# #d43a40

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

## Values

- Hex: `#d43a40`
- RGB: rgb(212, 58, 64)
- HSL: hsl(358, 64%, 53%)
- OKLCH: oklch(0.581 0.19 23.5)
- Relative luminance: 0.1739
- Nearest named color: Bento Box (#cc363c, Δ 1.85) — https://brandsweets.com/colors/bento-box
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d43a40

## Tints & shades

- Tints (toward white): #d84f54, #dc6064, #e17579, #e48689, #e99b9d, #edabae, #f1c0c2, #f5d1d2, #f9e6e7, #fdf7f7
- Shades (toward black): #c92c31, #b4272c, #9f2327, #8a1e22, #791b1e, #641619, #4f1114, #3b0d0e, #260809, #110404

## Harmonies

- Complementary: #3ad4cf
- Analogous: #d43a8c, #d4823a
- Triadic: #40d43a, #3a40d4
- Split-complementary: #3ad482, #3a8cd4
- Tetradic: #8cd43a, #3ad4cf, #823ad4

## Colors that go with #d43a40

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

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #d43a40: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), IHG (https://brandsweets.com/colors/brands/ihg-com), Logitech (https://brandsweets.com/colors/brands/logitech-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #d43a40 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #d43a40: 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), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #d43a40 in 7 real palettes, including McDonald's's brand system and Google's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and Doordash's brand system put Blue beside #d43a40, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #d43a40: 5 real palettes, including Walgreens's brand system and Behance's brand system, as the accent. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Behance (https://brandsweets.com/colors/brands/behance-net), NASA (https://brandsweets.com/colors/brands/nasa-gov), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #d43a40 in 5 real palettes, including Farmers Market and Clay & Linen, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #d43a40: 19 real palettes, including McDonald's's brand system and Target : Expect More. Pay Less.'s brand system, as the accent. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Costco (https://brandsweets.com/colors/brands/costco-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 4.69:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #a72529 (7.14:1)
- On black (#000000): 4.48:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d53f44 (4.62:1); AA: background → #fcfcfc (4.57:1); AAA: text → #e17579 (7.02:1)

## Brands using this color

- **Riot Games** — secondary #d1363a (Δ 1.029) — https://brandsweets.com/colors/brands/riotgames-com
- **DuckDuckGo** — secondary #d83544 (Δ 1.115) — https://brandsweets.com/colors/brands/duckduckgo-com
- **Redfin** — primary #dc3443 (Δ 1.655) — https://brandsweets.com/colors/brands/redfin-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/d43a40-c49f9c-62cb95-2d251f-f1e9ed?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: "#d43a40" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.