#030c4e

Gulf Blue

Closest match (97% match)

Color formats

RGB

rgb(3, 12, 78)

Red, Green, Blue components

HSL

hsl(233, 93%, 16%)

Hue, Saturation, Lightness

CMYK

cmyk(96, 85, 0, 69)

Print color encoding

Luminance

0.008

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#030c4e

#4e4503

Analogous (Adjacent)

#03324e

#030c4e

#1f034e

Triadic

#030c4e

#4e030c

#0c4e03

Split complementary

#030c4e

#4e1f03

#324e03

Complete conversion table

HEX

#030C4E

RGB

rgb(3,12,78)

RGBA

rgba(3,12,78, 1)

HSL

hsl(232.8,92.59%,15.88%)

OKLCH (Modern CSS)

oklch(0.21 0.12 265.9)

CSS Variable

--color: #030c4e;

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

18.00

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.17

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#030c4e#292a4e

ORIG

SIM

Deuteranopia (green)

#030c4e#1f1a4e

ORIG

SIM

Tritanopia (blue)

#030c4e#030708

ORIG

SIM

Monochrome (color blind)

#030c4e#171717

Mixing guide

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

MIXING PALETTE

70%

29%

RYB PIGMENTS

Ivory black

Pigment

70%

Ultramarine blue

Pigment

29%

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)

0.8%

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.

Interstellar Blue

#001155

Storm

#000B44

Endless Galaxy

#000044

Space Colonization

#150F5B

Deep Bronze

#4E4503

Tolopea

#1F034E

Green Vogue

#03324E

Rustic Red

#4E030C

San Felix

#0C4E03

Indian Tan

#4E1F03

Minsk

#443984

Black Russian

#000021