#313951

Oxford Blue

Closest match (93% match)

Color formats

RGB

rgb(49, 57, 81)

Red, Green, Blue components

HSL

hsl(225, 25%, 25%)

Hue, Saturation, Lightness

CMYK

cmyk(40, 30, 0, 68)

Print color encoding

Luminance

0.042

Relative luminance

Variations

Shades (Darkening)

Tints (Lightening)

Tones (Reduced saturation)

Harmonies

Click the color slices to copy the code.

Complementary (Opposite)

#313951

#514931

Analogous (Adjacent)

#314951

#313951

#393151

Triadic

#313951

#513139

#395131

Split complementary

#313951

#513931

#495131

Complete conversion table

HEX

#313951

RGB

rgb(49,57,81)

RGBA

rgba(49,57,81, 1)

HSL

hsl(225,24.62%,25.49%)

OKLCH (Modern CSS)

oklch(0.35 0.04 269.9)

CSS Variable

--color: #313951;

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%

1D

1W

1M

WED

2,450

Contrast

Contrast and readability (WCAG)

On white background

11.45

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

On black background

1.83

AP

Small text (14pt)

The quick brown fox jumps over...

AA

AAA

Large text or UI (18pt Bold)

AA

AAA

Color blindness simulator

ORIG

SIM

Protanopia (red)

#313951#444451

ORIG

SIM

Deuteranopia (green)

#313951#3c3b51

ORIG

SIM

Tritanopia (blue)

#313951#313035

ORIG

SIM

Monochrome (color blind)

#313951#3a3a3a

Mixing guide

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

MIXING PALETTE

80%

19%

1%

RYB PIGMENTS

Ivory black

Pigment

80%

Ultramarine blue

Pigment

19%

Cadmium yellow

Pigment

1%

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)

4.2%

Dark • relative luminance

0%

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.

Medieval Blue

#2E3858

Dark & Stormy

#353F51

Pi

#314159

Lava Stone

#3C4151

Judge Gray

#514931

Martinique

#393151

Pickled Bluewood

#314951

Congo Brown

#513139

Tom Thumb

#395131

Rock

#513931

Storm Gray

#646C87

Blue Charcoal

#000821


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