#284b4f

Plantation

Closest match (94% match)

Color formats

RGB

rgb(40, 75, 79)

Red, Green, Blue components

HSL

hsl(186, 33%, 23%)

Hue, Saturation, Lightness

CMYK

cmyk(49, 5, 0, 69)

Print color encoding

Luminance

0.060

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#284b4f

#4f2c28

Analogous (Adjacent)

#284f40

#284b4f

#28384f

Triadic

#284b4f

#4f284b

#4b4f28

Split complementary

#284b4f

#4f2837

#4f4028

Complete conversion table

HEX

#284B4F

RGB

rgb(40,75,79)

RGBA

rgba(40,75,79, 1)

HSL

hsl(186.15,32.77%,23.33%)

OKLCH (Modern CSS)

oklch(0.39 0.04 205.1)

CSS Variable

--color: #284b4f;

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

9.50

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.21

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#284b4f#4d4d4f

ORIG

SIM

Deuteranopia (green)

#284b4f#36344f

ORIG

SIM

Tritanopia (blue)

#284b4f#2a343b

ORIG

SIM

Monochrome (color blind)

#284b4f#464646

Mixing guide

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

MIXING PALETTE

78%

17%

RYB PIGMENTS

Ivory black

Pigment

78%

Ultramarine blue

Pigment

17%

Cadmium yellow

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

Cyan hue

485–500 nm • closest visible-spectrum range

750 nm

380 nm

Visual temperature

Cool

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

Cool

Neutral

Warm

Luminance (brightness)

6.0%

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.

Mysterious Waters

#27454A

Emerald Forest

#224347

Little Mermaid

#2D454A

Nocturnal Expedition

#114C5A

Cowboy

#4F2C28

Pickled Bluewood

#28384F

Plantation

#284F40

Murasaki

#4F284B

Woodland

#4B4F28

Livid Brown

#4F2837

Cutty Sark

#5C8084

Swamp

#001C1F