# #d91c38

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

## Values

- Hex: `#d91c38`
- RGB: rgb(217, 28, 56)
- HSL: hsl(351, 77%, 48%)
- OKLCH: oklch(0.568 0.216 21.7)
- Relative luminance: 0.1587
- Nearest named color: crimson (#dc143c, Δ 0.875) — https://brandsweets.com/colors/crimson
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d91c38

## Tints & shades

- Tints (toward white): #e32b47, #e6415a, #e9586e, #ec6f81, #ef8595, #f29ca9, #f5b2bc, #f8c9d0, #fbdfe4, #fef6f7
- Shades (toward black): #c71a34, #b0172e, #9e1529, #871223, #750f1f, #630d1a, #4d0a14, #3b080f, #240509, #120205

## Harmonies

- Complementary: #1cd9bc
- Analogous: #d91c97, #d95e1c
- Triadic: #38d91c, #1c38d9
- Split-complementary: #1cd95e, #1c97d9
- Tetradic: #97d91c, #1cd9bc, #5e1cd9

## Colors that go with #d91c38

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 #d91c38: 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 #d91c38 — 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), WWE (https://brandsweets.com/colors/brands/wwe-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #d91c38: 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 #d91c38: 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), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #d91c38 in 7 real palettes, including McDonald's's brand system and Wired's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Wired (https://brandsweets.com/colors/brands/wired-com), Maple (https://brandsweets.com/palettes/warm#maple), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #d91c38, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #d91c38: 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), 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 #d91c38 in 4 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), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 5.03:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ac162d (7.22:1)
- On black (#000000): 4.17:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e2223f (4.53:1); AA: background → #f5f5f5 (4.62:1); AAA: text → #ec6f81 (7.16:1)

## Brands using this color

- **Wendy's** — primary #dd1438 (Δ 0.801) — https://brandsweets.com/colors/brands/wendys-com
- **Target : Expect More. Pay Less.** — primary #dc142c (Δ 1.202) — https://brandsweets.com/colors/brands/target-com
- **Red Bull** — secondary #db0a40 (Δ 1.513) — https://brandsweets.com/colors/brands/redbull-com
- **Wells Fargo** — primary #d71e28 (Δ 1.645) — https://brandsweets.com/colors/brands/wellsfargo-com
- **Cartier** — accent #d50032 (Δ 1.762) — https://brandsweets.com/colors/brands/cartier-com
- **Five Guys** — secondary #d21033 (Δ 1.836) — https://brandsweets.com/colors/brands/fiveguys-com
- **Costco** — primary #e31837 (Δ 1.964) — https://brandsweets.com/colors/brands/costco-com
- **Walgreens** — primary #e31836 (Δ 1.971) — https://brandsweets.com/colors/brands/walgreens-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/d91c38-c49c9e-62cb89-2d231f-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: "#d91c38" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.