#1284bb

Denim

Closest match (85% match)

Color formats

RGB

rgb(18, 132, 187)

Red, Green, Blue components

HSL

hsl(200, 82%, 40%)

Hue, Saturation, Lightness

CMYK

cmyk(90, 29, 0, 27)

Print color encoding

Luminance

0.202

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#1284bb

#bb4912

Analogous (Adjacent)

#12bb9d

#1284bb

#122fbb

Triadic

#1284bb

#bb1284

#84bb12

Split complementary

#1284bb

#bb1230

#bb9d12

Complete conversion table

HEX

#1284BB

RGB

rgb(18,132,187)

RGBA

rgba(18,132,187, 1)

HSL

hsl(199.53,82.44%,40.2%)

OKLCH (Modern CSS)

oklch(0.58 0.12 237.6)

CSS Variable

--color: #1284bb;

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

4.16

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

5.04

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#1284bb#9c9dbb

ORIG

SIM

Deuteranopia (green)

#1284bb#5045bb

ORIG

SIM

Tritanopia (blue)

#1284bb#18464e

ORIG

SIM

Monochrome (color blind)

#1284bb#7c7c7c

Mixing guide

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

MIXING PALETTE

64%

23%

13%

RYB PIGMENTS

Ultramarine blue

Pigment

64%

Ivory black

Pigment

23%

Cadmium yellow

Pigment

13%

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)

20.2%

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.

Mediterranean Blue

#1682B9

Forget-Me-Not

#0087BD

Mermaid Dreams

#0088BB

Honolulu Blue

#007FBF

Fiery Orange

#BB4912

Persian Blue

#122FBB

Mountain Meadow

#12BB9D

Red Violet

#BB1284

Lima

#84BB12

Shiraz

#BB1230

Malibu

#68BDF8

Orient

#004F81