#3f3939

Eclipse

ReadyTools Database (Exact)

Masala

~98% match

Color formats

RGB

rgb(63, 57, 57)

Red, Green, Blue components

HSL

hsl(0, 5%, 24%)

Hue, Saturation, Lightness

CMYK

cmyk(0, 10, 10, 75)

Print color encoding

Luminance

0.043

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3f3939

#393f3f

Analogous (Adjacent)

#3f393c

#3f3939

#3f3c39

Triadic

#3f3939

#393f39

#39393f

Split complementary

#3f3939

#393f3c

#393c3f

Complete conversion table

HEX

#3F3939

RGB

rgb(63,57,57)

RGBA

rgba(63,57,57, 1)

HSL

hsl(0,5%,23.53%)

OKLCH (Modern CSS)

oklch(0.35 0.01 17.6)

CSS Variable

--color: #3f3939;

Preview

Readability and Typography

Headline Test

This text demonstrates the reading experience on this background color.

Headline Test

This text demonstrates the reading experience on this background color.

UI Component Set

This is an example alert bar using the selected color.

SOLIDSOFTOUTLINE

Product Mockup

4582 •••• •••• 9018

CARDHOLDER

JOHN DOE

VALID

12/28

Mobile application

Customer support

Hi! How can we help you today?

I love this new color! 😍

Data visualization

Weekly growth

+1,240

12.5%

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

11.32

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.86

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3f3939#393939

ORIG

SIM

Deuteranopia (green)

#3f3939#3c3d39

ORIG

SIM

Tritanopia (blue)

#3f3939#3f363c

ORIG

SIM

Monochrome (color blind)

#3f3939#3a3a3a

Mixing guide

How to mix this color using physical paints or printing inks.

MIXING PALETTE

96%

RYB PIGMENTS

Ivory black

Pigment

96%

Cadmium red

Pigment

Unlike light, mixing paints makes colors darker. This simulation mimics the behavior of physical pigments.

Physical properties

Perceptual and light-related properties derived from the digital color.

Spectral relationship

Achromatic color

No single wavelength

750 nm

380 nm

Visual temperature

Neutral

A perceptual warm–cool classification. Kelvin does not apply to an arbitrary interface color.

Cool

Neutral

Warm

Luminance (brightness)

4.3%

Dark • relative luminance

50%

100%

An RGB color is produced by combined screen light, so this range is a visual comparison rather than an exact physical wavelength.

Gradient gallery

Generate premium CSS backgrounds and textures from your color.

Similar & Related Colors

Mathematically computed harmonies, shades, and similar tones for this color.

Black Truffle

#463D3E

Kilimanjaro

#3A3532

Moonless Night

#3C393D

Dead Pixel

#3B3A3A

Cape Cod

#393F3F

Masala

#3F3C39

Tundora

#3F393C

Lunar Green

#393F39

Tuna

#39393F

Cape Cod

#393F3C

Dove Gray

#736C6C

Night Rider

#110909