#42454e

Color #42454e

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 4.78 Nearest Tailwind class zinc-700 #3f3f46 · ΔE 2.5

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

Conversions

HEX

#42454e

RGB

rgb(66, 69, 78)

HSL

hsl(225, 8.3%, 28.2%)

HSV / HSB

hsv(225, 15.4%, 30.6%)

CMYK

cmyk(15.4%, 11.5%, 0%, 69.4%)

LAB

lab(29.32, 0.92, -5.81)

LCH

lch(29.32, 5.88, 279)

OKLCH

oklch(39.1%, 0.0157, 271.09)

HWB

hwb(225, 25.9%, 69.4%)

Harmony colors

Complementary

#4e4b42

Analogous

#424b4e

#42454e

#45424e

Triadic

#42454e

#4e4245

#454e42

Split-complementary

#42454e

#4e4542

#4b4e42

Tetradic

#42454e

#4b424e

#4e4b42

#454e42

Square

#42454e

#4e424b

#4e4b42

#424e45

Shades

Color #42454e mixed toward black.

#373941

#2c2e34

#212227

#16171a

#0b0b0d

Tints

Color #42454e mixed toward white.

#5e626f

#7b808f

#9ca0ab

#bdbfc7

#dedfe3

Tones

Color #42454e mixed toward gray.

#43454d

#44464c

#45464b

#46474a

#474749

Accessibility

Aa White text on this color

9.58:1

Aa Black text on this color

2.19:1

White text reads better on this background (9.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#43434c · ΔE 1.8

Deuteranopia

#43434b · ΔE 1.7

Tritanopia

#424a4a · ΔE 7

Achromatopsia

#454545 · ΔE 5.3

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

Code

CSS

background-color: #42454e;

Tailwind (arbitrary value)

bg-[#42454e]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#42454e (#42454e) is rgb(66, 69, 78) in RGB.

No, #42454e 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 #42454e, or check how it holds up for accessibility.

Generate a palette → Check contrast