#31415b

Color #31415b

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 10.68 Nearest Tailwind class slate-700 #314158 · ΔE 1.3

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Conversions

HEX

#31415b

RGB

rgb(49, 65, 91)

HSL

hsl(217.1, 30%, 27.5%)

HSV / HSB

hsv(217.1, 46.2%, 35.7%)

CMYK

cmyk(46.2%, 28.6%, 0%, 64.3%)

LAB

lab(27.27, 1.41, -17.5)

LCH

lch(27.27, 17.56, 274.61)

OKLCH

oklch(37.3%, 0.0496, 259.89)

HWB

hwb(217.1, 19.2%, 64.3%)

Harmony colors

Complementary

#5b4b31

Analogous

#31565b

#31415b

#36315b

Triadic

#31415b

#5b3141

#415b31

Split-complementary

#31415b

#5b3631

#565b31

Tetradic

#31415b

#4b315b

#5b4b31

#415b31

Square

#31415b

#5b3156

#5b4b31

#315b36

Shades

Color #31415b mixed toward black.

#29364c

#212b3d

#19212e

#10161e

#080b0f

Tints

Color #31415b mixed toward white.

#475e83

#5f7ba9

#879cbe

#afbdd4

#d7dee9

Tones

Color #31415b mixed toward gray.

#354258

#384354

#3c4451

#3f444d

#43454a

Accessibility

Aa White text on this color

10.31:1

Aa Black text on this color

2.04:1

White text reads better on this background (10.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#393956 · ΔE 7.3

Deuteranopia

#383654 · ΔE 8.3

Tritanopia

#325150 · ΔE 17.1

Achromatopsia

#404040 · ΔE 12.6

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

Code

CSS

background-color: #31415b;

Tailwind (arbitrary value)

bg-[#31415b]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#31415b (#31415b) is rgb(49, 65, 91) in RGB.

No, #31415b is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #31415b, or check how it holds up for accessibility.

Generate a palette → Check contrast