#3b5a8c

Color #3b5a8c

A moderately saturated dark blue.

Closest named color Steel Blue #4682b4 · ΔE 16.74 Nearest Tailwind class sky-800 #00598a · ΔE 7

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Conversions

HEX

#3b5a8c

RGB

rgb(59, 90, 140)

HSL

hsl(217, 40.7%, 39%)

HSV / HSB

hsv(217, 57.9%, 54.9%)

CMYK

cmyk(57.9%, 35.7%, 0%, 45.1%)

LAB

lab(38.08, 4.42, -31.19)

LCH

lch(38.08, 31.5, 278.07)

OKLCH

oklch(46.7%, 0.0896, 259.58)

HWB

hwb(217, 23.1%, 45.1%)

Harmony colors

Complementary

#8c6d3b

Analogous

#3b828c

#3b5a8c

#443b8c

Triadic

#3b5a8c

#8c3b5a

#5a8c3b

Split-complementary

#3b5a8c

#8c443b

#828c3b

Tetradic

#3b5a8c

#6d3b8c

#8c6d3b

#5a8c3b

Square

#3b5a8c

#8c3b82

#8c6d3b

#3b8c44

Shades

Color #3b5a8c mixed toward black.

#314b75

#273c5d

#1d2d46

#141e2f

#0a0f17

Tints

Color #3b5a8c mixed toward white.

#4a71b0

#6d8dc2

#92aad1

#b6c6e0

#dbe3f0

Tones

Color #3b5a8c mixed toward gray.

#425c85

#485d7e

#4f5f78

#566071

#5d626a

Accessibility

Aa White text on this color

6.94:1

Aa Black text on this color

3.03:1

White text reads better on this background (6.94:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4a4b82 · ΔE 8.4

Deuteranopia

#484680 · ΔE 9.6

Tritanopia

#3d7a78 · ΔE 24.1

Achromatopsia

#5a5a5a · ΔE 18.5

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

Code

CSS

background-color: #3b5a8c;

Tailwind (arbitrary value)

bg-[#3b5a8c]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#3b5a8c (#3b5a8c) is rgb(59, 90, 140) in RGB.

No, #3b5a8c 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 #3b5a8c, or check how it holds up for accessibility.

Generate a palette → Check contrast