# #d0010b

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

## Values

- Hex: `#d0010b`
- RGB: rgb(208, 1, 11)
- HSL: hsl(357, 99%, 41%)
- OKLCH: oklch(0.539 0.22 28.3)
- Relative luminance: 0.1346
- Nearest named color: Blood Kiss (#c30b0a, Δ 2.625) — https://brandsweets.com/colors/blood-kiss
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/d0010b

## Tints & shades

- Tints (toward white): #ef010d, #fe0b18, #fe2a34, #fe4851, #fe676e, #fe8086, #ff9fa3, #ffbdc0, #ffd6d8, #fff5f5
- Shades (toward black): #bc010a, #ad0109, #980108, #840107, #750106, #600005, #4c0004, #380003, #290002, #140001

## Harmonies

- Complementary: #01d0c6
- Analogous: #d00173, #d05e01
- Triadic: #0bd001, #010bd0
- Split-complementary: #01d05e, #0173d0
- Tetradic: #73d001, #01d0c6, #5e01d0

## Colors that go with #d0010b

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 #d0010b: 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 #d0010b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), 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 #d0010b: 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 #d0010b 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 #d0010b in 6 real palettes, including Maple and McDonald's's brand system, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), 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 #d0010b, 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 #d0010b: 4 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 #d0010b in 4 real palettes, including Farmers Market and Olive Grove, as the supporting colour. Seen in: Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 5.69:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #b2010a (7.24:1)
- On black (#000000): 3.69:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ef010d (4.68:1); AA: background → #e6e6e6 (4.56:1); AAA: text → #fe626a (7.17:1)

## Brands using this color

- **Behance** — accent #d00d00 (Δ 0.68) — https://brandsweets.com/colors/brands/behance-net
- **Budweiser** — secondary #cc0414 (Δ 0.875) — https://brandsweets.com/colors/brands/budweiser-com
- **Ferrari** — primary #d40000 (Δ 0.888) — https://brandsweets.com/colors/brands/ferrari-com
- **Honda** — secondary #cc0000 (Δ 0.94) — https://brandsweets.com/colors/brands/honda-com
- **M&M's** — secondary #d70100 (Δ 1.497) — https://brandsweets.com/colors/brands/mms-com
- **Burberry** — secondary #d5151f (Δ 1.732) — https://brandsweets.com/colors/brands/burberry-com
- **3M** — secondary #c80000 (Δ 1.749) — https://brandsweets.com/colors/brands/3m-com
- **Huawei** — secondary #c7000b (Δ 1.909) — https://brandsweets.com/colors/brands/huawei-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/d0010b-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: "#d0010b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.