#3b487a

Color #3b487a

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.06 Nearest Tailwind class blue-900 #1c398e · ΔE 7.2

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

Conversions

HEX

#3b487a

RGB

rgb(59, 72, 122)

HSL

hsl(227.6, 34.8%, 35.5%)

HSV / HSB

hsv(227.6, 51.6%, 47.8%)

CMYK

cmyk(51.6%, 41%, 0%, 52.2%)

LAB

lab(31.74, 9.96, -30.14)

LCH

lch(31.74, 31.74, 288.29)

OKLCH

oklch(41.5%, 0.0852, 271.28)

HWB

hwb(227.6, 23.1%, 52.2%)

Harmony colors

Complementary

#7a6d3b

Analogous

#3b687a

#3b487a

#4e3b7a

Triadic

#3b487a

#7a3b48

#487a3b

Split-complementary

#3b487a

#7a4e3b

#687a3b

Tetradic

#3b487a

#6d3b7a

#7a6d3b

#487a3b

Square

#3b487a

#7a3b68

#7a6d3b

#3b7a4e

Shades

Color #3b487a mixed toward black.

#313c66

#273051

#1e243d

#141829

#0a0c14

Tints

Color #3b487a mixed toward white.

#4d5e9f

#6b7bb8

#909cc9

#b5bddb

#dadeed

Tones

Color #3b487a mixed toward gray.

#404b75

#464e70

#4b516a

#505465

#555760

Accessibility

Aa White text on this color

8.77:1

Aa Black text on this color

2.39:1

White text reads better on this background (8.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#414170 · ΔE 4.2

Deuteranopia

#403f6e · ΔE 4.7

Tritanopia

#3c6866 · ΔE 25.1

Achromatopsia

#4b4b4b · ΔE 19

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

Code

CSS

background-color: #3b487a;

Tailwind (arbitrary value)

bg-[#3b487a]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#3b487a (#3b487a) is rgb(59, 72, 122) in RGB.

No, #3b487a is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

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

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Contrast Checker

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

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Palette Generator

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

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Build something with this color

Generate a full palette from #3b487a, or check how it holds up for accessibility.

Generate a palette → Check contrast