#1B1F3B · near Ink

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#1B1F3B (RGB 27, 31, 59) is a dark, muted blue, closest to Ink and near Space and Raisin. Blue suggests trust, stability and calm; it is the most used hue in corporate and tech branding, which makes #1B1F3B a natural choice for links, primary buttons, finance and technology. It appears in 3 ColorSwoop palettes. In OKLCH it has 25% lightness and 0.05 chroma at hue 276°.

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HEX#1B1F3B
RGBrgb(27, 31, 59)
HSLhsl(233, 37%, 17%)
CMYK54, 47, 0, 77
CSS var--ink
Contrast16.08:1 white · 1.31:1 black

Similar named colors

Ink #0B1E33Space #1D2951Raisin #242124Marine #04275CPrussian Blue #003153

How to use #1B1F3B

White text passes WCAG AA on #1B1F3B (16.08:1); black does not, so keep dark text off it.

For a calm scheme pair #1B1F3B with its analogous neighbors #1B2F3B and #281B3B; for contrast use its complement #3B381B as a small accent, and anchor everything with a neutral such as #F5F5F7.

--ink: #1B1F3B;

Color card

#1B1F3B hex color card: near Ink, RGB 27, 31, 59
Save or share #1B1F3B as an image — hex, RGB and HSL on the color itself.

Shades & tints

#05060C#0B0C18#101323#16192F#1B1F3B#494C62#767989#A4A5B1#D1D2D8

Color harmonies for #1B1F3B

Complementary

#1B1F3B#3B381B

Analogous

#1B1F3B#1B2F3B#281B3B

Triadic

#1B1F3B#3B1B1F#1F3B1B

Split complementary

#1B1F3B#3B281B#2F3B1B

Tetradic

#1B1F3B#3B1B2F#3B381B#1B3B28

Palettes with #1B1F3B