#40556b

Color #40556b

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 10.11 Nearest Tailwind class slate-600 #45556c · ΔE 2.2

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

Conversions

HEX

#40556b

RGB

rgb(64, 85, 107)

HSL

hsl(210.7, 25.1%, 33.5%)

HSV / HSB

hsv(210.7, 40.2%, 42%)

CMYK

cmyk(40.2%, 20.6%, 0%, 58%)

LAB

lab(35.3, -1.84, -15.2)

LCH

lch(35.3, 15.31, 263.1)

OKLCH

oklch(44.1%, 0.0447, 249.98)

HWB

hwb(210.7, 25.1%, 58%)

Harmony colors

Complementary

#6b5640

Analogous

#406a6b

#40556b

#40406b

Triadic

#40556b

#6b4055

#556b40

Split-complementary

#40556b

#6b4040

#6a6b40

Tetradic

#40556b

#56406b

#6b5640

#556b40

Square

#40556b

#6b406a

#6b5640

#406b40

Shades

Color #40556b mixed toward black.

#354759

#2b3947

#202a35

#151c24

#0b0e12

Tints

Color #40556b mixed toward white.

#55718e

#728daa

#95aabf

#b8c6d5

#dce3ea

Tones

Color #40556b mixed toward gray.

#445567

#475564

#4b5560

#4e555d

#525559

Accessibility

Aa White text on this color

7.69:1

Aa Black text on this color

2.73:1

White text reads better on this background (7.69:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4a4a66 · ΔE 10.5

Deuteranopia

#494765 · ΔE 11.7

Tritanopia

#416261 · ΔE 14.2

Achromatopsia

#535353 · ΔE 11.5

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

Code

CSS

background-color: #40556b;

Tailwind (arbitrary value)

bg-[#40556b]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Light Steel Blue #b0c4de

Steel Blue #4682b4

Frequently asked questions

#40556b (#40556b) is rgb(64, 85, 107) in RGB.

No, #40556b 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 #40556b, or check how it holds up for accessibility.

Generate a palette → Check contrast