Arsenic (#3B444B)
HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.
Preview
Contrast vs white: 9.93:1 — vs black: 2.11:1
Color values
-
HEX
#3B444B -
RGB
rgb(59, 68, 75) -
HSL
hsl(206, 21%, 29%) -
CMYK
cmyk( 21.33, 9.33, 0, 70.59 )
Tags
Mood
Style
Use case
Tip: tags are heuristic suggestions (helpful for browsing and inspiration).
Color Harmonies
Colors that pair well with #3B444B based on color theory relationships.
The color directly opposite on the color wheel — creates maximum contrast and vibrance.
#3B444B
Base
#4B423B
Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.
#3B444B
Base
#3B4B4A
#3B3C4B
Three colors equally spaced 120° apart — bold, balanced, and visually rich.
#3B444B
Base
#4B3B44
#444B3B
Two colors flanking the complement — high contrast with less tension than full complementary.
#3B444B
Base
#4B3B3C
#4B4A3B
Four colors at 90° intervals — rich variety, best when one color dominates.
#3B444B
Base
#4A3B4B
#4B423B
#3C4B3B
Shades and tints of the same hue — cohesive, elegant, and easy to work with.
#3B444B
Base
#0B0D0E
#191D20
#292F34
#4D5962
#5D6B76
#82919D
Darker shades and lighter tints of Arsenic, generated by adjusting lightness while keeping the same hue and saturation.
Shades (darker)
#0B0D0E
#15181A
#1E2327
#282E33
#31393F
#3B444B
Base
#5A6872
#7B8B97
#A2ADB6
#C9D0D5
#F1F2F4
Ready-to-use code snippets for #3B444B. Click the copy button to copy any snippet to your clipboard.
/* Background */
.element {
background-color: #3B444B;
}
/* Text */
.element {
color: #3B444B;
}
/* Border */
.element {
border: 1px solid #3B444B;
}
/* Linear gradient to complementary */
.element {
background: linear-gradient(
to right,
#3B444B,
#5B493B
);
}
/* Radial gradient */
.element {
background: radial-gradient(
circle,
#3B444B,
#5B493B
);
}
// SCSS variable
$arsenic: #3B444B;
// With RGB channels (useful for rgba() usage)
$arsenic-r: 59;
$arsenic-g: 68;
$arsenic-b: 75;
// Usage
.element {
background-color: $arsenic;
color: rgba($arsenic-r, $arsenic-g, $arsenic-b, 0.8);
}
How Arsenic appears to people with different types of color vision deficiency.
#3B444B
How the color appears with full color vision.
#42424B
Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
#43434B
Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
#3A4545
Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
#434343
Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
How to use this color
- Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
- Use CMYK when preparing print assets (posters, packaging, brochures).
- Check contrast before using it for text or important UI elements.