# #ac1643

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

## Values

- Hex: `#ac1643`
- RGB: rgb(172, 22, 67)
- HSL: hsl(342, 77%, 38%)
- OKLCH: oklch(0.484 0.181 11.8)
- Relative luminance: 0.0975
- Nearest named color: Bindi Red (#b0003c, Δ 1.346) — https://brandsweets.com/colors/bindi-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ac1643

## Tints & shades

- Tints (toward white): #c71a4e, #e21d58, #e5386c, #e95380, #ec6f94, #f08aa8, #f3a5bc, #f7c0d0, #fadbe4, #fef6f8
- Shades (toward black): #9e153e, #8c1237, #7e1031, #6c0e2a, #5f0c25, #510b20, #3f0819, #320613, #20040c, #120207

## Harmonies

- Complementary: #16ac7f
- Analogous: #ac168e, #ac3416
- Triadic: #43ac16, #1643ac
- Split-complementary: #16ac34, #168eac
- Tetradic: #8eac16, #16ac7f, #3416ac

## Colors that go with #ac1643

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

- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #ac1643 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #ac1643 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), 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 #ac1643 in 4 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), Trailhead (https://brandsweets.com/palettes/warm#trailhead), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ac1643: 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
- **Crimson** #dc143c [pool] — Crimson is paired with #ac1643 in 8 real palettes, including Wendy's's brand system and Nintendo's brand system, as the lead colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/crimson
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #ac1643 in 4 real palettes, including Fireside and Noir Beauty, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Harvest (https://brandsweets.com/palettes/warm#harvest), Candlelight (https://brandsweets.com/palettes/warm#candlelight). — https://brandsweets.com/colors/goldenrod
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #ac1643 in 6 real palettes, including Chase's brand system and Bose's brand system, as the supporting colour. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Bose (https://brandsweets.com/colors/brands/bose-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ac1643: 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): 7.12:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.95:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e21d58 (4.55:1); AA: background → #cfcfcf (4.57:1); AAA: text → #ec6a91 (7.04:1); AAA: background → #ffffff (7.12:1)

## 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/ac1643-c49ca3-62cb79-2d211f-f1e9ef?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: "#ac1643" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.