# #403f03

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

## Values

- Hex: `#403f03`
- RGB: rgb(64, 63, 3)
- HSL: hsl(59, 91%, 13%)
- OKLCH: oklch(0.357 0.075 108.6)
- Relative luminance: 0.0465
- Nearest named color: Green Not Found (#404404, Δ 1.58) — https://brandsweets.com/colors/green-not-found
- Moods: warm, vivid, dark, playful, bold, luxury
- Page: https://brandsweets.com/colors/403f03

## Tints & shades

- Tints (toward white): #6b6905, #929007, #bebb09, #e5e10b, #f5f129, #f7f450, #f9f77b, #fbf9a2, #fdfcce, #fffef5
- Shades (toward black): #3a3a03, #363503, #313002, #2c2b02, #2c2b02, #272602, #222202, #1d1d01, #181801, #131301

## Harmonies

- Complementary: #03043f
- Analogous: #3f2003, #223f03
- Triadic: #033f3e, #3e033f
- Split-complementary: #03223f, #20033f
- Tetradic: #033f20, #03043f, #3f0322

## Colors that go with #403f03

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

- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #403f03: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Docker (https://brandsweets.com/colors/brands/docker-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 8 real palettes, including Dunkin''s brand system and Instacart's brand system put Blue beside #403f03, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Garden Wedding and Nursery put Blush Pink beside #403f03, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Nursery (https://brandsweets.com/palettes/light#nursery), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #403f03: 7 real palettes, including Notion's brand system and Bakery. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Bakery (https://brandsweets.com/palettes/warm#bakery), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #403f03 in 10 real palettes, including Dunkin''s brand system and MAC Cosmetics's brand system, as the accent. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), Burger King (https://brandsweets.com/colors/brands/bk-com), M&M's (https://brandsweets.com/colors/brands/mms-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #403f03 in 4 real palettes, including Olive Grove and Undergrowth, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #403f03: 4 real palettes, including McDonald's's brand system and YouTube's brand system, as the accent. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Cream** #fffdd0 [role] — Cream is the surface #403f03 wants: a warm off-white that shares its undertone, so #403f03 reads softer on it than on pure white. — https://brandsweets.com/colors/cream

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

- On white (#ffffff): 10.88:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.93:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #7a7806 (4.52:1); AA: background → #a8a8a8 (4.58:1); AAA: text → #a19e08 (7.41:1); AAA: background → #d1d1d1 (7.12:1)

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold
- luxury: https://brandsweets.com/fonts/mood/luxury

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/403f03-bbbea2-4e96df-272d1f-f1ede9?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: "#403f03" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.