# #c01b34

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

## Values

- Hex: `#c01b34`
- RGB: rgb(192, 27, 52)
- HSL: hsl(351, 75%, 43%)
- OKLCH: oklch(0.521 0.195 20.9)
- Relative luminance: 0.1224
- Nearest named color: Active Volcano (#bb1133, Δ 1.468) — https://brandsweets.com/colors/active-volcano
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/c01b34

## Tints & shades

- Tints (toward white): #db1f3b, #e2324c, #e64c63, #e96377, #ed7e8e, #f094a2, #f4afb9, #f7c5cc, #fbe0e4, #fef6f7
- Shades (toward black): #ae192f, #9c162a, #8a1426, #781121, #6b0f1d, #590d18, #470a13, #36080f, #24050a, #120305

## Harmonies

- Complementary: #1bc0a7
- Analogous: #c01b86, #c0551b
- Triadic: #34c01b, #1b34c0
- Split-complementary: #1bc055, #1b86c0
- Tetradic: #86c01b, #1bc0a7, #551bc0

## Colors that go with #c01b34

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #c01b34 — 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), Chase (https://brandsweets.com/colors/brands/chase-com), Behance (https://brandsweets.com/colors/brands/behance-net), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [harmony, pool: split] — Steel Blue is a split-complement of #c01b34: 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 #c01b34 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 #c01b34 in 6 real palettes, including Maple and Ember, as the accent. Seen in: Maple (https://brandsweets.com/palettes/warm#maple), Ember (https://brandsweets.com/palettes/bold#ember), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Trailhead (https://brandsweets.com/palettes/warm#trailhead). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #c01b34, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #c01b34: 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). — https://brandsweets.com/colors/charcoal
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #c01b34 in 6 real palettes, including Olive Grove and Farmers Market, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #c01b34: 13 real palettes, including Nissan's brand system and AT&T's brand system, as the accent. Seen in: Nissan (https://brandsweets.com/colors/brands/nissanusa-com), AT&T (https://brandsweets.com/colors/brands/att-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Chase (https://brandsweets.com/colors/brands/chase-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 6.09:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ae192f (7.05:1)
- On black (#000000): 3.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e02944 (4.57:1); AA: background → #dedede (4.53:1); AAA: text → #eb7083 (7.18:1)

## Brands using this color

- **Nintendo** — accent #c10c32 (Δ 0.885) — https://brandsweets.com/colors/brands/nintendo-com
- **Nissan** — secondary #c3002f (Δ 1.309) — https://brandsweets.com/colors/brands/nissanusa-com
- **AT&T** — accent #c70032 (Δ 1.619) — https://brandsweets.com/colors/brands/att-com
- **Tommy Hilfiger** — secondary #b9252d (Δ 1.818) — https://brandsweets.com/colors/brands/tommy-com
- **MLB** — secondary #bf0d3e (Δ 1.879) — https://brandsweets.com/colors/brands/mlb-com

## Curated palettes containing it

- **Maple** (autumn, warm, vivid) — #c1272d, #e8730c, #f2b705, #fff8ee, #2a1a0a — The three colours a maple goes through in October, on a warm white — loud, seasonal, and readable because the type is near-black. — tool: https://brandsweets.com/palettes/new/c1272d-e8730c-f2b705-fff8ee-2a1a0a — collection: https://brandsweets.com/palettes/autumn

## 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/c01b34-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: "#c01b34" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.