#3f4564

Color #3f4564

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 14.46 Nearest Tailwind class slate-700 #314158 · ΔE 6.2

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

Conversions

HEX

#3f4564

RGB

rgb(63, 69, 100)

HSL

hsl(230.3, 22.7%, 32%)

HSV / HSB

hsv(230.3, 37%, 39.2%)

CMYK

cmyk(37%, 31%, 0%, 60.8%)

LAB

lab(29.99, 5.99, -18.97)

LCH

lch(29.99, 19.89, 287.52)

OKLCH

oklch(39.9%, 0.053, 275.3)

HWB

hwb(230.3, 24.7%, 60.8%)

Harmony colors

Complementary

#645e3f

Analogous

#3f5864

#3f4564

#4c3f64

Triadic

#3f4564

#643f45

#45643f

Split-complementary

#3f4564

#644c3f

#58643f

Tetradic

#3f4564

#5e3f64

#645e3f

#45643f

Square

#3f4564

#643f58

#645e3f

#3f644c

Shades

Color #3f4564 mixed toward black.

#353a53

#2a2e43

#202332

#151721

#0b0c11

Tints

Color #3f4564 mixed toward white.

#555e88

#717aa6

#959bbc

#b8bcd2

#dcdee9

Tones

Color #3f4564 mixed toward gray.

#424761

#45495e

#484b5b

#4b4d58

#4f5055

Accessibility

Aa White text on this color

9.35:1

Aa Black text on this color

2.25:1

White text reads better on this background (9.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#42425e · ΔE 2.6

Deuteranopia

#41415c · ΔE 2.8

Tritanopia

#3f5857 · ΔE 19.9

Achromatopsia

#474747 · ΔE 14.2

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

Code

CSS

background-color: #3f4564;

Tailwind (arbitrary value)

bg-[#3f4564]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#3f4564 (#3f4564) is rgb(63, 69, 100) in RGB.

No, #3f4564 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 #3f4564, or check how it holds up for accessibility.

Generate a palette → Check contrast