#13233b

Color #13233b

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 18.46 Nearest Tailwind class slate-800 #1d293d · ΔE 2.6

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Conversions

HEX

#13233b

RGB

rgb(19, 35, 59)

HSL

hsl(216, 51.3%, 15.3%)

HSV / HSB

hsv(216, 67.8%, 23.1%)

CMYK

cmyk(67.8%, 40.7%, 0%, 76.9%)

LAB

lab(13.57, 2.24, -17.49)

LCH

lch(13.57, 17.63, 277.3)

OKLCH

oklch(25.6%, 0.0506, 258.25)

HWB

hwb(216, 7.5%, 76.9%)

Harmony colors

Complementary

#3b2b13

Analogous

#13373b

#13233b

#17133b

Triadic

#13233b

#3b1323

#233b13

Split-complementary

#13233b

#3b1713

#373b13

Tetradic

#13233b

#2b133b

#3b2b13

#233b13

Square

#13233b

#3b1337

#3b2b13

#133b17

Shades

Color #13233b mixed toward black.

#101d31

#0d1727

#0a121e

#060c14

#03060a

Tints

Color #13233b mixed toward white.

#254371

#3664a8

#5c88ca

#92b0dc

#c9d7ed

Tones

Color #13233b mixed toward gray.

#162438

#1a2434

#1d2531

#20262e

#24262a

Accessibility

Aa White text on this color

15.77:1

Aa Black text on this color

1.33:1

White text reads better on this background (15.77:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1b1b36 · ΔE 7

Deuteranopia

#1a1935 · ΔE 7.7

Tritanopia

#143231 · ΔE 17.7

Achromatopsia

#232323 · ΔE 12.7

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

Code

CSS

background-color: #13233b;

Tailwind (arbitrary value)

bg-[#13233b]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#13233b (#13233b) is rgb(19, 35, 59) in RGB.

No, #13233b 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 #13233b, or check how it holds up for accessibility.

Generate a palette → Check contrast