# #4c1901

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

## Values

- Hex: `#4c1901`
- RGB: rgb(76, 25, 1)
- HSL: hsl(19, 97%, 15%)
- OKLCH: oklch(0.29 0.084 43)
- Relative luminance: 0.0223
- Nearest named color: Chocolate Rush (#4e1b0b, Δ 1.164) — https://brandsweets.com/colors/chocolate-rush
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/4c1901

## Tints & shades

- Tints (toward white): #742602, #a13502, #c94203, #f14f04, #fc6a27, #fc864f, #fda277, #febda0, #fedccd, #fff8f5
- Shades (toward black): #461701, #411501, #3c1401, #371201, #321001, #280d01, #230c01, #1e0a00, #190800, #140700

## Harmonies

- Complementary: #01344b
- Analogous: #4b010f, #4b3e01
- Triadic: #014b19, #19014b
- Split-complementary: #014b3e, #010f4b
- Tetradic: #0f4b01, #01344b, #3e014b

## Colors that go with #4c1901

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 #4c1901: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #4c1901's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Burger King (https://brandsweets.com/colors/brands/bk-com), M&M's (https://brandsweets.com/colors/brands/mms-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [harmony, pool: split] — Denim is a split-complement of #4c1901: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Box (https://brandsweets.com/colors/brands/box-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com). — https://brandsweets.com/colors/denim
- **Sea Green** #2e8b57 [harmony, pool: triadic] — Sea Green completes a triad with #4c1901 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Mushroom (https://brandsweets.com/palettes/neutral#mushroom), Wellness (https://brandsweets.com/palettes/warm#wellness), Subaru (https://brandsweets.com/colors/brands/subaru-com), Asana (https://brandsweets.com/colors/brands/asana-com). — https://brandsweets.com/colors/seagreen
- **Sienna** #a0522d [harmony, pool: analogous] — Sienna is #4c1901's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Harvest (https://brandsweets.com/palettes/warm#harvest), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #4c1901 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Saffron (https://brandsweets.com/palettes/warm#saffron), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #4c1901 in 8 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), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Google (https://brandsweets.com/colors/brands/google-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 10 real palettes, including Tim Hortons's brand system and Headspace's brand system put Blue beside #4c1901, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 14.51:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d34503 (4.62:1); AA: background → #919191 (4.61:1); AAA: text → #fc6722 (7.1:1); AAA: background → #b5b5b5 (7.08:1)

## 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
- luxury: https://brandsweets.com/fonts/mood/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4c1901-c4ad9c-62cbb9-2d2a1f-f1e9eb?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: "#4c1901" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.