# #ac370c

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

## Values

- Hex: `#ac370c`
- RGB: rgb(172, 55, 12)
- HSL: hsl(16, 87%, 36%)
- OKLCH: oklch(0.504 0.16 37.4)
- Relative luminance: 0.1153
- Nearest named color: Brick (#a03623, Δ 2.884) — https://brandsweets.com/colors/brick
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ac370c

## Tints & shades

- Tints (toward white): #c8400e, #e54910, #f05e28, #f27345, #f48962, #f69e7e, #f8b49b, #facdbc, #fce2d9, #fef8f5
- Shades (toward black): #9d320b, #8f2d0a, #7c2709, #6e2308, #5f1e07, #511a06, #431505, #300f03, #210b02, #130601

## Harmonies

- Complementary: #0c81ac
- Analogous: #ac0c31, #ac860c
- Triadic: #0cac37, #370cac
- Split-complementary: #0cac86, #0c31ac
- Tetradic: #31ac0c, #0c81ac, #860cac

## Colors that go with #ac370c

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 #ac370c'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: triadic] — Royal Blue completes a triad with #ac370c — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #ac370c — 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
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #ac370c 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), Saffron (https://brandsweets.com/palettes/warm#saffron), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #ac370c 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ac370c: 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), Reebok (https://brandsweets.com/colors/brands/reebok-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #ac370c in 6 real palettes, including Olive Grove and BrandSweets's brand system, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Cider (https://brandsweets.com/palettes/warm#cider). — https://brandsweets.com/colors/darkolivegreen
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ac370c: 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): 6.35:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #9d320b (7.25:1)
- On black (#000000): 3.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d2430f (4.55:1); AA: background → #d9d9d9 (4.5:1); AAA: text → #f27040 (7.17:1)

## 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/ac370c-c4ab9c-62cbb4-2d291f-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: "#ac370c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.