# #cb151e

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

## Values

- Hex: `#cb151e`
- RGB: rgb(203, 21, 30)
- HSL: hsl(357, 81%, 44%)
- OKLCH: oklch(0.536 0.209 26.7)
- Relative luminance: 0.1333
- Nearest named color: Blood Kiss (#c30b0a, Δ 2.143) — https://brandsweets.com/colors/blood-kiss
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/cb151e

## Tints & shades

- Tints (toward white): #e21822, #e92f39, #ec464f, #ef6269, #f1797f, #f39095, #f6acb0, #f9c3c6, #fcdfe0, #fef6f6
- Shades (toward black): #b9131c, #a61119, #941016, #810e13, #6f0c11, #5c0a0e, #4a080b, #370608, #250406, #120203

## Harmonies

- Complementary: #15cbc2
- Analogous: #cb1579, #cb6715
- Triadic: #1ecb15, #151ecb
- Split-complementary: #15cb67, #1579cb
- Tetradic: #79cb15, #15cbc2, #6715cb

## Colors that go with #cb151e

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 #cb151e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: IHG (https://brandsweets.com/colors/brands/ihg-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-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 #cb151e — 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 #cb151e: 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 #cb151e 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 #cb151e 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), Trailhead (https://brandsweets.com/palettes/warm#trailhead), Ember (https://brandsweets.com/palettes/bold#ember). — 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 #cb151e, 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 #cb151e: 4 real palettes, including Behance's brand system and MLB's brand system, as the supporting colour. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), MLB (https://brandsweets.com/colors/brands/mlb-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-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 #cb151e in 5 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): 5.73:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #af121a (7.18:1)
- On black (#000000): 3.67:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e71823 (4.55:1); AA: background → #e6e6e6 (4.59:1); AAA: text → #ef6b72 (7.02:1)

## Brands using this color

- **Budweiser** — secondary #cc0414 (Δ 0.782) — https://brandsweets.com/colors/brands/budweiser-com
- **Honda** — secondary #cc0000 (Δ 1.376) — https://brandsweets.com/colors/brands/honda-com
- **Behance** — accent #d00d00 (Δ 1.559) — https://brandsweets.com/colors/brands/behance-net
- **Tim Hortons** — secondary #d0142c (Δ 1.575) — https://brandsweets.com/colors/brands/timhortons-com
- **Huawei** — primary #cf0a2c (Δ 1.6) — https://brandsweets.com/colors/brands/huawei-com
- **New Balance** — secondary #cf0a2c (Δ 1.6) — https://brandsweets.com/colors/brands/newbalance-com
- **Huawei** — secondary #c7000b (Δ 1.627) — https://brandsweets.com/colors/brands/huawei-com
- **3M** — secondary #c80000 (Δ 1.706) — https://brandsweets.com/colors/brands/3m-com
- **Wise** — accent #cb272f (Δ 1.736) — https://brandsweets.com/colors/brands/wise-com
- **Coinbase** — danger #cf202f (Δ 1.779) — https://brandsweets.com/colors/brands/coinbase
- **GitHub** — danger #cf222e (Δ 1.791) — 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/cb151e-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: "#cb151e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.