# #651b57

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

## Values

- Hex: `#651b57`
- RGB: rgb(101, 27, 87)
- HSL: hsl(311, 58%, 25%)
- OKLCH: oklch(0.366 0.128 336.4)
- Relative luminance: 0.0424
- Nearest named color: Cosmic Explorer (#551155, Δ 4.253) — https://brandsweets.com/colors/cosmic-explorer
- Moods: warm, dark, luxury, bold
- Page: https://brandsweets.com/colors/651b57

## Tints & shades

- Tints (toward white): #812270, #a12b8b, #bd32a4, #ce46b5, #d666c2, #de82cd, #e59ed8, #edbbe4, #f5dbf0, #fdf7fc
- Shades (toward black): #5d1950, #551649, #4d1442, #44123b, #3c1034, #300d2a, #280b23, #20091c, #180615, #10040e

## Harmonies

- Complementary: #1b6528
- Analogous: #4d1b65, #651b32
- Triadic: #57651b, #1b5765
- Split-complementary: #32651b, #1b654d
- Tetradic: #654d1b, #1b6528, #1b3265

## Colors that go with #651b57

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 #651b57 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
- **Cream** #fffdd0 [role, pool] — Cream is the surface #651b57 wants: a warm off-white that shares its undertone, so #651b57 reads softer on it than on pure white. Seen in: MetaMask (https://brandsweets.com/colors/brands/metamask-io). — https://brandsweets.com/colors/cream
- **Denim** #1560bd [pool] — Designers have shipped Denim with #651b57: 3 real palettes, including Hinge's brand system and Heinz's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Heinz (https://brandsweets.com/colors/brands/heinz-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Tomato** #ff6347 [pool] — 3 real palettes, including Golden Hour and Harley-Davidson's brand system put Tomato beside #651b57, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/tomato
- **Teal** #008080 [harmony: split] — Teal is a split-complement of #651b57: 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 #651b57: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #651b57: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: analogous] — Crimson is #651b57's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 11.37:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.85:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #c936ae (4.62:1); AA: background → #a3a3a3 (4.51:1); AAA: text → #da72c7 (7.21:1); AAA: background → #cccccc (7.08:1)

## 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/651b57-c19fb7-82cb62-2d1f25-efe9f1?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: "#651b57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.