#3f449b

Color #3f449b

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 6.72 Nearest Tailwind class blue-900 #1c398e · ΔE 5.3

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Conversions

HEX

#3f449b

RGB

rgb(63, 68, 155)

HSL

hsl(236.7, 42.2%, 42.7%)

HSV / HSB

hsv(236.7, 59.4%, 60.8%)

CMYK

cmyk(59.4%, 56.1%, 0%, 39.2%)

LAB

lab(33.04, 24.9, -48.32)

LCH

lch(33.04, 54.36, 297.26)

OKLCH

oklch(43.3%, 0.1395, 276.38)

HWB

hwb(236.7, 24.7%, 39.2%)

Harmony colors

Complementary

#9b963f

Analogous

#3f729b

#3f449b

#683f9b

Triadic

#3f449b

#9b3f44

#449b3f

Split-complementary

#3f449b

#9b683f

#729b3f

Tetradic

#3f449b

#963f9b

#9b963f

#449b3f

Square

#3f449b

#9b3f72

#9b963f

#3f9b68

Shades

Color #3f449b mixed toward black.

#343981

#2a2d67

#1f224d

#151734

#0a0b1a

Tints

Color #3f449b mixed toward white.

#5258b9

#7479c7

#979bd5

#babce3

#dcdef1

Tones

Color #3f449b mixed toward gray.

#474b93

#4e528c

#565884

#5e5f7c

#656675

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

#41418c · ΔE 2.7

Deuteranopia

#414188 · ΔE 3.4

Tritanopia

#3f7f7b · ΔE 33

Achromatopsia

#4e4e4e · ΔE 24.7

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

Code

CSS

background-color: #3f449b;

Tailwind (arbitrary value)

bg-[#3f449b]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3f449b (#3f449b) is rgb(63, 68, 155) in RGB.

No, #3f449b 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.

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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 #3f449b, or check how it holds up for accessibility.

Generate a palette → Check contrast