#42434f

Color #42434f

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 5.76 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.9

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

Conversions

HEX

#42434f

RGB

rgb(66, 67, 79)

HSL

hsl(235.4, 9%, 28.4%)

HSV / HSB

hsv(235.4, 16.5%, 31%)

CMYK

cmyk(16.5%, 15.2%, 0%, 69%)

LAB

lab(28.74, 2.47, -7.34)

LCH

lch(28.74, 7.74, 288.6)

OKLCH

oklch(38.7%, 0.0203, 281.64)

HWB

hwb(235.4, 25.9%, 69%)

Harmony colors

Complementary

#4f4e42

Analogous

#42494f

#42434f

#47424f

Triadic

#42434f

#4f4243

#434f42

Split-complementary

#42434f

#4f4742

#494f42

Tetradic

#42434f

#4e424f

#4f4e42

#434f42

Square

#42434f

#4f4249

#4f4e42

#424f47

Shades

Color #42434f mixed toward black.

#373842

#2c2d35

#212127

#16161a

#0b0b0d

Tints

Color #42434f mixed toward white.

#5e5f70

#7a7c90

#9b9dac

#bdbec8

#dedee3

Tones

Color #42434f mixed toward gray.

#43444e

#44454d

#45464c

#46474b

#47484a

Accessibility

Aa White text on this color

9.78:1

Aa Black text on this color

2.15:1

White text reads better on this background (9.78:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#42424c · ΔE 1.1

Deuteranopia

#42424c · ΔE 1.1

Tritanopia

#424a4a · ΔE 9.3

Achromatopsia

#444444 · ΔE 6.9

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

Code

CSS

background-color: #42434f;

Tailwind (arbitrary value)

bg-[#42434f]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#42434f (#42434f) is rgb(66, 67, 79) in RGB.

No, #42434f 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.

Try it → Generators

Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

Try it →

Build something with this color

Generate a full palette from #42434f, or check how it holds up for accessibility.

Generate a palette → Check contrast