#3a4d78

Color #3a4d78

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 21.4 Nearest Tailwind class slate-600 #45556c · ΔE 6.4

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Conversions

HEX

#3a4d78

RGB

rgb(58, 77, 120)

HSL

hsl(221.6, 34.8%, 34.9%)

HSV / HSB

hsv(221.6, 51.7%, 47.1%)

CMYK

cmyk(51.7%, 35.8%, 0%, 52.9%)

LAB

lab(33.06, 5.72, -26.82)

LCH

lch(33.06, 27.42, 282.04)

OKLCH

oklch(42.5%, 0.0758, 265.23)

HWB

hwb(221.6, 22.7%, 52.9%)

Harmony colors

Complementary

#78653a

Analogous

#3a6c78

#3a4d78

#463a78

Triadic

#3a4d78

#783a4d

#4d783a

Split-complementary

#3a4d78

#78463a

#6c783a

Tetradic

#3a4d78

#653a78

#78653a

#4d783a

Square

#3a4d78

#783a6c

#78653a

#3a7846

Shades

Color #3a4d78 mixed toward black.

#304064

#273350

#1d273c

#131a28

#0a0d14

Tints

Color #3a4d78 mixed toward white.

#4c659d

#6a81b7

#8fa1c9

#b4c0db

#dae0ed

Tones

Color #3a4d78 mixed toward gray.

#3f4f73

#44516e

#4a5368

#4f5563

#54575e

Accessibility

Aa White text on this color

8.36:1

Aa Black text on this color

2.51:1

White text reads better on this background (8.36:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#43436f · ΔE 6.1

Deuteranopia

#42406d · ΔE 6.9

Tritanopia

#3b6866 · ΔE 23.1

Achromatopsia

#4e4e4e · ΔE 17.2

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

Code

CSS

background-color: #3a4d78;

Tailwind (arbitrary value)

bg-[#3a4d78]

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

#3a4d78 (#3a4d78) is rgb(58, 77, 120) in RGB.

No, #3a4d78 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 #3a4d78, or check how it holds up for accessibility.

Generate a palette → Check contrast