# #424181

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

## Values

- Hex: `#424181`
- RGB: rgb(66, 65, 129)
- HSL: hsl(241, 33%, 38%)
- OKLCH: oklch(0.41 0.105 281.4)
- Relative luminance: 0.0652
- Nearest named color: Evening Magic (#363e7d, Δ 2.205) — https://brandsweets.com/colors/evening-magic
- Moods: cool, muted
- Page: https://brandsweets.com/colors/424181

## Tints & shades

- Tints (toward white): #4c4b95, #5755aa, #6b6ab4, #7f7ebe, #9392c8, #a8a7d3, #bcbbdd, #d0d0e7, #e4e4f1, #f8f8fc
- Shades (toward black): #3d3c77, #363569, #31305f, #2a2951, #242447, #1f1f3d, #18182f, #131325, #0c0c18, #07070e

## Harmonies

- Complementary: #808141
- Analogous: #416081, #624181
- Triadic: #814241, #418142
- Split-complementary: #816241, #608141
- Tetradic: #814160, #808141, #418162

## Colors that go with #424181

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

- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #424181's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #424181, 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #424181: 4 real palettes, including Blue Mono and Blizzard's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #424181 in 12 real palettes, including Walgreens's brand system and Wells Fargo's brand system, as the lead colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #424181: 13 real palettes, including Unilever's brand system and HP's brand system, as the accent. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), HP (https://brandsweets.com/colors/brands/hp-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 19 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #424181, 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), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #424181: 6 real palettes, including First Snow and Glacier, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Glacier (https://brandsweets.com/palettes/cool#glacier), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/powderblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #424181: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 9.11:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6e6db6 (4.53:1); AA: background → #b8b8b8 (4.59:1); AAA: text → #9392c8 (7.19:1); AAA: background → #e3e3e3 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/424181-a19cc4-df9b4e-261f2d-e9edf1?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: "#424181" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.