# #041d53

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#041d53`
- RGB: rgb(4, 29, 83)
- HSL: hsl(221, 91%, 17%)
- OKLCH: oklch(0.254 0.103 262.3)
- Relative luminance: 0.0153
- Nearest named color: Dark Soul (#112255, Δ 2.181) — https://brandsweets.com/colors/dark-soul
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/041d53

## Tints & shades

- Tints (toward white): #062a7a, #0838a1, #0946c8, #0b53ef, #3270f5, #598bf7, #80a7f9, #a7c2fb, #ceddfd, #f5f8ff
- Shades (toward black): #041b4e, #031844, #03163f, #03143a, #031336, #020f2c, #020e27, #020c22, #010818, #010713

## Harmonies

- Complementary: #533a04
- Analogous: #044453, #120453
- Triadic: #53041d, #1d5304
- Split-complementary: #531204, #445304
- Tetradic: #530444, #533a04, #045312

## Colors that go with #041d53

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 #041d53: softer than #000 and cool enough to feel like part of the same palette. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), CeraVe (https://brandsweets.com/colors/brands/cerave-com), Volkswagen (https://brandsweets.com/colors/brands/vw-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #041d53 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [harmony, pool: analogous] — Steel Blue is #041d53's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Amber** #ffbf00 [pool] — Amber is paired with #041d53 in 8 real palettes, including Southwest Airlines's brand system and Beach Hut, as the accent. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Monzo's brand system and Penpot's brand system put Blue beside #041d53, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Penpot (https://brandsweets.com/colors/brands/penpot-app), Sketch (https://brandsweets.com/colors/brands/sketch-com), League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #041d53: 10 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Arctic (https://brandsweets.com/palettes/clean#arctic), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #041d53: 13 real palettes, including MLB's brand system and Blue Mono, as the accent. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #041d53: 7 real palettes, including Dusk and Notion's brand system, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Bramble (https://brandsweets.com/palettes/muted#bramble), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 16.08:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.31:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e6df5 (4.62:1); AA: background → #8a8a8a (4.66:1); AAA: text → #6896f8 (7.31:1); AAA: background → #ababab (7:1)

## Brands using this color

- **Airbus** — secondary #00205b (Δ 1.658) — https://brandsweets.com/colors/brands/airbus-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/041d53-9ca4c4-df6b4e-211f2d-e9eff1?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: "#041d53" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.