# #45477d

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

## Values

- Hex: `#45477d`
- RGB: rgb(69, 71, 125)
- HSL: hsl(238, 29%, 38%)
- OKLCH: oklch(0.422 0.089 280.3)
- Relative luminance: 0.0725
- Nearest named color: Assassin (#2d4f83, Δ 3.568) — https://brandsweets.com/colors/assassin
- Moods: cool, muted
- Page: https://brandsweets.com/colors/45477d

## Tints & shades

- Tints (toward white): #505291, #5b5da4, #6e70af, #8284ba, #9697c5, #a9abd0, #bdbedb, #d1d2e6, #e5e5f1, #f8f9fb
- Shades (toward black): #3f4173, #383a66, #33345c, #2b2d4f, #262745, #21213b, #191a2e, #141424, #0d0d17, #07070d

## Harmonies

- Complementary: #7d7b45
- Analogous: #45637d, #5f457d
- Triadic: #7d4547, #477d45
- Split-complementary: #7d5f45, #637d45
- Tetradic: #7d4563, #7d7b45, #457d5f

## Colors that go with #45477d

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 #45477d'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), Capital One (https://brandsweets.com/colors/brands/capitalone-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 7 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #45477d, 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 #45477d in 13 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), 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 #45477d: 15 real palettes, including HP's brand system and Unilever's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #45477d: 4 real palettes, including Datadog's brand system and Campbell's's brand system, as the accent. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Campbell's (https://brandsweets.com/colors/brands/campbells-com), Fireside (https://brandsweets.com/palettes/dark#fireside), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/firebrick
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #45477d in 4 real palettes, including Sapphire & Gold and Open House, as the supporting colour. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Open House (https://brandsweets.com/palettes/clean#open-house), Disney (https://brandsweets.com/colors/brands/disney-com), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 16 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #45477d, 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
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #45477d: 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): 8.57:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6e70af (4.6:1); AA: background → #bdbdbd (4.56:1); AAA: text → #9294c3 (7.25:1); AAA: background → #ebebeb (7.19:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/45477d-9f9cc4-df944e-251f2d-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: "#45477d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.