#3f4058

Color #3f4058

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 11.11 Nearest Tailwind class gray-700 #364153 · ΔE 6.3

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

Conversions

HEX

#3f4058

RGB

rgb(63, 64, 88)

HSL

hsl(237.6, 16.6%, 29.6%)

HSV / HSB

hsv(237.6, 28.4%, 34.5%)

CMYK

cmyk(28.4%, 27.3%, 0%, 65.5%)

LAB

lab(27.92, 5.76, -14.45)

LCH

lch(27.92, 15.56, 291.73)

OKLCH

oklch(38.1%, 0.0408, 282.47)

HWB

hwb(237.6, 24.7%, 65.5%)

Harmony colors

Complementary

#58573f

Analogous

#3f4c58

#3f4058

#4a3f58

Triadic

#3f4058

#583f40

#40583f

Split-complementary

#3f4058

#584a3f

#4c583f

Tetradic

#3f4058

#573f58

#58573f

#40583f

Square

#3f4058

#583f4c

#58573f

#3f584a

Shades

Color #3f4058 mixed toward black.

#343549

#2a2b3b

#1f202c

#15151d

#0a0b0f

Tints

Color #3f4058 mixed toward white.

#58597b

#73759b

#9698b4

#b9bacd

#dcdde6

Tones

Color #3f4058 mixed toward gray.

#414256

#434454

#454652

#474850

#494a4e

Accessibility

Aa White text on this color

10.07:1

Aa Black text on this color

2.09:1

White text reads better on this background (10.07:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3f53 · ΔE 1.7

Deuteranopia

#3f3f52 · ΔE 2.1

Tritanopia

#3f4f4e · ΔE 17.1

Achromatopsia

#424242 · ΔE 12.2

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

Code

CSS

background-color: #3f4058;

Tailwind (arbitrary value)

bg-[#3f4058]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3f4058 (#3f4058) is rgb(63, 64, 88) in RGB.

No, #3f4058 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 #3f4058, or check how it holds up for accessibility.

Generate a palette → Check contrast