Presentation Color Palette
One primary blue, white space, one data orange and one supporting green — chart-friendly, projector-safe and WCAG AA. Anchors: #1E5F9E, #FFFFFF, #F07B3F, #2D5A27.
presentationslidesclear
#1E5F9E
#FFFFFF
#F07B3F
#2D5A27
#A3B3D3
#1e5f9e #ffffff #f07b3f #2d5a27 #a3b3d3
#1E5F9E #FFFFFF #F07B3F #2D5A27 #A3B3D3
Semantic roles
Assigned deterministically: lightest = background, darkest = text, most saturated = primary.
| background | #FFFFFF | |
| surface | #A3B3D3 | |
| text | #2D5A27 | |
| text-muted | #1E5F9E | |
| primary | #1E5F9E | |
| secondary | #F07B3F | |
| accent | #A3B3D3 |
CSS variables
:root {
--background: #ffffff;
--surface: #a3b3d3;
--text: #2d5a27;
--text-muted: #1e5f9e;
--primary: #1e5f9e;
--secondary: #f07b3f;
--accent: #a3b3d3;
}Accessibility matrix
Text color (rows) on background (columns). Green = WCAG AA pass for normal text (≥4.5:1).
| Text \ BG | #1E5F9E | #FFFFFF | #F07B3F | #2D5A27 | #A3B3D3 |
|---|---|---|---|---|---|
| #1E5F9E | 1.0 | 6.6 | 2.4 | 1.2 | 3.1 |
| #FFFFFF | 6.6 | 1.0 | 2.8 | 8.1 | 2.1 |
| #F07B3F | 2.4 | 2.8 | 1.0 | 2.9 | 1.3 |
| #2D5A27 | 1.2 | 8.1 | 2.9 | 1.0 | 3.8 |
| #A3B3D3 | 3.1 | 2.1 | 1.3 | 3.8 | 1.0 |
Under deuteranopia
Machado et al. (2009) simulation, severity 1.0 — approximation, not a medical tool.
Colors in this palette
#1E5F9E
rgb(30, 95, 158)
#FFFFFF
White
#F07B3F
rgb(240, 123, 63)
#2D5A27
Forest Green
#A3B3D3
rgb(163, 179, 211)
Similar palettes
FAQ
How do I use the presentation color palette in CSS?
Copy the CSS variables below into :root and use var(--primary), var(--background) etc. Full palette: #1E5F9E, #FFFFFF, #F07B3F, #2D5A27, #A3B3D3.
Do these colors pass accessibility checks?
See the WCAG matrix on this page: every text-on-background pairing with ratio ≥ 4.5 passes AA for normal text; ≥ 3 passes AA for large text and UI components.