# #a64d21

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

## Values

- Hex: `#a64d21`
- RGB: rgb(166, 77, 33)
- HSL: hsl(20, 67%, 39%)
- OKLCH: oklch(0.526 0.13 44.2)
- Relative luminance: 0.1352
- Nearest named color: sienna (#a0522d, Δ 1.515) — https://brandsweets.com/colors/sienna
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/a64d21

## Tints & shades

- Tints (toward white): #c05926, #d6662e, #db7948, #e08c61, #e59e7b, #e9ae90, #eec1aa, #f3d3c3, #f8e6dd, #fdf9f6
- Shades (toward black): #99471e, #883f1b, #7b3918, #6a3215, #5e2c13, #4d240f, #401e0d, #2f1609, #221007, #110803

## Harmonies

- Complementary: #217aa6
- Analogous: #a62137, #a69021
- Triadic: #21a64d, #4d21a6
- Split-complementary: #21a690, #2137a6
- Tetradic: #37a621, #217aa6, #9021a6

## Colors that go with #a64d21

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #a64d21's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com), Huawei (https://brandsweets.com/colors/brands/huawei-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #a64d21: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Bose (https://brandsweets.com/colors/brands/bose-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #a64d21 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), Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #a64d21 in 4 real palettes, including Ember and Trailhead, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Maple (https://brandsweets.com/palettes/warm#maple), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 5 real palettes, including BrandSweets's brand system and Woodsmoke put Champagne beside #a64d21. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Bramble (https://brandsweets.com/palettes/muted#bramble), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a64d21 in 6 real palettes, including BrandSweets's brand system and Olive Grove. Seen in: BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #a64d21: 10 real palettes, including Dyson's brand system and Etsy's brand system, as the accent. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com), Etsy (https://brandsweets.com/colors/brands/etsy-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #a64d21: 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). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 5.67:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8d411c (7.23:1)
- On black (#000000): 3.7:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #bb5725 (4.5:1); AA: background → #e6e6e6 (4.54:1); AAA: text → #dc7c4c (7.03:1)

## Brands using this color

- **BrandSweets** — primary #a4501c (Δ 0.942) — https://brandsweets.com/colors/brands/brandsweets

## 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/a64d21-c4ae9c-62cbbb-2d2a1f-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: "#a64d21" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.