#1a178f

Deep Koamaru

Closest match (97% match)

Color formats

RGB

rgb(26, 23, 143)

Red, Green, Blue components

HSL

hsl(242, 72%, 33%)

Hue, Saturation, Lightness

CMYK

cmyk(82, 84, 0, 44)

Print color encoding

Luminance

0.028

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1a178f

#8c8f17

Analogous (Adjacent)

#17508f

#1a178f

#56178f

Triadic

#1a178f

#8f1a17

#178f1a

Split complementary

#1a178f

#8f5617

#508f17

Complete conversion table

HEX

#1A178F

RGB

rgb(26,23,143)

RGBA

rgba(26,23,143, 1)

HSL

hsl(241.5,72.29%,32.55%)

OKLCH (Modern CSS)

oklch(0.32 0.18 270.6)

CSS Variable

--color: #1a178f;

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

13.43

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.56

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1a178f#4c4d8f

ORIG

SIM

Deuteranopia (green)

#1a178f#453d8f

ORIG

SIM

Tritanopia (blue)

#1a178f#1a1618

ORIG

SIM

Monochrome (color blind)

#1a178f#33294b

Mixing guide

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

MIXING PALETTE

56%

42%

RYB PIGMENTS

Ultramarine blue

Pigment

56%

Ivory black

Pigment

42%

Cadmium red

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)

2.8%

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.

Royal

#0C1793

Galactic Cruise

#111188

Nightly Expedition

#221188

Space Exploration

#001199

Trendy Green

#8C8F17

Seance

#56178F

Matisse

#17508F

Falu Red

#8F1A17

La Palma

#178F1A

Hawaiian Tan

#8F5617

Fuchsia Blue

#634ACB

Stratos

#000057