# #641b64

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

## Values

- Hex: `#641b64`
- RGB: rgb(100, 27, 100)
- HSL: hsl(300, 57%, 25%)
- OKLCH: oklch(0.371 0.138 327.9)
- Relative luminance: 0.0441
- Nearest named color: Elegant Purple Gown (#552367, Δ 3.346) — https://brandsweets.com/colors/elegant-purple-gown
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/641b64

## Tints & shades

- Tints (toward white): #802380, #a02ca0, #bc34bc, #cd47cd, #d567d5, #dd83dd, #e59fe5, #ecbbec, #f5dbf5, #fdf7fd
- Shades (toward black): #5c195c, #541754, #4c154c, #441344, #3c103c, #300d30, #280b28, #200920, #180718, #100410

## Harmonies

- Complementary: #1b641b
- Analogous: #401b64, #641b40
- Triadic: #64641b, #1b6464
- Split-complementary: #40641b, #1b6440
- Tetradic: #64401b, #1b641b, #1b4064

## Colors that go with #641b64

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

- **Sea Green** #2e8b57 [harmony: complementary] — Sea Green sits directly opposite #641b64 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/seagreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #641b64: 3 real palettes, including Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com), Heinz (https://brandsweets.com/colors/brands/heinz-com). — https://brandsweets.com/colors/denim
- **Tomato** #ff6347 [pool] — 3 real palettes, including Golden Hour and FedEx's brand system put Tomato beside #641b64, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), FedEx (https://brandsweets.com/colors/brands/fedex-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com). — https://brandsweets.com/colors/tomato
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #641b64: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #641b64: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [harmony, pool: analogous] — Blue Violet is #641b64's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #641b64: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sandy Brown** #f4a460 [pool] — Sandy Brown is paired with #641b64 in two real palettes: Golden Hour and Dusk Gradient, as the lead colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Dusk Gradient (https://brandsweets.com/palettes/dark#dusk-gradient). — https://brandsweets.com/colors/sandybrown

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

- On white (#ffffff): 11.15:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.88:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c035c0 (4.51:1); AA: background → #a6a6a6 (4.58:1); AAA: text → #d86fd8 (7.19:1); AAA: background → #cfcfcf (7.16:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- 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/641b64-c19fbd-95cb62-2d1f27-ede9f1?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: "#641b64" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.