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#837DCA Color

#837DCA is rgb(131, 125, 202) in RGB, hsl(245, 42%, 64%) in HSL, and about cmyk(35%, 38%, 0%, 21%) in CMYK. It has no registered color name of its own — the closest is Middle Blue Purple (#8B72BE), clearly related but distinguishable side by side at ΔE 7.3. Black text is the more readable choice on this background.

#837DCA
HEX#837DCA
RGBrgb(131, 125, 202)
HSLhsl(245, 42%, 64%)
HSVhsv(245, 38%, 79%)
CMYKcmyk(35%, 38%, 0%, 21%)
OKLCHoklch(62.7% 0.114 286.2)
LABlab(55.41% 16.22 -39.65)
LCHlch(55.41% 42.84 292.25)

What #837DCA 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 #837DCA, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Middle Blue Purple#8B72BEΔE 7.3Violet-blue (Crayola)#766EC8ΔE 9.51Purple Mountain Majesty#9678B6ΔE 12.24Lavender Purple#967BB6ΔE 12.77Amethyst (Crayola)#64609AΔE 15.3Heather#9E7BB5ΔE 15.42

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

#837DCA Channel Values

How #837DCA 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 131 · G 125 · B 2028-bit channels as sent to the display
HSLH 245° · S 42% · L 64%Easiest model for building lighter and darker variants
HSVH 245° · S 38% · V 79%Matches the picker in most design tools
CMYKC 35% · M 38% · Y 0% · K 21%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.65:1 vs white · 5.75:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #837DCA 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.

Fails AAWhite text3.65:1AA normal AA large AAA normal
TextBlack text5.75:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #837DCA in the contrast checker.

Colors That Go With #837DCA

Pairings derived from color-wheel relationships. The complementary color sits opposite #837DCA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#837DCA
Complementary
#C3CA7D
Analogous
#7D9DCA
Analogous
#AA7DCA
Triadic
#CA837D
Triadic
#7DCA83
Split comp.
#CAAA7D
Split comp.
#9DCA7D

Tints & Shades of #837DCA

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

#948FD1
#A5A1D9
#B7B3E0
#C4C1E6
#D6D4ED
#E7E6F5

Shades

#645CBC
#4E46AA
#3F388A
#322C6D
#231F4C
#16132F

Want a full 50-950 ramp with semantic roles? Generate design tokens from #837DCA.

How #837DCA 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#837DCA
Protanopia#7E7ECA
Protanomaly#807ECA
Deuteranopia#7F7FCA
Deuteranomaly#817ECA
Tritanopia#758A8A
Tritanomaly#7B85A7
Achromatopsia#868686

Test a full palette in the color blindness simulator.

Using #837DCA in Code

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

CSS custom property--color-837dca: #837DCA;
CSS backgroundbackground-color: #837DCA;
Tailwind configcolors: { 'color-837dca': '#837DCA' }
SwiftUIColor(red: 0.514, green: 0.490, blue: 0.792)
Android XML<color name="color_837dca">#837DCA</color>
SVG fillfill="#837DCA"

More Blue Colors

#837DCA sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#837DCA Frequently Asked Questions

What color is #837DCA?

#837DCA is a light blue — rgb(131, 125, 202) in RGB and hsl(245, 42%, 64%) in HSL. It carries no registered color name of its own; the closest named color is Middle Blue Purple (#8B72BE), which is clearly related but distinguishable side by side at a CIE76 distance of 7.3.

What is the RGB value of #837DCA?

#837DCA is rgb(131, 125, 202) — red 131, green 125, and blue 202 on the 0-255 scale.

What is the CMYK value of #837DCA?

#837DCA converts to approximately cmyk(35%, 38%, 0%, 21%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #837DCA be black or white?

Black text is the more readable choice. #837DCA scores 3.65:1 against white and 5.75:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #837DCA as a CSS color keyword?

No. #837DCA 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 cornflowerblue (#6495ED) at a CIE76 distance of 17.84, which is visibly different.

Open #837DCA 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.