#3f336a

Color #3f336a

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 14.36 Nearest Tailwind class indigo-900 #312c85 · ΔE 7.3

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Conversions

HEX

#3f336a

RGB

rgb(63, 51, 106)

HSL

hsl(253.1, 35%, 30.8%)

HSV / HSB

hsv(253.1, 51.9%, 41.6%)

CMYK

cmyk(40.6%, 51.9%, 0%, 58.4%)

LAB

lab(25.15, 19.86, -30.44)

LCH

lch(25.15, 36.35, 303.12)

OKLCH

oklch(36.3%, 0.0923, 291.14)

HWB

hwb(253.1, 20%, 58.4%)

Harmony colors

Complementary

#5e6a33

Analogous

#33436a

#3f336a

#5b336a

Triadic

#3f336a

#6a3f33

#336a3f

Split-complementary

#3f336a

#6a5b33

#436a33

Tetradic

#3f336a

#6a335e

#5e6a33

#336a3f

Square

#3f336a

#6a3343

#5e6a33

#336a5b

Shades

Color #3f336a mixed toward black.

#352b58

#2a2247

#201a35

#151123

#0b0912

Tints

Color #3f336a mixed toward white.

#574692

#7260b3

#9588c6

#b9b0d9

#dcd7ec

Tones

Color #3f336a mixed toward gray.

#423865

#443c61

#47415c

#494558

#4c4a53

Accessibility

Aa White text on this color

11.09:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3a60 · ΔE 5.1

Deuteranopia

#3b3c5e · ΔE 6.4

Tritanopia

#3e5755 · ΔE 25.5

Achromatopsia

#3c3c3c · ΔE 21.2

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

Code

CSS

background-color: #3f336a;

Tailwind (arbitrary value)

bg-[#3f336a]

Related colors

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Medium Purple #9370db

Navy #000080

Lavender #e6e6fa

Frequently asked questions

#3f336a (#3f336a) is rgb(63, 51, 106) in RGB.

No, #3f336a 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 #3f336a, or check how it holds up for accessibility.

Generate a palette → Check contrast