#01183e

Midnight

Closest match (98% match)

Color formats

RGB

rgb(1, 24, 62)

Red, Green, Blue components

HSL

hsl(217, 97%, 12%)

Hue, Saturation, Lightness

CMYK

cmyk(98, 61, 0, 76)

Print color encoding

Luminance

0.010

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#01183e

#3e2701

Analogous (Adjacent)

#01373e

#01183e

#08013e

Triadic

#01183e

#3e0118

#183e01

Split complementary

#01183e

#3e0801

#373e01

Complete conversion table

HEX

#01183E

RGB

rgb(1,24,62)

RGBA

rgba(1,24,62, 1)

HSL

hsl(217.38,96.83%,12.35%)

OKLCH (Modern CSS)

oklch(0.22 0.08 258.5)

CSS Variable

--color: #01183e;

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

17.48

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.20

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#01183e#29293e

ORIG

SIM

Deuteranopia (green)

#01183e#18133e

ORIG

SIM

Tritanopia (blue)

#01183e#020c0d

ORIG

SIM

Monochrome (color blind)

#01183e#1a1a1a

Mixing guide

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

MIXING PALETTE

76%

22%

RYB PIGMENTS

Ivory black

Pigment

76%

Ultramarine blue

Pigment

22%

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

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)

1.0%

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.

Dark Eclipse

#112244

Infinite Night

#071037

Naval Night

#011C39

Midnight Mirage

#001F3F

Cola

#3E2701

Stratos

#08013E

Cyprus

#01373E

Toledo

#3E0118

Deep Fir

#183E01

Bean

#3E0801

East Bay

#3B4672

Black Russian

#000012