# #554181

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

## Values

- Hex: `#554181`
- RGB: rgb(85, 65, 129)
- HSL: hsl(259, 33%, 38%)
- OKLCH: oklch(0.428 0.104 296.1)
- Relative luminance: 0.073
- Nearest named color: Drifting Violet (#5b4276, Δ 2.217) — https://brandsweets.com/colors/drifting-violet
- Moods: cool, muted
- Page: https://brandsweets.com/colors/554181

## Tints & shades

- Tints (toward white): #634b95, #7055aa, #816ab4, #927ebe, #a492c8, #b5a7d3, #c6bbdd, #d7d0e7, #e8e4f1, #f9f8fc
- Shades (toward black): #4e3c77, #453569, #3f305f, #362951, #2f2447, #281f3d, #1f182f, #191325, #100c18, #09070e

## Harmonies

- Complementary: #6d8141
- Analogous: #414d81, #754181
- Triadic: #815541, #418155
- Split-complementary: #817541, #4d8141
- Tetradic: #81414d, #6d8141, #418175

## Colors that go with #554181

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 #554181: 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
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #554181's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #554181, as the supporting colour. Seen in: CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #554181 in 7 real palettes, including Wells Fargo's brand system and Walgreens's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #554181: 14 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), Unilever (https://brandsweets.com/colors/brands/unilever-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 13 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #554181, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), 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 #554181 in 11 real palettes, including Nokia's brand system and Console Light, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Stripe (https://brandsweets.com/colors/brands/stripe). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #554181 in 7 real palettes, including Dusk and Datadog's brand system, as that palette's text colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 8.54:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #816ab4 (4.65:1); AA: background → #bdbdbd (4.54:1); AAA: text → #9e8cc5 (7.01:1); AAA: background → #ebebeb (7.16:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/554181-ad9cc4-dfc74e-2a1f2d-e9ebf1?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: "#554181" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.