#285e8f

St Tropaz

Closest match (95% match)

Color formats

RGB

rgb(40, 94, 143)

Red, Green, Blue components

HSL

hsl(209, 56%, 36%)

Hue, Saturation, Lightness

CMYK

cmyk(72, 34, 0, 44)

Print color encoding

Luminance

0.104

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#285e8f

#8f5928

Analogous (Adjacent)

#288f8c

#285e8f

#282b8f

Triadic

#285e8f

#8f285e

#5e8f28

Split complementary

#285e8f

#8f282a

#8f8d28

Complete conversion table

HEX

#285E8F

RGB

rgb(40,94,143)

RGBA

rgba(40,94,143, 1)

HSL

hsl(208.54,56.28%,35.88%)

OKLCH (Modern CSS)

oklch(0.47 0.10 248.8)

CSS Variable

--color: #285e8f;

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

6.80

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.09

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#285e8f#74748f

ORIG

SIM

Deuteranopia (green)

#285e8f#4e478f

ORIG

SIM

Tritanopia (blue)

#285e8f#2b3d45

ORIG

SIM

Monochrome (color blind)

#285e8f#5b5b5b

Mixing guide

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

MIXING PALETTE

51%

41%

RYB PIGMENTS

Ultramarine blue

Pigment

51%

Ivory black

Pigment

41%

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

Blue hue

450–495 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)

10.4%

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.

Starry Night

#286492

Hyper Blue

#015F97

Mississippi River

#3B638C

Dark Blue

#315B7D

Kumera

#8F5928

Bay of Many

#282B8F

Lochinvar

#288F8D

Camelot

#8F285E

Olive Drab

#5E8F28

Burnt Umber

#8F282A

Danube

#6794CA

Prussian Blue

#002D58