# #d5151f

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

## Values

- Hex: `#d5151f`
- RGB: rgb(213, 21, 31)
- HSL: hsl(357, 82%, 46%)
- OKLCH: oklch(0.555 0.218 26.8)
- Relative luminance: 0.1478
- Nearest named color: Angry Tomato (#d82029, Δ 1.235) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d5151f

## Tints & shades

- Tints (toward white): #e91c26, #eb333c, #ee4f57, #f0666d, #f27d83, #f49499, #f7abaf, #f9c7ca, #fcdfe0, #fef6f6
- Shades (toward black): #c3131c, #b01119, #990f16, #870d13, #740b11, #610a0e, #4f080b, #380608, #250405, #130203

## Harmonies

- Complementary: #15d5cc
- Analogous: #d5157f, #d56c15
- Triadic: #1fd515, #151fd5
- Split-complementary: #15d56c, #157fd5
- Tetradic: #7fd515, #15d5cc, #6c15d5

## Colors that go with #d5151f

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 #d5151f: 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 #d5151f — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), 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 #d5151f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Honda (https://brandsweets.com/colors/brands/honda-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wired (https://brandsweets.com/colors/brands/wired-com). — https://brandsweets.com/colors/steelblue
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #d5151f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Redfin (https://brandsweets.com/colors/brands/redfin-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #d5151f 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] — 7 real palettes, including Tim Hortons's brand system and native Cybersecurity's brand system put Blue beside #d5151f, 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 #d5151f: 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 #d5151f 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

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

- On white (#ffffff): 5.31:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b01119 (7.14:1)
- On black (#000000): 3.96:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e81721 (4.58:1); AA: background → #ededed (4.53:1); AAA: text → #f06a71 (7.01:1)

## Brands using this color

- **Burberry** — secondary #d5151f — https://brandsweets.com/colors/brands/burberry-com
- **Wells Fargo** — primary #d71e28 (Δ 0.963) — https://brandsweets.com/colors/brands/wellsfargo-com
- **MAC Cosmetics** — secondary #da1717 (Δ 1.198) — https://brandsweets.com/colors/brands/maccosmetics-com
- **M&M's** — secondary #d70100 (Δ 1.328) — https://brandsweets.com/colors/brands/mms-com
- **Budweiser** — primary #dc041c (Δ 1.349) — https://brandsweets.com/colors/brands/budweiser-com
- **Ferrari** — primary #d40000 (Δ 1.453) — https://brandsweets.com/colors/brands/ferrari-com
- **Tim Hortons** — secondary #d0142c (Δ 1.534) — https://brandsweets.com/colors/brands/timhortons-com
- **GitHub** — danger #cf222e (Δ 1.551) — https://brandsweets.com/colors/brands/github
- **State Farm** — primary #d62311 (Δ 1.589) — https://brandsweets.com/colors/brands/statefarm-com
- **Coinbase** — danger #cf202f (Δ 1.612) — https://brandsweets.com/colors/brands/coinbase
- **Pinterest** — secondary #dd0e0e (Δ 1.732) — https://brandsweets.com/colors/brands/pinterest-com
- **Target : Expect More. Pay Less.** — primary #dc142c (Δ 1.775) — https://brandsweets.com/colors/brands/target-com
- **Behance** — accent #d00d00 (Δ 1.798) — https://brandsweets.com/colors/brands/behance-net
- **Huawei** — primary #cf0a2c (Δ 1.99) — https://brandsweets.com/colors/brands/huawei-com
- **New Balance** — secondary #cf0a2c (Δ 1.99) — https://brandsweets.com/colors/brands/newbalance-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/d5151f-c49f9c-62cb93-2d251f-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: "#d5151f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.