#033b7c

Catalina Blue

Closest match (94% match)

Color formats

RGB

rgb(3, 59, 124)

Red, Green, Blue components

HSL

hsl(212, 95%, 25%)

Hue, Saturation, Lightness

CMYK

cmyk(98, 52, 0, 51)

Print color encoding

Luminance

0.046

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#033b7c

#7c4403

Analogous (Adjacent)

#03787c

#033b7c

#08037c

Triadic

#033b7c

#7c033b

#3b7c03

Split complementary

#033b7c

#7c0803

#787c03

Complete conversion table

HEX

#033B7C

RGB

rgb(3,59,124)

RGBA

rgba(3,59,124, 1)

HSL

hsl(212.23,95.28%,24.9%)

OKLCH (Modern CSS)

oklch(0.36 0.12 256.6)

CSS Variable

--color: #033b7c;

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

10.93

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.92

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#033b7c#58587c

ORIG

SIM

Deuteranopia (green)

#033b7c#30277c

ORIG

SIM

Tritanopia (blue)

#033b7c#061d21

ORIG

SIM

Monochrome (color blind)

#033b7c#3d3d3d

Mixing guide

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

MIXING PALETTE

51%

43%

RYB PIGMENTS

Ivory black

Pigment

51%

Ultramarine blue

Pigment

43%

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)

4.6%

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.

Tardis Blue

#003B6F

Lost in Space

#03386A

Pacific Depths

#004488

Maritime Outpost

#1E4581

Peru Tan

#7C4403

Navy Blue

#08037C

Blue Lagoon

#03787C

Siren

#7C033B

Verdun Green

#3B7C03

Dark Burgundy

#7C0703

San Marino

#516EB6

Stratos

#000D47