#243c61

Color #243c61

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 18.34 Nearest Tailwind class slate-700 #314158 · ΔE 4.7

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Conversions

HEX

#243c61

RGB

rgb(36, 60, 97)

HSL

hsl(216.4, 45.9%, 26.1%)

HSV / HSB

hsv(216.4, 62.9%, 38%)

CMYK

cmyk(62.9%, 38.1%, 0%, 62%)

LAB

lab(25.17, 3.44, -24.73)

LCH

lch(25.17, 24.97, 277.92)

OKLCH

oklch(35.6%, 0.0714, 258.77)

HWB

hwb(216.4, 14.1%, 62%)

Harmony colors

Complementary

#614924

Analogous

#245b61

#243c61

#2b2461

Triadic

#243c61

#61243c

#3c6124

Split-complementary

#243c61

#612b24

#5b6124

Tetradic

#243c61

#492461

#614924

#3c6124

Square

#243c61

#61245b

#614924

#24612b

Shades

Color #243c61 mixed toward black.

#1e3251

#182841

#121e31

#0c1420

#060a10

Tints

Color #243c61 mixed toward white.

#35588f

#4875bb

#7698cc

#a3badd

#d1ddee

Tones

Color #243c61 mixed toward gray.

#293d5c

#2e3e57

#333f52

#38404d

#3d4148

Accessibility

Aa White text on this color

11.09:1

Aa Black text on this color

1.89:1

White text reads better on this background (11.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#30305a · ΔE 7.6

Deuteranopia

#2f2d58 · ΔE 8.5

Tritanopia

#265352 · ΔE 21.2

Achromatopsia

#3c3c3c · ΔE 16.1

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

Code

CSS

background-color: #243c61;

Tailwind (arbitrary value)

bg-[#243c61]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#243c61 (#243c61) is rgb(36, 60, 97) in RGB.

No, #243c61 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 #243c61, or check how it holds up for accessibility.

Generate a palette → Check contrast