#243d64

Color #243d64

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.5 Nearest Tailwind class slate-700 #314158 · ΔE 5.1

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Conversions

HEX

#243d64

RGB

rgb(36, 61, 100)

HSL

hsl(216.6, 47.1%, 26.7%)

HSV / HSB

hsv(216.6, 64%, 39.2%)

CMYK

cmyk(64%, 39%, 0%, 60.8%)

LAB

lab(25.66, 3.9, -25.89)

LCH

lch(25.66, 26.18, 278.57)

OKLCH

oklch(36%, 0.0748, 258.98)

HWB

hwb(216.6, 14.1%, 60.8%)

Harmony colors

Complementary

#644b24

Analogous

#245d64

#243d64

#2b2464

Triadic

#243d64

#64243d

#3d6424

Split-complementary

#243d64

#642b24

#5d6424

Tetradic

#243d64

#4b2464

#644b24

#3d6424

Square

#243d64

#64245d

#644b24

#24642b

Shades

Color #243d64 mixed toward black.

#1e3353

#182943

#121f32

#0c1421

#060a11

Tints

Color #243d64 mixed toward white.

#345992

#4875bd

#7698ce

#a3bade

#d1ddef

Tones

Color #243d64 mixed toward gray.

#293e5f

#2f3f59

#344154

#39424f

#3f4349

Accessibility

Aa White text on this color

10.9:1

Aa Black text on this color

1.93:1

White text reads better on this background (10.9:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#31315c · ΔE 7.6

Deuteranopia

#2f2d5a · ΔE 8.5

Tritanopia

#265654 · ΔE 22.2

Achromatopsia

#3d3d3d · ΔE 16.6

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

Code

CSS

background-color: #243d64;

Tailwind (arbitrary value)

bg-[#243d64]

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

#243d64 (#243d64) is rgb(36, 61, 100) in RGB.

No, #243d64 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 #243d64, or check how it holds up for accessibility.

Generate a palette → Check contrast