# #ac1540

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

## Values

- Hex: `#ac1540`
- RGB: rgb(172, 21, 64)
- HSL: hsl(343, 78%, 38%)
- OKLCH: oklch(0.482 0.181 13)
- Relative luminance: 0.0968
- Nearest named color: Bindi Red (#b0003c, Δ 1.16) — https://brandsweets.com/colors/bindi-red
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ac1540

## Tints & shades

- Tints (toward white): #c8194a, #e31c54, #e63769, #ea537d, #ed6e92, #f089a6, #f4a4bb, #f7bfcf, #fbdbe4, #fef6f8
- Shades (toward black): #9f143b, #8d1134, #7f102f, #6d0d29, #5f0c23, #520a1e, #400818, #320613, #20040c, #120207

## Harmonies

- Complementary: #15ac82
- Analogous: #ac158c, #ac3615
- Triadic: #40ac15, #1540ac
- Split-complementary: #15ac36, #158cac
- Tetradic: #8cac15, #15ac82, #3615ac

## Colors that go with #ac1540

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 #ac1540 — 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), State Farm (https://brandsweets.com/colors/brands/statefarm-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #ac1540 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 #ac1540 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 #ac1540: 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 #ac1540 in 9 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 #ac1540 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 #ac1540 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 #ac1540: 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): 7.15:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e31c54 (4.56:1); AA: background → #cfcfcf (4.59:1); AAA: text → #ed6e92 (7.25:1); AAA: background → #ffffff (7.15:1)

## 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/ac1540-c49ca3-62cb7b-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: "#ac1540" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.