# #6c578e

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

## Values

- Hex: `#6c578e`
- RGB: rgb(108, 87, 142)
- HSL: hsl(263, 24%, 45%)
- OKLCH: oklch(0.501 0.088 300.8)
- Relative luminance: 0.1196
- Nearest named color: Passion Flower (#6f5698, Δ 1.775) — https://brandsweets.com/colors/passion-flower
- Moods: cool, muted
- Page: https://brandsweets.com/colors/6c578e

## Tints & shades

- Tints (toward white): #78619e, #8974aa, #9684b3, #a393bd, #b4a6c9, #c1b6d2, #cfc6dc, #dcd6e6, #ece9f1, #faf9fb
- Shades (toward black): #634f82, #594875, #4f4068, #46385c, #3c304f, #30273f, #271f33, #1d1726, #131019, #0a080d

## Harmonies

- Complementary: #798e57
- Analogous: #575e8e, #88578e
- Triadic: #8e6c57, #578e6c
- Split-complementary: #8e8857, #5e8e57
- Tetradic: #8e575e, #798e57, #578e88

## Colors that go with #6c578e

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 #6c578e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Campus (https://brandsweets.com/palettes/friendly#campus), Amazon (https://brandsweets.com/colors/brands/amazon-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: split] — Sea Green is a split-complement of #6c578e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/seagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #6c578e in 4 real palettes, including Warner Bros.'s brand system and McDonald's's brand system, as the accent. Seen in: Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Crimson** #dc143c [pool] — Crimson is paired with #6c578e in 11 real palettes, including Wells Fargo's brand system and Marvel's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6c578e: 11 real palettes, including HP's brand system and The New York Times's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), The New York Times (https://brandsweets.com/colors/brands/nytimes-com), Campus (https://brandsweets.com/palettes/friendly#campus), Dutch Bros (https://brandsweets.com/colors/brands/dutchbros-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #6c578e: 6 real palettes, including Campbell's's brand system and Newsprint, as the supporting colour. Seen in: Campbell's (https://brandsweets.com/colors/brands/campbells-com), Newsprint (https://brandsweets.com/palettes/editorial#newsprint), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Honda (https://brandsweets.com/colors/brands/honda-com). — https://brandsweets.com/colors/firebrick
- **Midnight Blue** #191970 [pool] — 12 real palettes, including Lufthansa's brand system and Fintech Trust put Midnight Blue beside #6c578e, as the lead colour. Seen in: Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Marvel (https://brandsweets.com/colors/brands/marvel-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #6c578e in 9 real palettes, including Stripe's brand system and GitHub's brand system, as the accent. Seen in: Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 6.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #634f82 (7.07:1)
- On black (#000000): 3.39:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #806aa4 (4.52:1); AA: background → #dedede (4.6:1); AAA: text → #a190bb (7.22:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6c578e-b09cc4-dfd04e-2b1f2d-e9eaf1?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: "#6c578e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.