#1b367d

Jacksons Purple

Closest match (92% match)

Color formats

RGB

rgb(27, 54, 125)

Red, Green, Blue components

HSL

hsl(223, 64%, 30%)

Hue, Saturation, Lightness

CMYK

cmyk(78, 57, 0, 51)

Print color encoding

Luminance

0.044

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1b367d

#7d621b

Analogous (Adjacent)

#1b677d

#1b367d

#311b7d

Triadic

#1b367d

#7d1b36

#367d1b

Split complementary

#1b367d

#7d311b

#677d1b

Complete conversion table

HEX

#1B367D

RGB

rgb(27,54,125)

RGBA

rgba(27,54,125, 1)

HSL

hsl(223.47,64.47%,29.8%)

OKLCH (Modern CSS)

oklch(0.36 0.13 264.9)

CSS Variable

--color: #1b367d;

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

11.23

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.87

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1b367d#55567d

ORIG

SIM

Deuteranopia (green)

#1b367d#3f387d

ORIG

SIM

Tritanopia (blue)

#1b367d#1c2529

ORIG

SIM

Monochrome (color blind)

#1b367d#3b3b3b

Mixing guide

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

MIXING PALETTE

51%

45%

RYB PIGMENTS

Ivory black

Pigment

51%

Ultramarine blue

Pigment

45%

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)

4.4%

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.

Twilight Express

#1C3378

Below the Surface

#0A2F7C

One Minute to Midnight

#003388

Atlantic Navy

#13336F

Kumera

#7D621B

Meteorite

#311B7D

Blumine

#1B677D

Claret

#7D1B36

La Palma

#367D1B

Mocha

#7D311B

Blue Violet

#5B68B7

Stratos

#000647