca543f in 7 real palettes, including Trailhead and Google's brand system, as the accent. Seen in: Trailhead (https://brandsweets.com/palettes/warm#trailhead), Google (https://brandsweets.com/colors/brands/google-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #ca543f, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #ca543f: 4 real palettes, including Clean Beauty and Diner, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Diner (https://brandsweets.com/palettes/vivid#diner), Dusk (https://brandsweets.com/palettes/cool#dusk), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including LG's brand system and BrandSweets's brand system put Champagne beside #ca543f, as the accent. Seen in: LG (https://brandsweets.com/colors/brands/lg-com), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 4.33:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #c84d37 (4.59:1); AA: background → #0a0a0a (4.57:1); AAA: text → #983a2a (7.06:1)
- On black (#000000): 4.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #d87f6f (7.19:1)

## Brands using this color

- **Sourcegraph** — accent #d14d41 (Δ 1.782) — https://brandsweets.com/colors/brands/sourcegraph-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ca543f-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: "#ca543f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.