#003f4f

Sherpa Blue

Closest match (94% match)

Color formats

RGB

rgb(0, 63, 79)

Red, Green, Blue components

HSL

hsl(192, 100%, 15%)

Hue, Saturation, Lightness

CMYK

cmyk(100, 20, 0, 69)

Print color encoding

Luminance

0.041

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#003f4f

#4f1000

Analogous (Adjacent)

#004f38

#003f4f

#00174f

Triadic

#003f4f

#4f003f

#3f4f00

Split complementary

#003f4f

#4f0018

#4f3700

Complete conversion table

HEX

#003F4F

RGB

rgb(0,63,79)

RGBA

rgba(0,63,79, 1)

HSL

hsl(192.15,100%,15.49%)

OKLCH (Modern CSS)

oklch(0.34 0.06 221.5)

CSS Variable

--color: #003f4f;

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

11.51

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

On black background

1.82

Small text (14pt)

The quick brown fox jumps over...

AAA

Large text or UI (18pt Bold)

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#003f4f#46464f

ORIG

SIM

Deuteranopia (green)

#003f4f#1d184f

ORIG

SIM

Tritanopia (blue)

#003f4f#031e21

ORIG

SIM

Monochrome (color blind)

#003f4f#393939

Mixing guide

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

MIXING PALETTE

69%

25%

RYB PIGMENTS

Ivory black

Pigment

69%

Ultramarine blue

Pigment

25%

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)

4.1%

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.

Cold and Dark

#154250

Maniac Mansion

#004058

Nordic Noir

#003344

Sunken Harbor

#1C3D44

Indian Tan

#4F1000

Stratos

#00174F

Aqua Deep

#004F37

Blackberry

#4F003F

Verdun Green

#3F4F00

Castro

#4F0018

Bismark

#427384

Swamp

#00121F