#1f257e

Jacksons Purple

Closest match (97% match)

Color formats

RGB

rgb(31, 37, 126)

Red, Green, Blue components

HSL

hsl(236, 61%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(75, 71, 0, 51)

Print color encoding

Luminance

0.031

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1f257e

#7e781f

Analogous (Adjacent)

#1f557e

#1f257e

#481f7e

Triadic

#1f257e

#7e1f25

#257e1f

Split complementary

#1f257e

#7e491f

#557e1f

Complete conversion table

HEX

#1F257E

RGB

rgb(31,37,126)

RGBA

rgba(31,37,126, 1)

HSL

hsl(236.21,60.51%,30.78%)

OKLCH (Modern CSS)

oklch(0.33 0.15 272.0)

CSS Variable

--color: #1f257e;

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

12.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.62

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1f257e#4c4d7e

ORIG

SIM

Deuteranopia (green)

#1f257e#423c7e

ORIG

SIM

Tritanopia (blue)

#1f257e#1f1f22

ORIG

SIM

Monochrome (color blind)

#1f257e#323038

Mixing guide

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

MIXING PALETTE

51%

48%

RYB PIGMENTS

Ivory black

Pigment

51%

Ultramarine blue

Pigment

48%

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)

3.1%

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.

Naval Adventures

#072688

Lost in Heaven

#002489

Long-Haul Flight

#002277

20000 Leagues Under the Sea

#191970

Pacifika

#7E781F

Meteorite

#481F7E

Blumine

#1F547E

Crown of Thorns

#7E1F25

Forest Green

#257E1F

Bull Shot

#7E491F

Blue Violet

#5F56B8

Stratos

#000048