# #3f284d

A color — cool, muted, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#3f284d`
- RGB: rgb(63, 40, 77)
- HSL: hsl(277, 32%, 23%)
- OKLCH: oklch(0.322 0.07 311.6)
- Relative luminance: 0.0311
- Nearest named color: Acai (#48295b, Δ 3.053) — https://brandsweets.com/colors/acai
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/3f284d

## Tints & shades

- Tints (toward white): #553668, #684280, #7e509b, #9061ae, #a37cbb, #b393c8, #c6aed5, #d7c6e2, #eae1ef, #faf8fc
- Shades (toward black): #3a2447, #342140, #2f1d39, #291a32, #26182f, #211528, #1b1122, #160e1b, #100a14, #0b070d

## Harmonies

- Complementary: #364d28
- Analogous: #2c284d, #4d2849
- Triadic: #4d3f28, #284d3f
- Split-complementary: #494d28, #284d2c
- Tetradic: #4d2c28, #364d28, #28494d

## Colors that go with #3f284d

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

- **Dark Olive Green** #556b2f [harmony, pool: complementary] — Dark Olive Green sits directly opposite #3f284d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Sienna** #a0522d [harmony, pool: triadic] — Sienna completes a triad with #3f284d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Harvest (https://brandsweets.com/palettes/warm#harvest), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/sienna
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #3f284d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Alpine (https://brandsweets.com/palettes/cool#alpine), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/teal
- **Amber** #ffbf00 [pool] — Amber is paired with #3f284d in 5 real palettes, including Beach Hut and McDonald's's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 11 real palettes, including Sketch's brand system and Minecraft's brand system put Blue beside #3f284d, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Blush and Garden Wedding put Blush Pink beside #3f284d, as the supporting colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #3f284d in 5 real palettes, including Coastal and Polaroid, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Polaroid (https://brandsweets.com/palettes/light#polaroid), Velvet (https://brandsweets.com/palettes/luxury#velvet), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #3f284d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 12.95:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.62:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9061ae (4.51:1); AA: background → #999999 (4.54:1); AAA: text → #ac89c2 (7.11:1); AAA: background → #bfbfbf (7.04:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- 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/3f284d-b99cc4-bdcb62-2d1f2c-eae9f1?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: "#3f284d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.