#000000
#1A0A3A
#FF6B35
#FFFFAA
Background
Primary Accent
Secondary
Body Text

Astronomy Color Palette

#000000 · #1A0A3A · #FF6B35 · #FFFFAA

AAA
WCAG Grade
20.1:1
Contrast Ratio
2,300
Saves
6,200
AI Copies
AI Prompt

Use #000000 as the background. Use #1A0A3A as the primary accent. Use #FF6B35 as secondary. Use #FFFFAA as body text/supporting color. Palette mood: Astronomy — dark, vast, wonderful.

Hex Codes, RGB & CMYK Color Values

Technical breakdown for the Astronomy 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: 0.0%
0, 0, 0 0%, 0%, 0%, 100% 0°, 0%, 0%
Primary Accent
Luminance: 0.7%
26, 10, 58 55%, 83%, 0%, 77% 260°, 71%, 13%
Secondary
Luminance: 32.0%
255, 107, 53 0%, 58%, 79%, 0% 16°, 100%, 60%
Body Text
Luminance: 95.7%
255, 255, 170 0%, 0%, 33%, 0% 60°, 100%, 83%

Astronomy 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 Astronomy palette — click any swatch to copy its hex.

#000000 neutral gray
#1A0A3A saturated violet
#FF6B35 saturated orange
#FFFFAA saturated yellow

Astronomy 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
#FFFFAA on #000000
Aa Sample Text
20.14:1 AAA Body text, headings, UI
#000000 on #FFFFAA
Aa Sample Text
20.14:1 AAA Body text, headings, UI
#FFFFAA on #1A0A3A
Aa Sample Text
17.53:1 AAA Body text, headings, UI
#1A0A3A on #FFFFAA
Aa Sample Text
17.53:1 AAA Body text, headings, UI
#FF6B35 on #000000
Aa Sample Text
7.41:1 AAA Body text, headings, UI
#000000 on #FF6B35
Aa Sample Text
7.41:1 AAA Body text, headings, UI
#FF6B35 on #1A0A3A
Aa Sample Text
6.45:1 AA Body text, UI
#1A0A3A on #FF6B35
Aa Sample Text
6.45:1 AA Body text, UI
#FFFFAA on #FF6B35
Aa Sample Text
2.72:1 Fail Decorative use only
#FF6B35 on #FFFFAA
Aa Sample Text
2.72:1 Fail Decorative use only
#1A0A3A on #000000
Aa Sample Text
1.15:1 Fail Decorative use only
#000000 on #1A0A3A
Aa Sample Text
1.15:1 Fail Decorative use only

Astronomy Color Psychology & Meaning

Astronomy is the palette of the night sky — absolute black, the warm orange of a star at solar maximum, and the pale yellow of distant suns. These are the colors of deep time.

Color Harmony: Triadic Scheme

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

Hue Wheel

A triadic palette is often preferred by professional designers because it balances visual interest with cohesion.

History & Design Context

Astronomy photography and communication has developed a sophisticated visual vocabulary drawing from Hubble and James Webb Space Telescope imagery. The orange-on-black system represents stellar emission nebulae.

Best Design Use Cases

Pure black for backgrounds. Deep space purple for secondary surfaces. Warm stellar orange for primary highlights and brand elements. Pale yellow for secondary accents.

Industries This Palette Suits

Astronomy brands, science communication, planetariums, space tourism, science education.

Colors That Pair Well With Astronomy

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-green

directly opposite #1A0A3A on the wheel — the strongest accent for CTAs and highlights when you need maximum energy

violet

30° beside #1A0A3A — a calm secondary that extends the palette without adding tension

tinted neutral

a paper-white carrying the palette's own hue — perfect for surfaces and dividers

Using Astronomy Without Breaking Accessibility

  • Avoid #1A0A3A for small UI elements on #000000 — at 1.1:1 it misses the 3:1 WCAG threshold; darken it with a shade from the ramp below.
  • Set body text in #FFFFAA — 20.1:1 against #000000 passes WCAG AA (AAA) for long-form reading.
  • Don't use #FF6B35 behind body text — this light tone works better for surfaces, badges and dividers than for reading areas.

How to Implement the Astronomy Color Scheme

To use this Astronomy 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 #000000 for the main background and #1A0A3A for primary buttons. This creates a high-contrast focal point.

Accessibility Note

The contrast ratio between #FFFFAA and #000000 is 20.14:1 (AAA). Ensure your body text remains legible.

Astronomy Palette — Frequently Asked Questions

What are the hex codes in the Astronomy color palette?

The Astronomy palette contains #000000, #1A0A3A, #FF6B35, #FFFFAA. 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 Astronomy color palette accessible (WCAG)?

Yes for its strongest pairings: #FFFFAA on #000000 reaches 20.1:1 (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 Astronomy palette?

Beyond its own four colors, #6E991A, #2F0D35, #EEECEC 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 Astronomy palette create?

Astronomy reads as dark, vast, wonderful. Saturated violet drives the personality, grounded by neutral gray — a combination that works best when the deep base gets most of the canvas.

Can I use the Astronomy color palette commercially?

Yes. Individual color values can't be copyrighted, so the Astronomy 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 Astronomy 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 Astronomy's exact values, including the tint and shade ramps shown above.

Similar Palettes

Live Preview
Generate Similar ✦
Skip to content