#1f548f

Blumine

Closest match (93% match)

Color formats

RGB

rgb(31, 84, 143)

Red, Green, Blue components

HSL

hsl(212, 64%, 34%)

Hue, Saturation, Lightness

CMYK

cmyk(78, 41, 0, 44)

Print color encoding

Luminance

0.086

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1f548f

#8f5a1f

Analogous (Adjacent)

#1f8c8f

#1f548f

#221f8f

Triadic

#1f548f

#8f1f54

#548f1f

Split complementary

#1f548f

#8f221f

#8c8f1f

Complete conversion table

HEX

#1F548F

RGB

rgb(31,84,143)

RGBA

rgba(31,84,143, 1)

HSL

hsl(211.61,64.37%,34.12%)

OKLCH (Modern CSS)

oklch(0.44 0.11 253.7)

CSS Variable

--color: #1f548f;

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

7.71

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.72

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1f548f#6e6f8f

ORIG

SIM

Deuteranopia (green)

#1f548f#48418f

ORIG

SIM

Tritanopia (blue)

#1f548f#22353b

ORIG

SIM

Monochrome (color blind)

#1f548f#535353

Mixing guide

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

MIXING PALETTE

51%

42%

RYB PIGMENTS

Ultramarine blue

Pigment

51%

Ivory black

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

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)

8.6%

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.

Blue Chip

#1D5699

Fist of the North Star

#225599

Galaxy Blue

#2D5284

Night Mode

#234E86

Rope

#8F5A1F

Jacksons Purple

#221F8F

Elm

#1F8C8F

Disco

#8F1F54

Vida Loca

#548F1F

Old Brick

#8F221F

Danube

#6189CA

Prussian Blue

#002558