#152d4a

Nile Blue

Closest match (96% match)

Color formats

RGB

rgb(21, 45, 74)

Red, Green, Blue components

HSL

hsl(213, 56%, 19%)

Hue, Saturation, Lightness

CMYK

cmyk(72, 39, 0, 71)

Print color encoding

Luminance

0.025

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#152d4a

#4a3215

Analogous (Adjacent)

#15484a

#152d4a

#17154a

Triadic

#152d4a

#4a152d

#2d4a15

Split complementary

#152d4a

#4a1715

#484a15

Complete conversion table

HEX

#152D4A

RGB

rgb(21,45,74)

RGBA

rgba(21,45,74, 1)

HSL

hsl(212.83,55.79%,18.63%)

OKLCH (Modern CSS)

oklch(0.29 0.06 254.3)

CSS Variable

--color: #152d4a;

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

13.94

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.51

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#152d4a#3a3a4a

ORIG

SIM

Deuteranopia (green)

#152d4a#28254a

ORIG

SIM

Tritanopia (blue)

#152d4a#161e22

ORIG

SIM

Monochrome (color blind)

#152d4a#2c2c2c

Mixing guide

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

MIXING PALETTE

75%

22%

RYB PIGMENTS

Ivory black

Pigment

75%

Ultramarine blue

Pigment

22%

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)

2.5%

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.

Midnight Ocean

#0F2D4D

Beyond the Stars

#0A3251

Marine

#042E60

Midnight Mirage

#001F3F

Punga

#4A3215

Bunting

#17154A

Elephant

#15474A

Wine Berry

#4A152D

Clover

#2D4A15

Brown Derby

#4A1715

Blue Bayoux

#4A5E7F

Black Russian

#00001C