#0100b8

Dark Blue

Closest match (98% match)

Color formats

RGB

rgb(1, 0, 184)

Red, Green, Blue components

HSL

hsl(240, 100%, 36%)

Hue, Saturation, Lightness

CMYK

cmyk(99, 100, 0, 28)

Print color encoding

Luminance

0.035

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#0100b8

#b7b800

Analogous (Adjacent)

#005bb8

#0100b8

#5d00b8

Triadic

#0100b8

#b80100

#00b801

Split complementary

#0100b8

#b85d00

#5bb800

Complete conversion table

HEX

#0100B8

RGB

rgb(1,0,184)

RGBA

rgba(1,0,184, 1)

HSL

hsl(240.33,100%,36.08%)

OKLCH (Modern CSS)

oklch(0.35 0.24 264.2)

CSS Variable

--color: #0100b8;

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

12.40

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.69

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#0100b8#5153b8

ORIG

SIM

Deuteranopia (green)

#0100b8#4538b8

ORIG

SIM

Tritanopia (blue)

#0100b8#010000

ORIG

SIM

Monochrome (color blind)

#0100b8#3a2572

Mixing guide

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

MIXING PALETTE

72%

28%

RYB PIGMENTS

Ultramarine blue

Pigment

72%

Ivory black

Pigment

28%

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)

3.5%

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.

Too Dark Tonight

#0011BB

Bohemian Blue

#0000AA

Cobalt

#030AA7

Dark Galaxy

#0018A8

Buddha Gold

#B7B800

Purple

#5D00B8

Endeavour

#005BB8

Guardsman Red

#B80100

Green

#00B801

Rose of Sharon

#B85D00

Electric Violet

#6A40F6

Navy Blue

#00007D