# #403d48

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

## Values

- Hex: `#403d48`
- RGB: rgb(64, 61, 72)
- HSL: hsl(256, 8%, 26%)
- OKLCH: oklch(0.367 0.019 297.9)
- Relative luminance: 0.049
- Nearest named color: Black Truffle (#463d3e, Δ 1.95) — https://brandsweets.com/colors/black-truffle
- Moods: muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/403d48

## Tints & shades

- Tints (toward white): #514d5b, #625e6e, #767184, #888395, #9a96a6, #adaab6, #c0bdc7, #d5d3d9, #e7e6ea, #faf9fa
- Shades (toward black): #3b3842, #36343d, #2f2d34, #2a282f, #252329, #201e24, #1b1a1e, #141316, #0f0e11, #0a090b

## Harmonies

- Complementary: #45483d
- Analogous: #3d3f48, #453d48
- Triadic: #48403d, #3d4840
- Split-complementary: #48453d, #3f483d
- Tetradic: #483d3f, #45483d, #3d4845

## Colors that go with #403d48

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] — 10 real palettes, including Dunkin''s brand system and Jeep's brand system put Blue beside #403d48, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), 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 #403d48, 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 #403d48 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 #403d48: 5 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 #403d48: 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 #403d48 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 Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #403d48 in 6 real palettes, including Olive Grove and Oatmeal, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #403d48 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): 10.61:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.98:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #787387 (4.6:1); AA: background → #ababab (4.62:1); AAA: text → #9894a4 (7.11:1); AAA: background → #d4d4d4 (7.16:1)

## 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/403d48-ab9cc4-dfbf4e-291f2d-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: "#403d48" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.