# #4c101a

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

## Values

- Hex: `#4c101a`
- RGB: rgb(76, 16, 26)
- HSL: hsl(350, 65%, 18%)
- OKLCH: oklch(0.282 0.089 15.7)
- Relative luminance: 0.0198
- Nearest named color: Minotaur Hide (#4a120d, Δ 2.081) — https://brandsweets.com/colors/minotaur-hide
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/4c101a

## Tints & shades

- Tints (toward white): #6d1726, #8f1e31, #b1253d, #d22d48, #da4e65, #e17083, #e892a0, #efb3bd, #f6d5da, #fdf7f8
- Shades (toward black): #480f19, #3f0d16, #3b0c14, #320b11, #2e0a10, #2a090e, #22070c, #1d060a, #150407, #110406

## Harmonies

- Complementary: #104c42
- Analogous: #4c1038, #4c2410
- Triadic: #1a4c10, #101a4c
- Split-complementary: #104c24, #10384c
- Tetradic: #384c10, #104c42, #24104c

## Colors that go with #4c101a

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 #4c101a: 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
- **Denim** #1560bd [harmony, pool: triadic] — Denim completes a triad with #4c101a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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: split] — Sea Green is a split-complement of #4c101a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Mushroom (https://brandsweets.com/palettes/neutral#mushroom), 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 #4c101a'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), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: complementary] — Teal sits directly opposite #4c101a on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Saffron (https://brandsweets.com/palettes/warm#saffron), 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 #4c101a 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] — 11 real palettes, including Tim Hortons's brand system and Headspace's brand system put Blue beside #4c101a, as the accent. Seen in: Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), Sketch (https://brandsweets.com/colors/brands/sketch-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Blush and Graphite Mono put Blush Pink beside #4c101a, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink

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

- On white (#ffffff): 15.04:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.4:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #d53953 (4.54:1); AA: background → #8f8f8f (4.65:1); AAA: text → #e27486 (7.08:1); AAA: background → #b3b3b3 (7.17:1)

## 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/4c101a-c49c9e-62cb87-2d231f-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: "#4c101a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.