#115d82

Chathams Blue

Closest match (97% match)

Color formats

RGB

rgb(17, 93, 130)

Red, Green, Blue components

HSL

hsl(200, 77%, 29%)

Hue, Saturation, Lightness

CMYK

cmyk(87, 28, 0, 49)

Print color encoding

Luminance

0.096

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#115d82

#823611

Analogous (Adjacent)

#11826e

#115d82

#112482

Triadic

#115d82

#82115d

#5d8211

Split complementary

#115d82

#821124

#826e11

Complete conversion table

HEX

#115D82

RGB

rgb(17,93,130)

RGBA

rgba(17,93,130, 1)

HSL

hsl(199.65,76.87%,28.82%)

OKLCH (Modern CSS)

oklch(0.45 0.09 236.3)

CSS Variable

--color: #115d82;

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

7.21

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

2.91

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#115d82#6d6e82

ORIG

SIM

Deuteranopia (green)

#115d82#3b3382

ORIG

SIM

Tritanopia (blue)

#115d82#153339

ORIG

SIM

Monochrome (color blind)

#115d82#575757

Mixing guide

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

MIXING PALETTE

49%

43%

RYB PIGMENTS

Ivory black

Pigment

49%

Ultramarine blue

Pigment

43%

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)

9.6%

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.

Whale’s Tale

#115A82

Oceanic Motion

#1D5C83

Blue Velvet

#0D6183

Nautical Creatures

#295C7A

Copper Canyon

#823611

Deep Koamaru

#112482

Surfie Green

#11826E

Disco

#82115D

Vida Loca

#5D8211

Claret

#821124

Steel Blue

#5893BC

Prussian Blue

#002C4D