#1f6581

Blumine

Closest match (95% match)

Color formats

RGB

rgb(31, 101, 129)

Red, Green, Blue components

HSL

hsl(197, 61%, 31%)

Hue, Saturation, Lightness

CMYK

cmyk(76, 22, 0, 49)

Print color encoding

Luminance

0.112

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1f6581

#813b1f

Analogous (Adjacent)

#1f816c

#1f6581

#1f3481

Triadic

#1f6581

#811f65

#65811f

Split complementary

#1f6581

#811f34

#816c1f

Complete conversion table

HEX

#1F6581

RGB

rgb(31,101,129)

RGBA

rgba(31,101,129, 1)

HSL

hsl(197.14,61.25%,31.37%)

OKLCH (Modern CSS)

oklch(0.48 0.08 229.1)

CSS Variable

--color: #1f6581;

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

6.49

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.24

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1f6581#717281

ORIG

SIM

Deuteranopia (green)

#1f6581#433c81

ORIG

SIM

Tritanopia (blue)

#1f6581#233d44

ORIG

SIM

Monochrome (color blind)

#1f6581#5e5e5e

Mixing guide

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

MIXING PALETTE

49%

42%

RYB PIGMENTS

Ivory black

Pigment

49%

Ultramarine blue

Pigment

42%

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)

11.2%

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.

Sea Goddess

#216987

Harem Silk

#006383

Blue Velvet

#0D6183

Copacabana

#006C8D

Red Robin

#813B1F

Jacksons Purple

#1F3481

Elm

#1F816C

Disco

#811F65

Olive Drab

#65811F

Crown of Thorns

#811F34

Hippie Blue

#5F9CBA

Prussian Blue

#00334C