#303239

Color #303239

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 9.2 Nearest Tailwind class zinc-800 #27272a · ΔE 4.2

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

Conversions

HEX

#303239

RGB

rgb(48, 50, 57)

HSL

hsl(226.7, 8.6%, 20.6%)

HSV / HSB

hsv(226.7, 15.8%, 22.4%)

CMYK

cmyk(15.8%, 12.3%, 0%, 77.6%)

LAB

lab(20.85, 0.89, -4.71)

LCH

lch(20.85, 4.79, 280.7)

OKLCH

oklch(31.8%, 0.0127, 273.15)

HWB

hwb(226.7, 18.8%, 77.6%)

Harmony colors

Complementary

#393730

Analogous

#303739

#303239

#333039

Triadic

#303239

#393032

#323930

Split-complementary

#303239

#393330

#373930

Tetradic

#303239

#373039

#393730

#323930

Square

#303239

#393037

#393730

#303933

Shades

Color #303239 mixed toward black.

#282a30

#202126

#18191d

#101113

#08080a

Tints

Color #303239 mixed toward white.

#4f525e

#6e7282

#9195a2

#b6b8c1

#dadce0

Tones

Color #303239 mixed toward gray.

#313238

#323338

#323337

#333436

#343435

Accessibility

Aa White text on this color

12.8:1

Aa Black text on this color

1.64:1

White text reads better on this background (12.8:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313137 · ΔE 1.2

Deuteranopia

#313137 · ΔE 1.2

Tritanopia

#303636 · ΔE 5.9

Achromatopsia

#323232 · ΔE 4.4

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

Code

CSS

background-color: #303239;

Tailwind (arbitrary value)

bg-[#303239]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#303239 (#303239) is rgb(48, 50, 57) in RGB.

No, #303239 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 #303239, or check how it holds up for accessibility.

Generate a palette → Check contrast