#3801bc

Dark Blue

Closest match (97% match)

Color formats

RGB

rgb(56, 1, 188)

Red, Green, Blue components

HSL

hsl(258, 99%, 37%)

Hue, Saturation, Lightness

CMYK

cmyk(70, 99, 0, 26)

Print color encoding

Luminance

0.045

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#3801bc

#85bc01

Analogous (Adjacent)

#0127bc

#3801bc

#9501bc

Triadic

#3801bc

#bc3801

#01bc38

Split complementary

#3801bc

#bc9501

#27bc01

Complete conversion table

HEX

#3801BC

RGB

rgb(56,1,188)

RGBA

rgba(56,1,188, 1)

HSL

hsl(257.65,98.94%,37.06%)

OKLCH (Modern CSS)

oklch(0.39 0.24 278.1)

CSS Variable

--color: #3801bc;

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

11.06

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.90

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#3801bc#5355bc

ORIG

SIM

Deuteranopia (green)

#3801bc#6860bc

ORIG

SIM

Tritanopia (blue)

#3801bc#35191b

ORIG

SIM

Monochrome (color blind)

#3801bc#472c77

Mixing guide

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

MIXING PALETTE

57%

24%

20%

RYB PIGMENTS

Ultramarine blue

Pigment

57%

Ivory black

Pigment

24%

Cadmium red

Pigment

20%

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)

4.5%

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.

Galactic Highway

#3311BB

Busty Blue

#3300CC

Too Dark Tonight

#0011BB

True Blue

#010FCC

Pistachio

#85BC01

Purple

#9501BC

International Klein Blue

#0127BC

Fire

#BC3801

Malachite

#01BC38

Buddha Gold

#BC9501

Electric Violet

#8145FA

Navy Blue

#000081