# #3e437a

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

## Values

- Hex: `#3e437a`
- RGB: rgb(62, 67, 122)
- HSL: hsl(235, 33%, 36%)
- OKLCH: oklch(0.406 0.092 277.6)
- Relative luminance: 0.0644
- Nearest named color: Evening Magic (#363e7d, Δ 2.096) — https://brandsweets.com/colors/evening-magic
- Moods: cool, muted
- Page: https://brandsweets.com/colors/3e437a

## Tints & shades

- Tints (toward white): #484e8e, #5259a3, #666db2, #7b80bc, #8f94c7, #a3a7d1, #b8bbdb, #d0d1e7, #e4e5f1, #f8f8fc
- Shades (toward black): #383d70, #333766, #2c3058, #272b4e, #222544, #1d1f3a, #181a2f, #111222, #0c0d18, #07070e

## Harmonies

- Complementary: #7a753e
- Analogous: #3e617a, #573e7a
- Triadic: #7a3e43, #437a3e
- Split-complementary: #7a573e, #617a3e
- Tetradic: #7a3e61, #7a753e, #3e7a57

## Colors that go with #3e437a

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 #3e437a's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 5 real palettes, including Alaska Airlines's brand system and CVS's brand system put Blue beside #3e437a, as the accent. Seen in: Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), CVS (https://brandsweets.com/colors/brands/cvs-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), Procter & Gamble (https://brandsweets.com/colors/brands/pg-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3e437a in 10 real palettes, including Walgreens's brand system and Codecademy's brand system, as the lead colour. Seen in: Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3e437a: 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), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 15 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #3e437a, 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
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #3e437a in 5 real palettes, including Tumblr's brand system and NASA's brand system, as the accent. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), HubSpot (https://brandsweets.com/colors/brands/hubspot-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #3e437a: 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 #3e437a: 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): 9.18:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6a70b4 (4.59:1); AA: background → #b8b8b8 (4.63:1); AAA: text → #8f94c7 (7.23:1); AAA: background → #e3e3e3 (7.15:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3e437a-9e9cc4-df8d4e-241f2d-e9eef1?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: "#3e437a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.