#28657f

Calypso

Closest match (95% match)

Color formats

RGB

rgb(40, 101, 127)

Red, Green, Blue components

HSL

hsl(198, 52%, 33%)

Hue, Saturation, Lightness

CMYK

cmyk(69, 20, 0, 50)

Print color encoding

Luminance

0.113

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#28657f

#7f4228

Analogous (Adjacent)

#287f6d

#28657f

#283a7f

Triadic

#28657f

#7f2865

#657f28

Split complementary

#28657f

#7f283a

#7f6d28

Complete conversion table

HEX

#28657F

RGB

rgb(40,101,127)

RGBA

rgba(40,101,127, 1)

HSL

hsl(197.93,52.1%,32.75%)

OKLCH (Modern CSS)

oklch(0.48 0.07 229.4)

CSS Variable

--color: #28657f;

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

6.45

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

3.26

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#28657f#70717f

ORIG

SIM

Deuteranopia (green)

#28657f#48427f

ORIG

SIM

Tritanopia (blue)

#28657f#2b4148

ORIG

SIM

Monochrome (color blind)

#28657f#5e5e5e

Mixing guide

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

MIXING PALETTE

50%

41%

RYB PIGMENTS

Ivory black

Pigment

50%

Ultramarine blue

Pigment

41%

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)

11.3%

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.

Sea Goddess

#216987

Harem Silk

#006383

Blue Velvet

#0D6183

Chill of the Night

#256D8D

Nutmeg

#7F4228

Bay of Many

#283A7F

Lochinvar

#287F6D

Plum

#7F2865

Crete

#657F28

Tawny Port

#7F283A

Hippie Blue

#649CB8

Prussian Blue

#00334A