# #684b77

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

## Values

- Hex: `#684b77`
- RGB: rgb(104, 75, 119)
- HSL: hsl(280, 23%, 38%)
- OKLCH: oklch(0.462 0.078 313.7)
- Relative luminance: 0.0931
- Nearest named color: Freshly Purpleized (#5c5083, Δ 2.814) — https://brandsweets.com/colors/freshly-purpleized
- Moods: cool, muted
- Page: https://brandsweets.com/colors/684b77

## Tints & shades

- Tints (toward white): #79568a, #89629d, #9775a9, #a688b4, #b49bc0, #c2adcc, #d0c0d8, #ded3e4, #ece6ef, #faf9fb
- Shades (toward black): #60456e, #553d61, #4d3758, #422f4b, #3a2942, #312338, #261b2c, #1e1623, #130e16, #0b080d

## Harmonies

- Complementary: #59774b
- Analogous: #524b77, #774b70
- Triadic: #77684b, #4b7768
- Split-complementary: #70774b, #4b7752
- Tetradic: #77524b, #59774b, #4b7077

## Colors that go with #684b77

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 text near-black for #684b77: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #684b77 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #684b77 in 4 real palettes, including Wells Fargo's brand system and Codecademy's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #684b77: 7 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #684b77 in 4 real palettes, including Console Light and Fintech Trust, as the accent. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/mediumseagreen
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Lufthansa's brand system and First Snow put Midnight Blue beside #684b77, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), First Snow (https://brandsweets.com/palettes/cool#first-snow), FIFA (https://brandsweets.com/colors/brands/fifa-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #684b77 in 7 real palettes, including Console Light and Stripe's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #684b77: 4 real palettes, including Darkroom and Oatmeal, as the supporting colour. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Graphite (https://brandsweets.com/palettes/technical#graphite), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 7.34:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.86:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8e68a1 (4.64:1); AA: background → #cccccc (4.57:1); AAA: text → #a88bb6 (7.03:1); AAA: background → #fafafa (7.03:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/684b77-b99fc1-b8cb62-2d1f2c-ebe9f1?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: "#684b77" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.