# #ac3a2f

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

## Values

- Hex: `#ac3a2f`
- RGB: rgb(172, 58, 47)
- HSL: hsl(5, 57%, 43%)
- OKLCH: oklch(0.511 0.151 28.9)
- Relative luminance: 0.12
- Nearest named color: Barbarossa (#a84734, Δ 2.412) — https://brandsweets.com/colors/barbarossa
- Moods: warm
- Page: https://brandsweets.com/colors/ac3a2f

## Tints & shades

- Tints (toward white): #c44236, #cd5247, #d3695f, #d97b73, #df928b, #e5a59f, #ebbbb7, #f1cecb, #f7e5e3, #fdf7f7
- Shades (toward black): #9c342b, #8c2f26, #7c2a22, #6c241e, #60201a, #501b16, #401512, #30100d, #200b09, #100504

## Harmonies

- Complementary: #2fa2ac
- Analogous: #ac2f63, #ac782f
- Triadic: #2fac3a, #3a2fac
- Split-complementary: #2fac78, #2f63ac
- Tetradic: #63ac2f, #2fa2ac, #782fac

## Colors that go with #ac3a2f

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

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #ac3a2f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Bose (https://brandsweets.com/colors/brands/bose-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #ac3a2f — 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), Wellness (https://brandsweets.com/palettes/warm#wellness), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #ac3a2f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Honda (https://brandsweets.com/colors/brands/honda-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #ac3a2f 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Saffron (https://brandsweets.com/palettes/warm#saffron). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #ac3a2f in 4 real palettes, including Ember and Maple, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Maple (https://brandsweets.com/palettes/warm#maple), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Woodsmoke and BrandSweets's brand system put Champagne beside #ac3a2f, as the text colour against it. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ac3a2f: 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). — https://brandsweets.com/colors/charcoal
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ac3a2f: 4 real palettes, including MLB's brand system and Behance's brand system, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Behance (https://brandsweets.com/colors/brands/behance-net), Reebok (https://brandsweets.com/colors/brands/reebok-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 6.18:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9c342b (7.14:1)
- On black (#000000): 3.4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ca4a3f (4.56:1); AA: background → #dedede (4.59:1); AAA: text → #d97b73 (7.03:1)

## Brands using this color

- **BrandSweets** — danger #b23a2b (Δ 1.263) — https://brandsweets.com/colors/brands/brandsweets

## Curated palettes containing it

- **Ember** (bold, dark, warm) — #f25f29, #b03a2e, #f2c14e, #14100e, #f8ede3 — Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights. — tool: https://brandsweets.com/palettes/new/f25f29-b03a2e-f2c14e-14100e-f8ede3 — collection: https://brandsweets.com/palettes/bold
- **Woodsmoke** (autumn, dark, warm, muted) — #d68a3c, #8c6d4f, #a63d2a, #241b16, #f1e6d6 — Amber and oxblood on smoky brown — a fireside dark mode that photographs whisky, leather and wool. — tool: https://brandsweets.com/palettes/new/d68a3c-8c6d4f-a63d2a-241b16-f1e6d6 — collection: https://brandsweets.com/palettes/autumn
- **Typewriter** (vintage, monochrome, editorial, minimal) — #2b2b2b, #8a8480, #a33a2f, #f4efe6 — Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour. — tool: https://brandsweets.com/palettes/new/2b2b2b-8a8480-a33a2f-f4efe6 — collection: https://brandsweets.com/palettes/vintage
- **Fireside** (winter, dark, warm, luxury) — #b23a3a, #2f5d50, #d4a857, #171a1f, #f2ede4 — Cranberry, pine and brass on a charcoal night — the holiday palette without the clichés, because the surface is cold. — tool: https://brandsweets.com/palettes/new/b23a3a-2f5d50-d4a857-171a1f-f2ede4 — collection: https://brandsweets.com/palettes/winter

## 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/ac3a2f-c4a49c-62cba1-2d261f-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: "#ac3a2f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.