# #d31e17

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

## Values

- Hex: `#d31e17`
- RGB: rgb(211, 30, 23)
- HSL: hsl(2, 80%, 46%)
- OKLCH: oklch(0.555 0.213 28.9)
- Relative luminance: 0.1484
- Nearest named color: Angry Tomato (#d82029, Δ 1.645) — https://brandsweets.com/colors/angry-tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d31e17

## Tints & shades

- Tints (toward white): #e6251e, #e93b35, #ec5651, #ee6c68, #f1827e, #f39995, #f6afac, #f9cac8, #fbe0df, #fef6f6
- Shades (toward black): #c11b15, #ae1913, #971511, #85130f, #73100d, #600e0b, #4e0b09, #370806, #250504, #120302

## Harmonies

- Complementary: #17cdd3
- Analogous: #d3176f, #d37c17
- Triadic: #17d31e, #1e17d3
- Split-complementary: #17d37c, #176fd3
- Tetradic: #6fd317, #17cdd3, #7c17d3

## Colors that go with #d31e17

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 #d31e17: 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 #d31e17 — 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), Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/royalblue
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #d31e17 — 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), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), 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 #d31e17: 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 #d31e17 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 #d31e17 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 Doordash's brand system put Blue beside #d31e17, 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 #d31e17: 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

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

- On white (#ffffff): 5.29:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ae1913 (7.12:1)
- On black (#000000): 3.97:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e62019 (4.59:1); AA: background → #ededed (4.52:1); AAA: text → #ef706c (7.2:1)

## Brands using this color

- **Burberry** — secondary #d5151f (Δ 0.942) — https://brandsweets.com/colors/brands/burberry-com
- **State Farm** — primary #d62311 (Δ 0.949) — https://brandsweets.com/colors/brands/statefarm-com
- **Burger King** — primary #d62300 (Δ 1.306) — https://brandsweets.com/colors/brands/bk-com
- **MAC Cosmetics** — secondary #da1717 (Δ 1.356) — https://brandsweets.com/colors/brands/maccosmetics-com
- **M&M's** — secondary #d70100 (Δ 1.377) — https://brandsweets.com/colors/brands/mms-com
- **Ferrari** — primary #d40000 (Δ 1.428) — https://brandsweets.com/colors/brands/ferrari-com
- **Foot Locker** — secondary #d12e20 (Δ 1.439) — https://brandsweets.com/colors/brands/footlocker-com
- **Wells Fargo** — primary #d71e28 (Δ 1.46) — https://brandsweets.com/colors/brands/wellsfargo-com
- **Behance** — accent #d00d00 (Δ 1.47) — https://brandsweets.com/colors/brands/behance-net
- **GitHub** — danger #cf222e (Δ 1.812) — https://brandsweets.com/colors/brands/github
- **Pinterest** — secondary #dd0e0e (Δ 1.919) — https://brandsweets.com/colors/brands/pinterest-com
- **Coinbase** — danger #cf202f (Δ 1.968) — https://brandsweets.com/colors/brands/coinbase
- **McDonald's** — secondary #da291c (Δ 1.978) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Budweiser** — primary #dc041c (Δ 1.985) — 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/d31e17-c4a29c-62cb9c-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: "#d31e17" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.