#4040b0

Color #4040b0

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 11.82 Nearest Tailwind class blue-800 #193cb8 · ΔE 3.7

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

Conversions

HEX

#4040b0

RGB

rgb(64, 64, 176)

HSL

hsl(240, 46.7%, 47.1%)

HSV / HSB

hsv(240, 63.6%, 69%)

CMYK

cmyk(63.6%, 63.6%, 0%, 31%)

LAB

lab(33.75, 34.85, -59.77)

LCH

lch(33.75, 69.19, 300.25)

OKLCH

oklch(44.3%, 0.1734, 276.66)

HWB

hwb(240, 25.1%, 31%)

Harmony colors

Complementary

#b0b040

Analogous

#4078b0

#4040b0

#7840b0

Triadic

#4040b0

#b04040

#40b040

Split-complementary

#4040b0

#b07840

#78b040

Tetradic

#4040b0

#b040b0

#b0b040

#40b040

Square

#4040b0

#b04078

#b0b040

#40b078

Shades

Color #4040b0 mixed toward black.

#353593

#2b2b75

#202058

#15153b

#0b0b1d

Tints

Color #4040b0 mixed toward white.

#5a5ac3

#7b7bcf

#9c9cdb

#bdbde7

#dedef3

Tones

Color #4040b0 mixed toward gray.

#4949a7

#53539d

#5c5c94

#65658b

#6f6f81

Accessibility

Aa White text on this color

8.14:1

Aa Black text on this color

2.58:1

White text reads better on this background (8.14:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#40409e · ΔE 2.7

Deuteranopia

#404099 · ΔE 3.6

Tritanopia

#408d8a · ΔE 37.3

Achromatopsia

#4f4f4f · ΔE 27.1

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

Code

CSS

background-color: #4040b0;

Tailwind (arbitrary value)

bg-[#4040b0]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#4040b0 (#4040b0) is rgb(64, 64, 176) in RGB.

No, #4040b0 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 #4040b0, or check how it holds up for accessibility.

Generate a palette → Check contrast