#373664

Color #373664

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.38 Nearest Tailwind class blue-950 #162456 · ΔE 7

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Conversions

HEX

#373664

RGB

rgb(55, 54, 100)

HSL

hsl(241.3, 29.9%, 30.2%)

HSV / HSB

hsv(241.3, 46%, 39.2%)

CMYK

cmyk(45%, 46%, 0%, 60.8%)

LAB

lab(24.86, 13.62, -27.07)

LCH

lch(24.86, 30.3, 296.71)

OKLCH

oklch(35.8%, 0.0784, 282.67)

HWB

hwb(241.3, 21.2%, 60.8%)

Harmony colors

Complementary

#636436

Analogous

#364c64

#373664

#4e3664

Triadic

#373664

#643736

#366437

Split-complementary

#373664

#644e36

#4c6436

Tetradic

#373664

#643663

#636436

#366437

Square

#373664

#64364c

#636436

#36644e

Shades

Color #373664 mixed toward black.

#2e2d53

#252443

#1b1b32

#121221

#090911

Tints

Color #373664 mixed toward white.

#4c4b8b

#6665ac

#8d8bc1

#b3b2d5

#d9d8ea

Tones

Color #373664 mixed toward gray.

#3b3a60

#3e3e5c

#424159

#464555

#494951

Accessibility

Aa White text on this color

11.21:1

Aa Black text on this color

1.87:1

White text reads better on this background (11.21:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#37375b · ΔE 2.8

Deuteranopia

#373759 · ΔE 3.5

Tritanopia

#375452 · ΔE 24.9

Achromatopsia

#3b3b3b · ΔE 19

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

Code

CSS

background-color: #373664;

Tailwind (arbitrary value)

bg-[#373664]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#373664 (#373664) is rgb(55, 54, 100) in RGB.

No, #373664 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 #373664, or check how it holds up for accessibility.

Generate a palette → Check contrast