SpaceCadet
#1D2951Blue family
About SpaceCadet
SpaceCadet (#1D2951) is a very dark, moderately saturated blue. Blue is the world's most popular favorite color, associated with trust, calm and depth, and this shade carries that steady, dependable character.
Psychology
Blue lowers stress and is associated with trust, intelligence and reliability. It is the color of stability and competence, which is why so many banks, insurers and technology companies build their brands around it.
Applications
Blue dominates corporate, financial, healthcare and technology design. Light blues feel airy and clean, while deep blues convey authority and luxury. It is also the default for links and primary buttons in countless interfaces.
History
Ultramarine was once made from ground lapis lazuli and was more expensive than gold, reserved for the robes of the Virgin Mary in Renaissance art. Prussian blue and synthetic ultramarine later made blue affordable and ubiquitous.
Meaning
Blue commonly means trust, peace, loyalty and wisdom. In some cultures it is protective, in others it signifies sadness, and it is widely used in flags and institutions to project stability.
Why use this color
Choose blue when you want to build trust, calm and professionalism. It is the safest choice for corporate and financial brands and for interfaces where clarity and reliability matter most.
Accessibility
Against white, #1D2951 has a 14.1:1 contrast ratio; against black it is 1.5:1. White text on #1D2951 meets WCAG AA for normal text.
Fun facts
- Blue is the most commonly cited favorite color worldwide.
- Ultramarine was once more expensive than gold because it came from lapis lazuli.
- Blue light has a short wavelength, which is why the sky and distant mountains look blue.
Shades, tints & tones
Variations
Ten lightness steps plus SpaceCadet's tints, shades and tones — every swatch copies its hex on click.
Lightness scale
Tints (toward white)
Shades (toward black)
Tones (toward gray)
Color theory
Color harmonies
Proven schemes built around SpaceCadet. Each swatch is one click from your clipboard.
Complementary
Analogous
Triadic
Split-complementary
Tetradic
Monochromatic
Accessibility
Blindness simulator
See how SpaceCadet is perceived with common types of color vision deficiency.
Normal vision
Standard trichromatic vision, shown for reference.
Protanopia
Red-blind. Reds look darker and can be confused with greens and browns.
Deuteranopia
Green-blind. Greens look muted and can be confused with reds and browns.
Tritanopia
Blue-blind. Blues look greenish and yellows fade toward pink.
Achromatopsia
Complete color blindness. Everything is seen in shades of gray.
WCAG
Contrast checker
How SpaceCadet performs against black and white text, with WCAG AA and AAA ratings.
The ratio is identical whether SpaceCadet is used as the text or the background.
Open the full checkerReady to use
Color palettes
Curated palettes that put SpaceCadet to work, with copy-all support for each.
Complementary
Roughly 180° across the wheel from #1D2951 (hue 226°) sits #52461e, held together by the #4c60a4 tint and the neutrals #f4f4f5 and #18181b.
Analogous
#1D2951 with its two closest neighbours, #1e4452 and #2c1e52, for a 47%-saturation run that stays inside one family; #4c60a4 and #000000 add depth without breaking it.
Triadic
#1D2951 plus #521e2a and #2a521e, a triangle that sits 120° apart at every corner, with #f4f4f5 and #18181b doing the quiet work underneath.
Monochromatic
One hue at 5 lightness steps: #f0f2fa through #080b16, starting from #1D2951 at 22% lightness.
SpaceCadet (#1D2951) is a blue-family color. Use its values, variations, harmonies and palettes above to put it to work in your next design.
Frequently asked questions
SpaceCadet is #1D2951 — rgb(29, 41, 81) / hsl(226, 47%, 22%). SpaceCadet (#1D2951) is a very dark, moderately saturated blue. Blue is the world's most popular favorite color, associated with trust, calm and depth, and this shade carries that steady, dependable character.
Good to know
- SpaceCadet is one of 609 named colors in the library.
- Its complementary hue sits 180° away on the color wheel: #52461e.
More color tools
Next steps for SpaceCadet: each of these picks the value up where this page leaves off, so nothing gets retyped or re-uploaded.