#424b71

Color #424b71

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 18.71 Nearest Tailwind class slate-600 #45556c · ΔE 7.1

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Conversions

HEX

#424b71

RGB

rgb(66, 75, 113)

HSL

hsl(228.5, 26.3%, 35.1%)

HSV / HSB

hsv(228.5, 41.6%, 44.3%)

CMYK

cmyk(41.6%, 33.6%, 0%, 55.7%)

LAB

lab(32.66, 7, -23.02)

LCH

lch(32.66, 24.06, 286.91)

OKLCH

oklch(42.2%, 0.0645, 273.2)

HWB

hwb(228.5, 25.9%, 55.7%)

Harmony colors

Complementary

#716842

Analogous

#426371

#424b71

#504271

Triadic

#424b71

#71424b

#4b7142

Split-complementary

#424b71

#715042

#637142

Tetradic

#424b71

#684271

#716842

#4b7142

Square

#424b71

#714263

#716842

#427150

Shades

Color #424b71 mixed toward black.

#373e5e

#2c324b

#212539

#161926

#0b0c13

Tints

Color #424b71 mixed toward white.

#566294

#747fae

#969fc2

#b9bfd6

#dcdfeb

Tones

Color #424b71 mixed toward gray.

#464d6d

#4a5069

#4e5265

#525561

#56575d

Accessibility

Aa White text on this color

8.48:1

Aa Black text on this color

2.48:1

White text reads better on this background (8.48:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#464669 · ΔE 3.5

Deuteranopia

#464567 · ΔE 4

Tritanopia

#426361 · ΔE 22.4

Achromatopsia

#4d4d4d · ΔE 16.1

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

Code

CSS

background-color: #424b71;

Tailwind (arbitrary value)

bg-[#424b71]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#424b71 (#424b71) is rgb(66, 75, 113) in RGB.

No, #424b71 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 #424b71, or check how it holds up for accessibility.

Generate a palette → Check contrast