#1d4e52

Blue Dianne

Closest match (95% match)

Color formats

RGB

rgb(29, 78, 82)

Red, Green, Blue components

HSL

hsl(185, 48%, 22%)

Hue, Saturation, Lightness

CMYK

cmyk(65, 5, 0, 68)

Print color encoding

Luminance

0.063

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1d4e52

#52211d

Analogous (Adjacent)

#1d523c

#1d4e52

#1d3352

Triadic

#1d4e52

#521d4e

#4e521d

Split complementary

#1d4e52

#521d33

#523b1d

Complete conversion table

HEX

#1D4E52

RGB

rgb(29,78,82)

RGBA

rgba(29,78,82, 1)

HSL

hsl(184.53,47.75%,21.76%)

OKLCH (Modern CSS)

oklch(0.39 0.05 202.6)

CSS Variable

--color: #1d4e52;

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

9.28

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.26

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1d4e52#505052

ORIG

SIM

Deuteranopia (green)

#1d4e52#302d52

ORIG

SIM

Tritanopia (blue)

#1d4e52#1f3137

ORIG

SIM

Monochrome (color blind)

#1d4e52#474747

Mixing guide

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

MIXING PALETTE

73%

21%

RYB PIGMENTS

Ivory black

Pigment

73%

Ultramarine blue

Pigment

21%

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

Cyan hue

485–500 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)

6.3%

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.

Emerald Forest

#224347

Deep Sea Diver

#255C61

Mysterious Waters

#27454A

Nocturnal Expedition

#114C5A

Cocoa Bean

#52211D

Cloud Burst

#1D3352

Green Pea

#1D523B

Wine Berry

#521D4E

Thatch Green

#4E521D

Wine Berry

#521D33

Smalt Blue

#548387

Swamp

#001F22