#374f8d

Color #374f8d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.21 Nearest Tailwind class blue-900 #1c398e · ΔE 7.2

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

Conversions

HEX

#374f8d

RGB

rgb(55, 79, 141)

HSL

hsl(223.3, 43.9%, 38.4%)

HSV / HSB

hsv(223.3, 61%, 55.3%)

CMYK

cmyk(61%, 44%, 0%, 44.7%)

LAB

lab(34.65, 11.05, -37.25)

LCH

lch(34.65, 38.85, 286.52)

OKLCH

oklch(44.1%, 0.1063, 266.23)

HWB

hwb(223.3, 21.6%, 44.7%)

Harmony colors

Complementary

#8d7537

Analogous

#377a8d

#374f8d

#4a378d

Triadic

#374f8d

#8d374f

#4f8d37

Split-complementary

#374f8d

#8d4a37

#7a8d37

Tetradic

#374f8d

#75378d

#8d7537

#4f8d37

Square

#374f8d

#8d377a

#8d7537

#378d4a

Shades

Color #374f8d mixed toward black.

#2e4275

#25355e

#1b2746

#121a2f

#090d17

Tints

Color #374f8d mixed toward white.

#4664b3

#6882c4

#8ea1d3

#b4c0e2

#d9e0f0

Tones

Color #374f8d mixed toward gray.

#3e5286

#45557f

#4c5877

#545c70

#5b5f69

Accessibility

Aa White text on this color

7.88:1

Aa Black text on this color

2.67:1

White text reads better on this background (7.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#434381 · ΔE 6.3

Deuteranopia

#413f7e · ΔE 7.3

Tritanopia

#387775 · ΔE 27.3

Achromatopsia

#515151 · ΔE 21

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

Code

CSS

background-color: #374f8d;

Tailwind (arbitrary value)

bg-[#374f8d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#374f8d (#374f8d) is rgb(55, 79, 141) in RGB.

No, #374f8d 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 #374f8d, or check how it holds up for accessibility.

Generate a palette → Check contrast