# #403b4a

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

## Values

- Hex: `#403b4a`
- RGB: rgb(64, 59, 74)
- HSL: hsl(260, 11%, 26%)
- OKLCH: oklch(0.363 0.026 300.3)
- Relative luminance: 0.0471
- Nearest named color: Call It a Night (#42364c, Δ 1.729) — https://brandsweets.com/colors/call-it-a-night
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/403b4a

## Tints & shades

- Tints (toward white): #514b5d, #625b71, #766d88, #888099, #9b93a9, #ada7b9, #c0bbc9, #d5d2db, #e7e6eb, #faf9fa
- Shades (toward black): #3b3644, #36323e, #2f2b36, #2a2730, #25222a, #201e25, #1b191f, #141217, #0f0e11, #0a090b

## Harmonies

- Complementary: #454a3b
- Analogous: #3b3d4a, #473b4a
- Triadic: #4a403b, #3b4a40
- Split-complementary: #4a473b, #3d4a3b
- Tetradic: #4a3b3d, #454a3b, #3b4a47

## Colors that go with #403b4a

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

- **Blue** #0000ff [pool] — 11 real palettes, including Dunkin''s brand system and Minecraft's brand system put Blue beside #403b4a, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Jeep (https://brandsweets.com/colors/brands/jeep-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 5 real palettes, including Nursery and Garden Wedding put Blush Pink beside #403b4a, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Burlywood** #deb887 [pool] — Burlywood is paired with #403b4a in 5 real palettes, including Polaroid and Coastal, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Coastal (https://brandsweets.com/palettes/cool#coastal), Velvet (https://brandsweets.com/palettes/luxury#velvet), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/burlywood
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #403b4a: 6 real palettes, including Clean Beauty and Paper & Pine, as the lead colour. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Coastal (https://brandsweets.com/palettes/cool#coastal), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #403b4a: 9 real palettes, including Notion's brand system and Clean Beauty. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Bakery (https://brandsweets.com/palettes/warm#bakery), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #403b4a in 14 real palettes, including Dunkin''s brand system and Codecademy's brand system, as the accent. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Dark Goldenrod** #b8860b [pool] — 4 real palettes, including Puma's brand system and Greige put Dark Goldenrod beside #403b4a, as the supporting colour. Seen in: Puma (https://brandsweets.com/colors/brands/puma-com), Greige (https://brandsweets.com/palettes/neutral#greige), Cider (https://brandsweets.com/palettes/warm#cider), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/darkgoldenrod
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #403b4a was made for — maximum legibility with no colour cast to argue with. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 10.81:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.94:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7b718e (4.59:1); AA: background → #a8a8a8 (4.55:1); AAA: text → #9b93a9 (7.14:1); AAA: background → #d1d1d1 (7.08:1)

## Fonts for this mood

- 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/403b4a-ae9cc4-dfc94e-2a1f2d-e9ebf1?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: "#403b4a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.