#383a42

Color #383a42

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 6.45 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.1

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

Conversions

HEX

#383a42

RGB

rgb(56, 58, 66)

HSL

hsl(228, 8.2%, 23.9%)

HSV / HSB

hsv(228, 15.2%, 25.9%)

CMYK

cmyk(15.2%, 12.1%, 0%, 74.1%)

LAB

lab(24.51, 1.11, -5.22)

LCH

lch(24.51, 5.34, 282)

OKLCH

oklch(35%, 0.0141, 274.46)

HWB

hwb(228, 22%, 74.1%)

Harmony colors

Complementary

#424038

Analogous

#383f42

#383a42

#3b3842

Triadic

#383a42

#42383a

#3a4238

Split-complementary

#383a42

#423b38

#3f4238

Tetradic

#383a42

#403842

#424038

#3a4238

Square

#383a42

#42383f

#424038

#38423b

Shades

Color #383a42 mixed toward black.

#2f3037

#25272c

#1c1d21

#131316

#090a0b

Tints

Color #383a42 mixed toward white.

#565965

#737788

#9699a6

#b9bbc4

#dcdde1

Tones

Color #383a42 mixed toward gray.

#393a41

#3a3b40

#3a3b3f

#3b3c3f

#3c3c3e

Accessibility

Aa White text on this color

11.34:1

Aa Black text on this color

1.85:1

White text reads better on this background (11.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#393940 · ΔE 1.2

Deuteranopia

#393940 · ΔE 1.2

Tritanopia

#383f3e · ΔE 7.2

Achromatopsia

#3a3a3a · ΔE 4.9

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

Code

CSS

background-color: #383a42;

Tailwind (arbitrary value)

bg-[#383a42]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#383a42 (#383a42) is rgb(56, 58, 66) in RGB.

No, #383a42 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.

Try it → Accessibility

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 #383a42, or check how it holds up for accessibility.

Generate a palette → Check contrast