#64a6bb

Fountain Blue

Closest match (93% match)

Color formats

RGB

rgb(100, 166, 187)

Red, Green, Blue components

HSL

hsl(194, 39%, 56%)

Hue, Saturation, Lightness

CMYK

cmyk(47, 11, 0, 27)

Print color encoding

Luminance

0.336

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#64a6bb

#bb7964

Analogous (Adjacent)

#64bba4

#64a6bb

#647abb

Triadic

#64a6bb

#bb64a6

#a6bb64

Split complementary

#64a6bb

#bb647a

#bba564

Complete conversion table

HEX

#64A6BB

RGB

rgb(100,166,187)

RGBA

rgba(100,166,187, 1)

HSL

hsl(194.48,39.01%,56.27%)

OKLCH (Modern CSS)

oklch(0.69 0.07 220.4)

CSS Variable

--color: #64a6bb;

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

2.72

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

7.71

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#64a6bb#afafbb

ORIG

SIM

Deuteranopia (green)

#64a6bb#837ebb

ORIG

SIM

Tritanopia (blue)

#64a6bb#677987

ORIG

SIM

Monochrome (color blind)

#64a6bb#9d9d9d

Mixing guide

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

MIXING PALETTE

59%

27%

14%

RYB PIGMENTS

Ultramarine blue

Pigment

59%

Titanium white

Pigment

27%

Cadmium yellow

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

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)

33.6%

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.

Surgical

#59A4C1

Frozen Wave

#56ACCA

Blue Eye Samurai

#75AEBD

Seaside

#66A4B0

Contessa

#BB7964

Ship Cove

#647ABB

Tradewind

#64BBA4

Fuchsia Pink

#BB64A6

Olive Green

#A6BB64

Tapestry

#BB647A

Sail

#A0E2F8

Calypso

#266E82