#3f5a8e

Color #3f5a8e

A muted medium blue.

Closest named color Steel Blue #4682b4 · ΔE 17.32 Nearest Tailwind class slate-600 #45556c · ΔE 7.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#3f5a8e

RGB

rgb(63, 90, 142)

HSL

hsl(219.5, 38.5%, 40.2%)

HSV / HSB

hsv(219.5, 55.6%, 55.7%)

CMYK

cmyk(55.6%, 36.6%, 0%, 44.3%)

LAB

lab(38.41, 6.03, -31.87)

LCH

lch(38.41, 32.44, 280.71)

OKLCH

oklch(47.1%, 0.0908, 262.59)

HWB

hwb(219.5, 24.7%, 44.3%)

Harmony colors

Complementary

#8e733f

Analogous

#3f818e

#3f5a8e

#4c3f8e

Triadic

#3f5a8e

#8e3f5a

#5a8e3f

Split-complementary

#3f5a8e

#8e4c3f

#818e3f

Tetradic

#3f5a8e

#733f8e

#8e733f

#5a8e3f

Square

#3f5a8e

#8e3f81

#8e733f

#3f8e4c

Shades

Color #3f5a8e mixed toward black.

#354b76

#2a3c5f

#202d47

#151e2f

#0b0f18

Tints

Color #3f5a8e mixed toward white.

#4f70b1

#728dc0

#95a9d0

#b9c6e0

#dce2ef

Tones

Color #3f5a8e mixed toward gray.

#465c87

#4c5e81

#53607a

#596274

#60646d

Accessibility

Aa White text on this color

6.85:1

Aa Black text on this color

3.06:1

White text reads better on this background (6.85:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4c4c84 · ΔE 7.6

Deuteranopia

#4a4881 · ΔE 8.6

Tritanopia

#417b79 · ΔE 24.7

Achromatopsia

#5a5a5a · ΔE 18.9

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #3f5a8e;

Tailwind (arbitrary value)

bg-[#3f5a8e]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#3f5a8e (#3f5a8e) is rgb(63, 90, 142) in RGB.

No, #3f5a8e is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #3f5a8e, or check how it holds up for accessibility.

Generate a palette → Check contrast