#3b3c99

Color #3b3c99

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 9.46 Nearest Tailwind class blue-900 #1c398e · ΔE 4.5

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Conversions

HEX

#3b3c99

RGB

rgb(59, 60, 153)

HSL

hsl(239.4, 44.3%, 41.6%)

HSV / HSB

hsv(239.4, 61.4%, 60%)

CMYK

cmyk(61.4%, 60.8%, 0%, 40%)

LAB

lab(30.55, 28.67, -51.17)

LCH

lch(30.55, 58.65, 299.26)

OKLCH

oklch(41.3%, 0.1483, 277.24)

HWB

hwb(239.4, 23.1%, 40%)

Harmony colors

Complementary

#99983b

Analogous

#3b6b99

#3b3c99

#693b99

Triadic

#3b3c99

#993b3c

#3c993b

Split-complementary

#3b3c99

#99693b

#6b993b

Tetradic

#3b3c99

#983b99

#99983b

#3c993b

Square

#3b3c99

#993b6b

#99983b

#3b9969

Shades

Color #3b3c99 mixed toward black.

#313280

#272866

#1e1e4d

#141433

#0a0a1a

Tints

Color #3b3c99 mixed toward white.

#4c4dba

#7071c8

#9494d6

#b7b8e3

#dbdbf1

Tones

Color #3b3c99 mixed toward gray.

#434491

#4b4b89

#535382

#5a5b7a

#626272

Accessibility

Aa White text on this color

9.16:1

Aa Black text on this color

2.29:1

White text reads better on this background (9.16:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3b3b8a · ΔE 2.5

Deuteranopia

#3b3b86 · ΔE 3.2

Tritanopia

#3b7c78 · ΔE 34.1

Achromatopsia

#484848 · ΔE 25.5

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

Code

CSS

background-color: #3b3c99;

Tailwind (arbitrary value)

bg-[#3b3c99]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3b3c99 (#3b3c99) is rgb(59, 60, 153) in RGB.

No, #3b3c99 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 #3b3c99, or check how it holds up for accessibility.

Generate a palette → Check contrast