# #ad101a

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

## Values

- Hex: `#ad101a`
- RGB: rgb(173, 16, 26)
- HSL: hsl(356, 83%, 37%)
- OKLCH: oklch(0.476 0.186 26.2)
- Relative luminance: 0.0933
- Nearest named color: Blood Rush (#aa2222, Δ 1.489) — https://brandsweets.com/colors/blood-rush
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ad101a

## Tints & shades

- Tints (toward white): #c9131f, #e51523, #eb2d3a, #ee4954, #f16a73, #f4868d, #f6a2a7, #f9bec2, #fcdadc, #fef6f6
- Shades (toward black): #9f0f18, #8c0d15, #7e0c13, #700a11, #62090f, #4f070c, #41060a, #330508, #210305, #130203

## Harmonies

- Complementary: #10ada2
- Analogous: #ad1069, #ad5410
- Triadic: #1aad10, #101aad
- Split-complementary: #10ad54, #1069ad
- Tetradic: #69ad10, #10ada2, #5410ad

## Colors that go with #ad101a

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 #ad101a — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/royalblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #ad101a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #ad101a 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ad101a: 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 #ad101a in 9 real palettes, including Wendy's's brand system and State Farm's brand system, as the lead colour. 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), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #ad101a in 4 real palettes, including Olive Grove and Cider, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Cider (https://brandsweets.com/palettes/warm#cider), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ad101a: 11 real palettes, including State Farm's brand system and Campbell's's brand system, as the accent. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #ad101a: 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): 7.33:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.87:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e91624 (4.6:1); AA: background → #cccccc (4.56:1); AAA: text → #f16a73 (7.05:1); AAA: background → #fafafa (7.02:1)

## Brands using this color

- **Wendy's** — secondary #b0161f (Δ 0.92) — https://brandsweets.com/colors/brands/wendys-com
- **Trader Joe's** — accent #af0006 (Δ 1.134) — https://brandsweets.com/colors/brands/traderjoes-com
- **Twilio** — accent #b10f23 (Δ 1.166) — https://brandsweets.com/colors/brands/twilio-com
- **Bose** — accent #ad0000 (Δ 1.388) — https://brandsweets.com/colors/brands/bose-com
- **Chipotle** — primary #ac241c (Δ 1.812) — https://brandsweets.com/colors/brands/chipotle-com

## 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/ad101a-c49e9c-62cb91-2d241f-f1e9ee?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: "#ad101a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.