#E8ECF2
#3A4A8C
#242E68
#0B1028
Background
Primary Accent
Secondary
Body Text

Drafting Grid Color Palette

#E8ECF2 · #3A4A8C · #242E68 · #0B1028

AAA
WCAG Grade
15.8:1
Contrast Ratio
1,035
Saves
2,845
AI Copies
AI Prompt

Use #E8ECF2 as the background. Use #3A4A8C as the primary accent. Use #242E68 as secondary. Use #0B1028 as body text/supporting color. Palette mood: Drafting Grid — cool, mono, vintage, neon, night.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Drafting Grid color scheme. Use these values for web design (HEX/RGB), print projects (CMYK), or specialized design software (HSL).

Swatch Design Role HEX RGB CMYK HSL
Background
Luminance: 83.6%
232, 236, 242 4%, 2%, 0%, 5% 216°, 28%, 93%
Primary Accent
Luminance: 7.7%
58, 74, 140 59%, 47%, 0%, 45% 228°, 41%, 39%
Secondary
Luminance: 3.3%
36, 46, 104 65%, 56%, 0%, 59% 231°, 49%, 27%
Body Text
Luminance: 0.6%
11, 16, 40 73%, 60%, 0%, 84% 230°, 57%, 10%

Drafting Grid Tints & Shades

Hover states, borders and elevation need lighter and darker steps of your base colors. Here are computed tints and shades for every color in the Drafting Grid palette — click any swatch to copy its hex.

#E8ECF2 gently saturated blue
#3A4A8C gently saturated blue
#242E68 gently saturated blue
#0B1028 gently saturated blue

Drafting Grid Palette Contrast Matrix (WCAG 2.1)

Every color tested as text on every other color as background. Body copy needs 4.5:1 (AA), large text and UI components 3:1. AAA requires 7:1.

Text on Background Preview Ratio Grade Safe For
#0B1028 on #E8ECF2
Aa Sample Text
15.83:1 AAA Body text, headings, UI
#E8ECF2 on #0B1028
Aa Sample Text
15.83:1 AAA Body text, headings, UI
#242E68 on #E8ECF2
Aa Sample Text
10.63:1 AAA Body text, headings, UI
#E8ECF2 on #242E68
Aa Sample Text
10.63:1 AAA Body text, headings, UI
#3A4A8C on #E8ECF2
Aa Sample Text
6.98:1 AA Body text, UI
#E8ECF2 on #3A4A8C
Aa Sample Text
6.98:1 AA Body text, UI
#0B1028 on #3A4A8C
Aa Sample Text
2.27:1 Fail Decorative use only
#3A4A8C on #0B1028
Aa Sample Text
2.27:1 Fail Decorative use only
#242E68 on #3A4A8C
Aa Sample Text
1.52:1 Fail Decorative use only
#3A4A8C on #242E68
Aa Sample Text
1.52:1 Fail Decorative use only
#0B1028 on #242E68
Aa Sample Text
1.49:1 Fail Decorative use only
#242E68 on #0B1028
Aa Sample Text
1.49:1 Fail Decorative use only

Drafting Grid Color Psychology & Meaning

A drafting sheet printed its grid in indigo so that it would not compete with the black lines of the drawing itself, which is a deliberate hierarchy disguised as a colour, and this palette is vellum pale with ink deep. It feels precise and quiet, the color of a page ruled before anyone wrote on it.

Color Harmony: Analogous Scheme

The Drafting Grid palette is built using a analogous relationship between its hues. This ensures that even with high-contrast accents, the overall scheme feels balanced and intentional.

Hue Wheel

A analogous palette is often preferred by professional designers because it creates a calm, serene atmosphere by using neighboring colors.

History & Design Context

Engineering drawing paper used a blue or green grid because it reproduced as a different tone from ink on photographic copies, letting the grid vanish in the print.

Best Design Use Cases

Use the vellum pale for large surfaces, grid indigo for links and buttons, ink deep for fine details, and border dark for text.

Industries This Palette Suits

Software products, security and infrastructure tools, fintech, developer platforms.

Colors That Pair Well With Drafting Grid

Need a fifth color? These three companions are computed from the palette's own hue positions on the color wheel, so they extend the scheme without breaking its harmony.

yellow

directly opposite #3A4A8C on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

violet

30° beside #3A4A8C — a calm secondary that extends the palette without adding tension

tinted neutral

a ink-black carrying the palette's own hue — perfect for surfaces and dividers

Using Drafting Grid Without Breaking Accessibility

  • Use #3A4A8C for buttons and links — it scores 7.0:1 against the #E8ECF2 background (above the 3:1 UI-components threshold).
  • Set body text in #0B1028 — 15.8:1 against #E8ECF2 passes WCAG AA (AAA) for long-form reading.
  • Let #242E68 carry sidebars, cards and footers — at a mid lightness it separates zones without stealing focus from #3A4A8C.

How to Implement the Drafting Grid Color Scheme

To use this Drafting Grid color palette in your web project, you can copy the following CSS variables or Tailwind CSS configuration. These roles ensure your UI maintains accessibility and visual hierarchy.

Option 1: CSS Variables

:root { 
  /* {name} Palette - ihatecolors.com */{'
'}  --color-bg: {colors[0]};{'
'}  --color-primary: {colors[1]};{'
'}  --color-secondary: {colors[2]};{'
'}  --color-text: {colors[3]};{'
'} {'}'}

Web Design Tip

Use #E8ECF2 for the main background and #3A4A8C for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #0B1028 and #E8ECF2 is 15.83:1 (AAA). Ensure your body text remains legible.

Drafting Grid Palette — Frequently Asked Questions

What are the hex codes in the Drafting Grid color palette?

The Drafting Grid palette contains #E8ECF2, #3A4A8C, #242E68, #0B1028. Click any swatch on this page to copy its value, or export all four at once as CSS variables, Tailwind config, SCSS or a Figma-ready list.

Is the Drafting Grid color palette accessible (WCAG)?

Yes for its strongest pairings: #0B1028 on #E8ECF2 reaches 15.8:1 (AAA). For body text always keep a 4.5:1 ratio and for large UI elements 3:1 — the full contrast matrix above shows the exact score for every color-on-color combination in this palette.

What colors go well with the Drafting Grid palette?

Beyond its own four colors, #8C7C3B, #574582, #131416 extend it naturally: the complementary hue for high-energy accents, an analogous neighbor for calm transitions, and a tinted neutral for surfaces. All three are computed from this palette's hues on the color wheel.

What mood does the Drafting Grid palette create?

Drafting Grid reads as cool, mono, vintage. Gently saturated blue drives the personality, grounded by gently saturated blue — a combination that works best when the very light base gets most of the canvas.

Can I use the Drafting Grid color palette commercially?

Yes. Individual color values can't be copyrighted, so the Drafting Grid palette is free for personal, client and commercial work — websites, branding, apps, print and social content, with no attribution required.

How do I add the Drafting Grid palette to Tailwind or CSS?

Use the export panel on this page: CSS variables, a Tailwind config block, SCSS variables, or a Figma copy list are generated from Drafting Grid's exact values, including the tint and shade ramps shown above.

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