#131731

Color #131731

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 21.27 Nearest Tailwind class slate-900 #0f172b · ΔE 3.7

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#131731

RGB

rgb(19, 23, 49)

HSL

hsl(232, 44.1%, 13.3%)

HSV / HSB

hsv(232, 61.2%, 19.2%)

CMYK

cmyk(61.2%, 53.1%, 0%, 80.8%)

LAB

lab(8.76, 7.35, -17.93)

LCH

lch(8.76, 19.38, 292.29)

OKLCH

oklch(21.6%, 0.0511, 274.72)

HWB

hwb(232, 7.5%, 80.8%)

Harmony colors

Complementary

#312d13

Analogous

#132631

#131731

#1e1331

Triadic

#131731

#311317

#173113

Split-complementary

#131731

#311e13

#263113

Tetradic

#131731

#2d1331

#312d13

#173113

Square

#131731

#311326

#312d13

#13311e

Shades

Color #131731 mixed toward black.

#101329

#0d0f21

#090b18

#060810

#030408

Tints

Color #131731 mixed toward white.

#283066

#3c499b

#606dc1

#959dd6

#caceea

Tones

Color #131731 mixed toward gray.

#15192e

#181b2c

#1a1c29

#1d1e27

#1f2024

Accessibility

Aa White text on this color

17.58:1

Aa Black text on this color

1.19:1

White text reads better on this background (17.58:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#15152c · ΔE 1.8

Deuteranopia

#15142b · ΔE 2.2

Tritanopia

#132827 · ΔE 20.1

Achromatopsia

#191919 · ΔE 14.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #131731;

Tailwind (arbitrary value)

bg-[#131731]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#131731 (#131731) is rgb(19, 23, 49) in RGB.

No, #131731 is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #131731, or check how it holds up for accessibility.

Generate a palette → Check contrast