#3b437e

Color #3b437e

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.65 Nearest Tailwind class blue-900 #1c398e · ΔE 5.9

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

Conversions

HEX

#3b437e

RGB

rgb(59, 67, 126)

HSL

hsl(232.8, 36.2%, 36.3%)

HSV / HSB

hsv(232.8, 53.2%, 49.4%)

CMYK

cmyk(53.2%, 46.8%, 0%, 50.6%)

LAB

lab(30.52, 14.66, -34.57)

LCH

lch(30.52, 37.55, 292.98)

OKLCH

oklch(40.7%, 0.0986, 275.29)

HWB

hwb(232.8, 23.1%, 50.6%)

Harmony colors

Complementary

#7e763b

Analogous

#3b657e

#3b437e

#553b7e

Triadic

#3b437e

#7e3b43

#437e3b

Split-complementary

#3b437e

#7e553b

#657e3b

Tetradic

#3b437e

#763b7e

#7e763b

#437e3b

Square

#3b437e

#7e3b65

#7e763b

#3b7e55

Shades

Color #3b437e mixed toward black.

#313869

#272d54

#1e223f

#14162a

#0a0b15

Tints

Color #3b437e mixed toward white.

#4c57a3

#6c75ba

#9097cb

#b5badc

#dadcee

Tones

Color #3b437e mixed toward gray.

#414778

#464c73

#4c506d

#515468

#575862

Accessibility

Aa White text on this color

9.17:1

Aa Black text on this color

2.29:1

White text reads better on this background (9.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f73 · ΔE 3

Deuteranopia

#3e3e70 · ΔE 3.5

Tritanopia

#3b6967 · ΔE 26.8

Achromatopsia

#484848 · ΔE 21

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

Code

CSS

background-color: #3b437e;

Tailwind (arbitrary value)

bg-[#3b437e]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3b437e (#3b437e) is rgb(59, 67, 126) in RGB.

No, #3b437e 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 #3b437e, or check how it holds up for accessibility.

Generate a palette → Check contrast