# #405e4a

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

## Values

- Hex: `#405e4a`
- RGB: rgb(64, 94, 74)
- HSL: hsl(140, 19%, 31%)
- OKLCH: oklch(0.452 0.048 154.8)
- Relative luminance: 0.0959
- Nearest named color: Ethereal Woods (#3e5e4e, Δ 0.64) — https://brandsweets.com/colors/ethereal-woods
- Moods: muted
- Page: https://brandsweets.com/colors/405e4a

## Tints & shades

- Tints (toward white): #4e735b, #5b8669, #6a9a7a, #80a88d, #95b7a0, #a7c3b0, #bcd2c3, #d1e0d6, #e4ece7, #f9fbfa
- Shades (toward black): #3a5543, #364f3e, #304637, #293d30, #25372b, #1f2e24, #19241d, #131b15, #0e1511, #080c0a

## Harmonies

- Complementary: #5e4054
- Analogous: #455e40, #405e59
- Triadic: #4a405e, #5e4a40
- Split-complementary: #59405e, #5e4045
- Tetradic: #40455e, #5e4054, #5e5940

## Colors that go with #405e4a

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

- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #405e4a: 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
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #405e4a, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #405e4a: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #405e4a in 5 real palettes, including Gemstone and Codecademy's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #405e4a: 8 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
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #405e4a in 5 real palettes, including Fireside and Mid-Century, as the accent. Seen in: Fireside (https://brandsweets.com/palettes/dark#fireside), Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Disney (https://brandsweets.com/colors/brands/disney-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/goldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #405e4a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Slate Blue** #6a5acd [harmony, pool: split] — Slate Blue is a split-complement of #405e4a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas). — https://brandsweets.com/colors/slateblue

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

- On white (#ffffff): 7.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.92:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #577f64 (4.63:1); AA: background → #cfcfcf (4.62:1); AAA: text → #73a082 (7.08:1); AAA: background → #fcfcfc (7.01:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/405e4a-a2beaf-c259d4-1f2d2a-ebf1e9?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: "#405e4a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.