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#3724E0 Color

#3724E0 is rgb(55, 36, 224) in RGB, hsl(246, 75%, 51%) in HSL, and about cmyk(75%, 84%, 0%, 12%) in CMYK. It has no registered color name of its own — the closest is Medium Blue (#0000CD), clearly related but distinguishable side by side at ΔE 9.63. White text is the more readable choice on this background.

#3724E0
HEX#3724E0
RGBrgb(55, 36, 224)
HSLhsl(246, 75%, 51%)
HSVhsv(246, 84%, 88%)
CMYKcmyk(75%, 84%, 0%, 12%)
OKLCHoklch(44.9% 0.259 273.1)
LABlab(30.96% 54.05 -92.10)
LCHlch(30.96% 106.78 300.41)

What #3724E0 Is Called

Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #3724E0, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Medium Blue#0000CDΔE 9.63Palatinate Blue#273BE2ΔE 13.22Ultramarine Blue(caran D'ache)#2111EFΔE 14.14Han Purple#5218FAΔE 15.03Iridescent Indigo#3C32CDΔE 16.47Neon Blue#1B03A3ΔE 20.08

Browse the full index of named colors A-Z or every blue in the library.

#3724E0 Channel Values

How #3724E0 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 55 · G 36 · B 2248-bit channels as sent to the display
HSLH 246° · S 75% · L 51%Easiest model for building lighter and darker variants
HSVH 246° · S 84% · V 88%Matches the picker in most design tools
CMYKC 75% · M 84% · Y 0% · K 12%Approximate ink mix; confirm with an ICC profile before printing
Luminance8.43:1 vs white · 2.49:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #3724E0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text8.43:1AA normal AA large AAA normal
Fails AABlack text2.49:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #3724E0 in the contrast checker.

Colors That Go With #3724E0

Pairings derived from color-wheel relationships. The complementary color sits opposite #3724E0; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#3724E0
Complementary
#CDE024
Analogous
#246FE0
Analogous
#9524E0
Triadic
#E03724
Triadic
#24E037
Split comp.
#E09524
Split comp.
#6FE024

Tints & Shades of #3724E0

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#5444E4
#6C5EE8
#897EED
#A59DF1
#C2BCF5
#DAD7F9

Shades

#2D1CC4
#2718AA
#20148A
#180F6B
#110B4C
#0B0731

Want a full 50-950 ramp with semantic roles? Generate design tokens from #3724E0.

How #3724E0 Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#3724E0
Protanopia#2828E0
Protanomaly#2F26E0
Deuteranopia#2B2BE0
Deuteranomaly#3029E0
Tritanopia#005D5D
Tritanomaly#004CA3
Achromatopsia#4D4D4D

Test a full palette in the color blindness simulator.

Using #3724E0 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-3724e0: #3724E0;
CSS backgroundbackground-color: #3724E0;
Tailwind configcolors: { 'color-3724e0': '#3724E0' }
SwiftUIColor(red: 0.216, green: 0.141, blue: 0.878)
Android XML<color name="color_3724e0">#3724E0</color>
SVG fillfill="#3724E0"

More Blue Colors

#3724E0 sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#3724E0 Frequently Asked Questions

What color is #3724E0?

#3724E0 is a mid-tone blue — rgb(55, 36, 224) in RGB and hsl(246, 75%, 51%) in HSL. It carries no registered color name of its own; the closest named color is Medium Blue (#0000CD), which is clearly related but distinguishable side by side at a CIE76 distance of 9.63.

What is the RGB value of #3724E0?

#3724E0 is rgb(55, 36, 224) — red 55, green 36, and blue 224 on the 0-255 scale.

What is the CMYK value of #3724E0?

#3724E0 converts to approximately cmyk(75%, 84%, 0%, 12%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #3724E0 be black or white?

White text is the more readable choice. #3724E0 scores 8.43:1 against white and 2.49:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #3724E0 as a CSS color keyword?

No. #3724E0 is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is mediumblue (#0000CD) at a CIE76 distance of 9.63, which is clearly related but distinguishable side by side.

Open #3724E0 in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every blue in the color library, the guide to shades of blue, or the full color library.