#424e63

Color #424e63

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 8.45 Nearest Tailwind class slate-600 #45556c · ΔE 2.7

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Conversions

HEX

#424e63

RGB

rgb(66, 78, 99)

HSL

hsl(218.2, 20%, 32.4%)

HSV / HSB

hsv(218.2, 33.3%, 38.8%)

CMYK

cmyk(33.3%, 21.2%, 0%, 61.2%)

LAB

lab(32.94, 0.85, -13.78)

LCH

lch(32.94, 13.81, 273.53)

OKLCH

oklch(42.2%, 0.0384, 261.47)

HWB

hwb(218.2, 25.9%, 61.2%)

Harmony colors

Complementary

#635742

Analogous

#425f63

#424e63

#474263

Triadic

#424e63

#63424e

#4e6342

Split-complementary

#424e63

#634742

#5f6342

Tetradic

#424e63

#574263

#635742

#4e6342

Square

#424e63

#63425f

#635742

#426347

Shades

Color #424e63 mixed toward black.

#374153

#2c3442

#212732

#161a21

#0b0d11

Tints

Color #424e63 mixed toward white.

#596986

#7586a3

#98a4ba

#bac2d1

#dde1e8

Tones

Color #424e63 mixed toward gray.

#454f60

#48505e

#4a505b

#4d5158

#505255

Accessibility

Aa White text on this color

8.39:1

Aa Black text on this color

2.5:1

White text reads better on this background (8.39:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#47485e · ΔE 5.6

Deuteranopia

#47465d · ΔE 6.8

Tritanopia

#435b5a · ΔE 14.4

Achromatopsia

#4d4d4d · ΔE 10.6

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

Code

CSS

background-color: #424e63;

Tailwind (arbitrary value)

bg-[#424e63]

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

#424e63 (#424e63) is rgb(66, 78, 99) in RGB.

No, #424e63 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 #424e63, or check how it holds up for accessibility.

Generate a palette → Check contrast