#3B3F42 · Iron

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#3B3F42 is a dark, nearly neutral gray color, closest to Iron and near Charcoal and Onyx. In OKLCH it has 37% lightness and 0.01 chroma at hue 240°. Gray suggests neutrality and balance; it lets other colors lead, which makes #3B3F42 a natural choice for text, borders and interface chrome.

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HEX#3B3F42
RGBrgb(59, 63, 66)
HSLhsl(206, 6%, 25%)
CMYK11, 5, 0, 74
CSS var--iron
Contrast10.63:1 white · 1.98:1 black

Similar named colors

How to use #3B3F42

White text passes WCAG AA on #3B3F42 (10.63:1); black does not, so keep dark text off it.

For a calm scheme pair #3B3F42 with its analogous neighbors #3C4443 and #3C3C44; for contrast use its complement #443F3C as a small accent, and anchor everything with a neutral such as #F5F5F7.

--iron: #3B3F42;

Shades & tints

Color harmonies for #3B3F42

Complementary

Analogous

Triadic

Split complementary

Tetradic