#403f53

Color #403f53

A nearly neutral, gray-leaning dark blue.

Closest named color Charcoal #36454f · ΔE 9.52 Nearest Tailwind class mauve-700 #463947 · ΔE 6.1

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

Conversions

HEX

#403f53

RGB

rgb(64, 63, 83)

HSL

hsl(243, 13.7%, 28.6%)

HSV / HSB

hsv(243, 24.1%, 32.5%)

CMYK

cmyk(22.9%, 24.1%, 0%, 67.5%)

LAB

lab(27.49, 5.39, -11.85)

LCH

lch(27.49, 13.02, 294.46)

OKLCH

oklch(37.7%, 0.034, 286.94)

HWB

hwb(243, 24.7%, 67.5%)

Harmony colors

Complementary

#52533f

Analogous

#3f4853

#403f53

#4a3f53

Triadic

#403f53

#53403f

#3f5340

Split-complementary

#403f53

#534a3f

#48533f

Tetradic

#403f53

#533f52

#52533f

#3f5340

Square

#403f53

#533f48

#52533f

#3f534a

Shades

Color #403f53 mixed toward black.

#353445

#2b2a37

#201f29

#15151c

#0b0a0e

Tints

Color #403f53 mixed toward white.

#5b5975

#777596

#9997b0

#bbbacb

#dddce5

Tones

Color #403f53 mixed toward gray.

#414151

#434250

#44444e

#46464c

#47474b

Accessibility

Aa White text on this color

10.22:1

Aa Black text on this color

2.05:1

White text reads better on this background (10.22:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#40404f · ΔE 2.5

Deuteranopia

#40404e · ΔE 2.9

Tritanopia

#404b4a · ΔE 14.8

Achromatopsia

#414141 · ΔE 10.8

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

Code

CSS

background-color: #403f53;

Tailwind (arbitrary value)

bg-[#403f53]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#403f53 (#403f53) is rgb(64, 63, 83) in RGB.

No, #403f53 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 #403f53, or check how it holds up for accessibility.

Generate a palette → Check contrast