Dark Slate Blue
A moderately saturated, cool dark blue.
#3E2F9C
rgb(62, 47, 156)
Color formats
HEX
#3E2F9C
RGB
rgb(62, 47, 156)
HSL
hsl(248.3, 53.7%, 39.8%)
HSV
hsv(248.3, 69.9%, 61.2%)
CMYK
cmyk(60.3%, 69.9%, 0%, 38.8%)
Color shades
Lighter tints and darker shades of Dark Slate Blue.
Lightest
#B7B0E7
Lighter
#7161D0
Base
#3E2F9C
Darker
#1F174E
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Dark Slate Blue works
Dark Slate Blue (#3E2F9C) is a moderately saturated, cool dark blue. Its mid-range lightness makes it a flexible choice for buttons, fills and accents that need to read clearly without overpowering a layout. Its cool undertone lends a calm, trustworthy feel that suits clean, professional interfaces.
Observe the spectrum
More colors related to Dark Slate Blue — or browse all blues.
Color tools
Color Format Converter
Convert any color between HEX, RGB, HSL, HSV, CMYK and OKLCH instantly — and copy ready-to-paste CSS, SCSS or Tailwind.
Color Picker
Pick any color visually and copy accurate HEX, RGB, HSL and CMYK codes — no signup.
Palette Generator
Generate harmonious color palettes from any base color — complementary, analogous, triadic and more, with instant CSS export.
Contrast Checker
Test color contrast against WCAG 2.1 AA/AAA — live pass/fail, font-size rules, and a real component preview.
Shade & Tint Generator
Generate 10–12 step tints and shades from any color — perfect 50–950 UI ramps with CSS and Tailwind export.
Complementary Color Finder
Find the perfect complementary (180° opposite) color for any shade, with HEX/RGB/HSL and contrast info.