# #045758

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

## Values

- Hex: `#045758`
- RGB: rgb(4, 87, 88)
- HSL: hsl(181, 91%, 18%)
- OKLCH: oklch(0.415 0.069 196.2)
- Relative luminance: 0.0755
- Nearest named color: Cape Verde (#01554f, Δ 1.532) — https://brandsweets.com/colors/cape-verde
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/045758

## Tints & shades

- Tints (toward white): #067d7f, #08a3a6, #0ac9cd, #0bf0f4, #32f2f5, #59f5f7, #80f7f9, #a7f9fb, #cefcfd, #f5feff
- Shades (toward black): #045153, #034849, #034344, #033a3a, #033536, #023031, #022627, #022222, #011818, #011313

## Harmonies

- Complementary: #580604
- Analogous: #04582f, #042d58
- Triadic: #580456, #565804
- Split-complementary: #58042d, #582f04
- Tetradic: #2f0458, #580604, #2d5804

## Colors that go with #045758

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

- **Crimson** #dc143c [harmony, pool: complementary] — Crimson sits directly opposite #045758 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Blue** #0000ff [pool] — 6 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #045758, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #045758: 4 real palettes, including Paper & Pine and Alpine, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Alpine (https://brandsweets.com/palettes/cool#alpine), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #045758: 4 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #045758: 7 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: 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), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #045758 in 5 real palettes, including Neon's brand system and Chime's brand system, as the lead colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Chime (https://brandsweets.com/colors/brands/chime-com), CircleCI (https://brandsweets.com/colors/brands/circleci-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/emerald-green
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #045758 in 5 real palettes, including Fireside and Disney's brand system, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Disney (https://brandsweets.com/colors/brands/disney-com), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #045758: 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): 8.37:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #068688 (4.77:1); AA: background → #bfbfbf (4.55:1); AAA: text → #08a8aa (7.19:1); AAA: background → #ebebeb (7.02:1)

## Brands using this color

- **Gusto** — accent #00535c (Δ 1.702) — https://brandsweets.com/colors/brands/gusto-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/045758-a2babe-d45992-1f272d-e9f1ed?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: "#045758" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.