#284297

Sapphire

Closest match (95% match)

Color formats

RGB

rgb(40, 66, 151)

Red, Green, Blue components

HSL

hsl(226, 58%, 37%)

Hue, Saturation, Lightness

CMYK

cmyk(74, 56, 0, 41)

Print color encoding

Luminance

0.066

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#284297

#977d28

Analogous (Adjacent)

#287997

#284297

#462897

Triadic

#284297

#972842

#429728

Split complementary

#284297

#974628

#7a9728

Complete conversion table

HEX

#284297

RGB

rgb(40,66,151)

RGBA

rgba(40,66,151, 1)

HSL

hsl(225.95,58.12%,37.45%)

OKLCH (Modern CSS)

oklch(0.41 0.14 267.0)

CSS Variable

--color: #284297;

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

9.07

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.32

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#284297#676897

ORIG

SIM

Deuteranopia (green)

#284297#514997

ORIG

SIM

Tritanopia (blue)

#284297#293036

ORIG

SIM

Monochrome (color blind)

#284297#494949

Mixing guide

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

MIXING PALETTE

60%

37%

RYB PIGMENTS

Ultramarine blue

Pigment

60%

Ivory black

Pigment

37%

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)

6.6%

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.

Cascade Twilight

#234893

Pacific Navy

#25488A

Nuit Blanche

#1E488F

Liquid Denim

#2D3796

Luxor Gold

#977D28

Daisy Bush

#462897

Jelly Bean

#287997

Stiletto

#972842

Forest Green

#429728

Cumin

#974528

Moody Blue

#6975D3

Midnight Blue

#00165F