#3f3751

Color #3f3751

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 15.03 Nearest Tailwind class mauve-700 #463947 · ΔE 5.5

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

Conversions

HEX

#3f3751

RGB

rgb(63, 55, 81)

HSL

hsl(258.5, 19.1%, 26.7%)

HSV / HSB

hsv(258.5, 32.1%, 31.8%)

CMYK

cmyk(22.2%, 32.1%, 0%, 68.2%)

LAB

lab(24.9, 9.81, -14.52)

LCH

lch(24.9, 17.52, 304.04)

OKLCH

oklch(35.6%, 0.0454, 298.15)

HWB

hwb(258.5, 21.6%, 68.2%)

Harmony colors

Complementary

#495137

Analogous

#373c51

#3f3751

#4c3751

Triadic

#3f3751

#513f37

#37513f

Split-complementary

#3f3751

#514c37

#3c5137

Tetradic

#3f3751

#513749

#495137

#37513f

Square

#3f3751

#51373c

#495137

#37514c

Shades

Color #3f3751 mixed toward black.

#352e44

#2a2536

#201c29

#15121b

#0b090e

Tints

Color #3f3751 mixed toward white.

#5c5076

#796b9a

#9b90b3

#bcb5cd

#dedae6

Tones

Color #3f3751 mixed toward gray.

#40394f

#413b4d

#423e4b

#424048

#434246

Accessibility

Aa White text on this color

11.19:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c4c · ΔE 6

Deuteranopia

#3c3d4a · ΔE 7.7

Tritanopia

#3f4746 · ΔE 17.7

Achromatopsia

#3b3b3b · ΔE 14.1

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

Code

CSS

background-color: #3f3751;

Tailwind (arbitrary value)

bg-[#3f3751]

Related colors

Medium Purple #9370db

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Slate Blue #6a5acd

Rebecca Purple #663399

Blue Violet #8a2be2

Frequently asked questions

#3f3751 (#3f3751) is rgb(63, 55, 81) in RGB.

No, #3f3751 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 #3f3751, or check how it holds up for accessibility.

Generate a palette → Check contrast