# #453f83

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

## Values

- Hex: `#453f83`
- RGB: rgb(69, 63, 131)
- HSL: hsl(245, 35%, 38%)
- OKLCH: oklch(0.41 0.11 284.4)
- Relative luminance: 0.0646
- Nearest named color: darkslateblue (#483d8b, Δ 1.552) — https://brandsweets.com/colors/darkslateblue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/453f83

## Tints & shades

- Tints (toward white): #4f4997, #5a53ac, #6e68b6, #827cc0, #9691ca, #a9a5d4, #bdbade, #d1cfe8, #e5e3f2, #f8f8fc
- Shades (toward black): #3f3a78, #38336b, #332e60, #2b2853, #262348, #211e3e, #191730, #141226, #0d0c18, #07070e

## Harmonies

- Complementary: #7d833f
- Analogous: #3f5b83, #673f83
- Triadic: #83453f, #3f8345
- Split-complementary: #83673f, #5b833f
- Tetradic: #833f5b, #7d833f, #3f8367

## Colors that go with #453f83

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 #453f83's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/steelblue
- **Blue** #0000ff [pool] — 4 real palettes, including CVS's brand system and Tesco's brand system put Blue beside #453f83, 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 #453f83 in 10 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), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #453f83: 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), Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 16 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #453f83, 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #453f83: 4 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #453f83 in 13 real palettes, including Nokia's brand system and Carrefour's brand system, as the supporting colour. Seen in: Nokia (https://brandsweets.com/colors/brands/nokia-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Zoom (https://brandsweets.com/colors/brands/zoom-us), Motorola (https://brandsweets.com/colors/brands/motorola-com). — https://brandsweets.com/colors/royalblue
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #453f83: 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): 9.16:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #756eb9 (4.69:1); AA: background → #b8b8b8 (4.62:1); AAA: text → #9691ca (7.2:1); AAA: background → #e3e3e3 (7.14:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/453f83-a49cc4-dfa54e-261f2d-e9ecf1?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: "#453f83" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.