#3b649b

Color #3b649b

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 13.11 Nearest Tailwind class sky-700 #0069a8 · ΔE 5.7

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

Conversions

HEX

#3b649b

RGB

rgb(59, 100, 155)

HSL

hsl(214.4, 44.9%, 42%)

HSV / HSB

hsv(214.4, 61.9%, 60.8%)

CMYK

cmyk(61.9%, 35.5%, 0%, 39.2%)

LAB

lab(41.86, 3.34, -34.25)

LCH

lch(41.86, 34.41, 275.57)

OKLCH

oklch(50%, 0.0999, 256.21)

HWB

hwb(214.4, 23.1%, 39.2%)

Harmony colors

Complementary

#9b723b

Analogous

#3b949b

#3b649b

#423b9b

Triadic

#3b649b

#9b3b64

#649b3b

Split-complementary

#3b649b

#9b423b

#949b3b

Tetradic

#3b649b

#723b9b

#9b723b

#649b3b

Square

#3b649b

#9b3b94

#9b723b

#3b9b42

Shades

Color #3b649b mixed toward black.

#315381

#274367

#1e324e

#142134

#0a111a

Tints

Color #3b649b mixed toward white.

#4c7cbb

#7096c9

#94b0d6

#b8cae4

#dbe5f1

Tones

Color #3b649b mixed toward gray.

#436593

#4b668b

#536883

#5b697b

#636a73

Accessibility

Aa White text on this color

6.03:1

Aa Black text on this color

3.48:1

White text reads better on this background (6.03:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#505090 · ΔE 10.6

Deuteranopia

#4d4a8d · ΔE 12.1

Tritanopia

#3e8784 · ΔE 25.2

Achromatopsia

#636363 · ΔE 19.4

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

Code

CSS

background-color: #3b649b;

Tailwind (arbitrary value)

bg-[#3b649b]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3b649b (#3b649b) is rgb(59, 100, 155) in RGB.

No, #3b649b 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 #3b649b, or check how it holds up for accessibility.

Generate a palette → Check contrast