#243c63

Color #243c63

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.62 Nearest Tailwind class slate-700 #314158 · ΔE 5.2

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Conversions

HEX

#243c63

RGB

rgb(36, 60, 99)

HSL

hsl(217.1, 46.7%, 26.5%)

HSV / HSB

hsv(217.1, 63.6%, 38.8%)

CMYK

cmyk(63.6%, 39.4%, 0%, 61.2%)

LAB

lab(25.28, 4.2, -25.84)

LCH

lch(25.28, 26.18, 279.23)

OKLCH

oklch(35.7%, 0.0745, 259.72)

HWB

hwb(217.1, 14.1%, 61.2%)

Harmony colors

Complementary

#634b24

Analogous

#245c63

#243c63

#2b2463

Triadic

#243c63

#63243c

#3c6324

Split-complementary

#243c63

#632b24

#5c6324

Tetradic

#243c63

#4b2463

#634b24

#3c6324

Square

#243c63

#63245c

#634b24

#24632b

Shades

Color #243c63 mixed toward black.

#1e3253

#182842

#121e32

#0c1421

#060a11

Tints

Color #243c63 mixed toward white.

#355891

#4874bc

#7697cd

#a3bade

#d1dcee

Tones

Color #243c63 mixed toward gray.

#293d5e

#2f3f59

#344053

#39414e

#3e4249

Accessibility

Aa White text on this color

11.04:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#30305b · ΔE 7.3

Deuteranopia

#2f2d59 · ΔE 8.2

Tritanopia

#265553 · ΔE 22.3

Achromatopsia

#3c3c3c · ΔE 16.6

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

Code

CSS

background-color: #243c63;

Tailwind (arbitrary value)

bg-[#243c63]

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

#243c63 (#243c63) is rgb(36, 60, 99) in RGB.

No, #243c63 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 #243c63, or check how it holds up for accessibility.

Generate a palette → Check contrast