#303f39

Color #303f39

A nearly neutral, gray-leaning dark green.

Closest named color Dark Slate Gray #2f4f4f · ΔE 9.12 Nearest Tailwind class mist-700 #394447 · ΔE 6.6

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

Conversions

HEX

#303f39

RGB

rgb(48, 63, 57)

HSL

hsl(156, 13.5%, 21.8%)

HSV / HSB

hsv(156, 23.8%, 24.7%)

CMYK

cmyk(23.8%, 0%, 9.5%, 75.3%)

LAB

lab(25.19, -7.58, 1.68)

LCH

lch(25.19, 7.76, 167.5)

OKLCH

oklch(35.2%, 0.0221, 168.79)

HWB

hwb(156, 18.8%, 75.3%)

Harmony colors

Complementary

#3f3036

Analogous

#303f32

#303f39

#303e3f

Triadic

#303f39

#39303f

#3f3930

Split-complementary

#303f39

#3f303e

#3f3230

Tetradic

#303f39

#30363f

#3f3036

#3f3930

Square

#303f39

#32303f

#3f3036

#3e3f30

Shades

Color #303f39 mixed toward black.

#283530

#202a26

#18201d

#101513

#080b0a

Tints

Color #303f39 mixed toward white.

#4d655b

#6a8b7d

#8ea99e

#b4c6be

#d9e2df

Tones

Color #303f39 mixed toward gray.

#313e39

#333d39

#343b38

#353a38

#363938

Accessibility

Aa White text on this color

11.08:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.08:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#37373b · ΔE 11.1

Deuteranopia

#36353b · ΔE 12.6

Tritanopia

#313c3c · ΔE 4.3

Achromatopsia

#3c3c3c · ΔE 9.1

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

Code

CSS

background-color: #303f39;

Tailwind (arbitrary value)

bg-[#303f39]

Related colors

Medium Spring Green #00fa9a

Medium Aquamarine #66cdaa

Aquamarine #7fffd4

Mint Cream #f5fffa

Spring Green #00ff7f

Medium Sea Green #3cb371

Frequently asked questions

#303f39 (#303f39) is rgb(48, 63, 57) in RGB.

No, #303f39 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 #303f39, or check how it holds up for accessibility.

Generate a palette → Check contrast