# #d42421

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

## Values

- Hex: `#d42421`
- RGB: rgb(212, 36, 33)
- HSL: hsl(1, 73%, 48%)
- OKLCH: oklch(0.561 0.21 28)
- Relative luminance: 0.1537
- Nearest named color: Angry Tomato (#d82029, Δ 1.084) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d42421

## Tints & shades

- Tints (toward white): #df3330, #e24846, #e65e5c, #e97472, #ec8a88, #f09f9e, #f3b5b4, #f7cbca, #fae1e0, #fef6f6
- Shades (toward black): #c2211e, #ac1d1b, #9a1a18, #841715, #731412, #61110f, #4b0d0c, #390a09, #230606, #120303

## Harmonies

- Complementary: #21d1d4
- Analogous: #d42177, #d47d21
- Triadic: #21d424, #2421d4
- Split-complementary: #21d47d, #2177d4
- Tetradic: #77d421, #21d1d4, #7d21d4

## Colors that go with #d42421

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 #d42421: 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), IHG (https://brandsweets.com/colors/brands/ihg-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), 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 #d42421 — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #d42421: 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), Honda (https://brandsweets.com/colors/brands/honda-com), 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 #d42421 in 7 real palettes, including McDonald's's brand system and Maple, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Maple (https://brandsweets.com/palettes/warm#maple), Wired (https://brandsweets.com/colors/brands/wired-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — 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 #d42421, 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 #d42421: 5 real palettes, including Behance's brand system and Walgreens's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), MLB (https://brandsweets.com/colors/brands/mlb-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #d42421 in 5 real palettes, including Farmers Market and Magazine Ochre, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #d42421: 18 real palettes, including State Farm's brand system and McDonald's's brand system, as the accent. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 5.15:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ac1d1b (7.13:1)
- On black (#000000): 4.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #de2e2b (4.53:1); AA: background → #f0f0f0 (4.52:1); AAA: text → #e97472 (7.21:1)

## Brands using this color

- **State Farm** — primary #d62311 (Δ 0.962) — https://brandsweets.com/colors/brands/statefarm-com
- **Wells Fargo** — primary #d71e28 (Δ 0.978) — https://brandsweets.com/colors/brands/wellsfargo-com
- **Burberry** — secondary #d5151f (Δ 1.074) — https://brandsweets.com/colors/brands/burberry-com
- **Foot Locker** — secondary #d12e20 (Δ 1.098) — https://brandsweets.com/colors/brands/footlocker-com
- **MAC Cosmetics** — secondary #da1717 (Δ 1.284) — https://brandsweets.com/colors/brands/maccosmetics-com
- **Burger King** — primary #d62300 (Δ 1.5) — https://brandsweets.com/colors/brands/bk-com
- **McDonald's** — secondary #da291c (Δ 1.524) — https://brandsweets.com/colors/brands/mcdonalds-com
- **GitHub** — danger #cf222e (Δ 1.606) — https://brandsweets.com/colors/brands/github
- **Codecademy** — accent #dc2626 (Δ 1.729) — https://brandsweets.com/colors/brands/codecademy-com
- **Coinbase** — danger #cf202f (Δ 1.791) — https://brandsweets.com/colors/brands/coinbase
- **Pinterest** — secondary #dd0e0e (Δ 1.929) — https://brandsweets.com/colors/brands/pinterest-com
- **M&M's** — secondary #d70100 (Δ 1.937) — https://brandsweets.com/colors/brands/mms-com
- **Budweiser** — primary #dc041c (Δ 1.942) — https://brandsweets.com/colors/brands/budweiser-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/d42421-c4a19c-62cb9a-2d261f-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: "#d42421" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.