#519bc0

Fountain Blue

Closest match (87% match)

Color formats

RGB

rgb(81, 155, 192)

Red, Green, Blue components

HSL

hsl(200, 47%, 54%)

Hue, Saturation, Lightness

CMYK

cmyk(58, 19, 0, 25)

Print color encoding

Luminance

0.290

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#519bc0

#c07651

Analogous (Adjacent)

#51c0ae

#519bc0

#5164c0

Triadic

#519bc0

#c0519b

#9bc051

Split complementary

#519bc0

#c05164

#c0ad51

Complete conversion table

HEX

#519BC0

RGB

rgb(81,155,192)

RGBA

rgba(81,155,192, 1)

HSL

hsl(200,46.84%,53.53%)

OKLCH (Modern CSS)

oklch(0.66 0.09 232.3)

CSS Variable

--color: #519bc0;

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

3.09

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

6.80

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#519bc0#abacc0

ORIG

SIM

Deuteranopia (green)

#519bc0#7972c0

ORIG

SIM

Tritanopia (blue)

#519bc0#556c78

ORIG

SIM

Monochrome (color blind)

#519bc0#939393

Mixing guide

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

MIXING PALETTE

72%

14%

RYB PIGMENTS

Ultramarine blue

Pigment

72%

Cadmium yellow

Pigment

14%

Titanium white

Pigment

14%

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)

29.0%

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.

Sub-Zero

#57A1CE

ReadyTools

#4BA2C2

Lake Lucerne

#689DB7

Canadian Tuxedo

#579ACA

Antique Brass

#C07651

Indigo

#5164C0

Puerto Rico

#51C0AE

Mulberry

#C0519B

Celery

#9BC051

Fuzzy Wuzzy Brown

#C05164

Anakiwa

#8FD6FD

Orient

#006486