# #d41639

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

## Values

- Hex: `#d41639`
- RGB: rgb(212, 22, 57)
- HSL: hsl(349, 81%, 46%)
- OKLCH: oklch(0.557 0.215 20.5)
- Relative luminance: 0.1487
- Nearest named color: crimson (#dc143c, Δ 1.637) — https://brandsweets.com/colors/crimson
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d41639

## Tints & shades

- Tints (toward white): #e71d42, #ea3455, #ed506c, #ef6780, #f17e93, #f495a6, #f6acba, #f9c8d1, #fcdfe4, #fef6f7
- Shades (toward black): #c21434, #af122f, #981029, #860e24, #730c1f, #610a1a, #4e0815, #37060f, #25040a, #120205

## Harmonies

- Complementary: #16d4b1
- Analogous: #d41698, #d45216
- Triadic: #39d416, #1639d4
- Split-complementary: #16d452, #1698d4
- Tetradic: #98d416, #16d4b1, #5216d4

## Colors that go with #d41639

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 #d41639: 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 #d41639 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Behance (https://brandsweets.com/colors/brands/behance-net). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #d41639: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Netflix (https://brandsweets.com/colors/brands/netflix), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/seagreen
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #d41639: 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), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Honda (https://brandsweets.com/colors/brands/honda-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #d41639 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), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #d41639 in 6 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] — 6 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #d41639, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #d41639: 4 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), MLB (https://brandsweets.com/colors/brands/mlb-com), NASA (https://brandsweets.com/colors/brands/nasa-gov). — https://brandsweets.com/colors/cobalt

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

- On white (#ffffff): 5.29:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af122f (7.12:1)
- On black (#000000): 3.97:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e7183e (4.6:1); AA: background → #ededed (4.51:1); AAA: text → #ef6b84 (7.11:1)

## Brands using this color

- **Five Guys** — secondary #d21033 (Δ 0.8) — https://brandsweets.com/colors/brands/fiveguys-com
- **Cartier** — accent #d50032 (Δ 0.947) — https://brandsweets.com/colors/brands/cartier-com
- **Tim Hortons** — secondary #d0142c (Δ 1.56) — https://brandsweets.com/colors/brands/timhortons-com
- **Red Bull** — secondary #db0a40 (Δ 1.642) — https://brandsweets.com/colors/brands/redbull-com
- **Coinbase** — danger #cf202f (Δ 1.659) — https://brandsweets.com/colors/brands/coinbase
- **Huawei** — primary #cf0a2c (Δ 1.756) — https://brandsweets.com/colors/brands/huawei-com
- **New Balance** — secondary #cf0a2c (Δ 1.756) — https://brandsweets.com/colors/brands/newbalance-com
- **Wendy's** — primary #dd1438 (Δ 1.819) — https://brandsweets.com/colors/brands/wendys-com
- **GitHub** — danger #cf222e (Δ 1.832) — https://brandsweets.com/colors/brands/github

## 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/d41639-c49c9f-62cb85-2d231f-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: "#d41639" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.