#374b6e

Color #374b6e

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 16.25 Nearest Tailwind class slate-700 #314158 · ΔE 5.1

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Conversions

HEX

#374b6e

RGB

rgb(55, 75, 110)

HSL

hsl(218.2, 33.3%, 32.4%)

HSV / HSB

hsv(218.2, 50%, 43.1%)

CMYK

cmyk(50%, 31.8%, 0%, 56.9%)

LAB

lab(31.74, 2.87, -22.64)

LCH

lch(31.74, 22.82, 277.22)

OKLCH

oklch(41.2%, 0.0643, 261.23)

HWB

hwb(218.2, 21.6%, 56.9%)

Harmony colors

Complementary

#6e5a37

Analogous

#37676e

#374b6e

#3f376e

Triadic

#374b6e

#6e374b

#4b6e37

Split-complementary

#374b6e

#6e3f37

#676e37

Tetradic

#374b6e

#5a376e

#6e5a37

#4b6e37

Square

#374b6e

#6e3767

#6e5a37

#376e3f

Shades

Color #374b6e mixed toward black.

#2e3f5c

#253249

#1c2637

#121925

#090d12

Tints

Color #374b6e mixed toward white.

#4a6594

#6682b2

#8ca1c6

#b2c0d9

#d9e0ec

Tones

Color #374b6e mixed toward gray.

#3c4c6a

#404e65

#454f60

#49505c

#4e5157

Accessibility

Aa White text on this color

8.77:1

Aa Black text on this color

2.39:1

White text reads better on this background (8.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#414167 · ΔE 7.2

Deuteranopia

#3f3e65 · ΔE 7.8

Tritanopia

#38615f · ΔE 20.7

Achromatopsia

#4b4b4b · ΔE 15.2

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

Code

CSS

background-color: #374b6e;

Tailwind (arbitrary value)

bg-[#374b6e]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#374b6e (#374b6e) is rgb(55, 75, 110) in RGB.

No, #374b6e 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 #374b6e, or check how it holds up for accessibility.

Generate a palette → Check contrast