#304040

Color #304040

A nearly neutral, gray-leaning dark cyan.

Closest named color Charcoal #36454f · ΔE 7.15 Nearest Tailwind class mist-700 #394447 · ΔE 3.7

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

Conversions

HEX

#304040

RGB

rgb(48, 64, 64)

HSL

hsl(180, 14.3%, 22%)

HSV / HSB

hsv(180, 25%, 25.1%)

CMYK

cmyk(25%, 0%, 0%, 74.9%)

LAB

lab(25.76, -6.4, -2.11)

LCH

lch(25.76, 6.74, 198.25)

OKLCH

oklch(35.8%, 0.0206, 196.33)

HWB

hwb(180, 18.8%, 74.9%)

Harmony colors

Complementary

#403030

Analogous

#304038

#304040

#303840

Triadic

#304040

#403040

#404030

Split-complementary

#304040

#403038

#403830

Tetradic

#304040

#303040

#403030

#404030

Square

#304040

#383040

#403030

#384030

Shades

Color #304040 mixed toward black.

#283535

#202b2b

#182020

#101515

#080b0b

Tints

Color #304040 mixed toward white.

#4c6666

#698c8c

#8daaaa

#b3c6c6

#d9e3e3

Tones

Color #304040 mixed toward gray.

#313f3f

#333d3d

#343c3c

#353b3b

#373939

Accessibility

Aa White text on this color

10.86:1

Aa Black text on this color

1.93:1

White text reads better on this background (10.86:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#383840 · ΔE 10.9

Deuteranopia

#373540 · ΔE 13.3

Tritanopia

#314040 · ΔE 0.4

Achromatopsia

#3d3d3d · ΔE 8

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

Code

CSS

background-color: #304040;

Tailwind (arbitrary value)

bg-[#304040]

Related colors

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Pale Turquoise #afeeee

Frequently asked questions

#304040 (#304040) is rgb(48, 64, 64) in RGB.

No, #304040 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 #304040, or check how it holds up for accessibility.

Generate a palette → Check contrast