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#5540BF Color

#5540BF is rgb(85, 64, 191) in RGB, hsl(250, 50%, 50%) in HSL, and about cmyk(55%, 66%, 0%, 25%) in CMYK. It has no registered color name of its own — the closest is Iris (#5A4FCF), clearly related but distinguishable side by side at ΔE 6.1. White text is the more readable choice on this background.

#5540BF
HEX#5540BF
RGBrgb(85, 64, 191)
HSLhsl(250, 50%, 50%)
HSVhsv(250, 66%, 75%)
CMYKcmyk(55%, 66%, 0%, 25%)
OKLCHoklch(47.2% 0.189 284)
LABlab(35.70% 36.06 -65.07)
LCHlch(35.70% 74.40 298.99)

What #5540BF 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 #5540BF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

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

#5540BF Channel Values

How #5540BF 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 85 · G 64 · B 1918-bit channels as sent to the display
HSLH 250° · S 50% · L 50%Easiest model for building lighter and darker variants
HSVH 250° · S 66% · V 75%Matches the picker in most design tools
CMYKC 55% · M 66% · Y 0% · K 25%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.31:1 vs white · 2.87:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #5540BF 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 text7.31:1AA normal AA large AAA normal
Fails AABlack text2.87:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #5540BF in the contrast checker.

Colors That Go With #5540BF

Pairings derived from color-wheel relationships. The complementary color sits opposite #5540BF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #5540BF

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

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #5540BF.

How #5540BF 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#5540BF
Protanopia#4444BF
Protanomaly#4B43BF
Deuteranopia#4848BF
Deuteranomaly#4D45BF
Tritanopia#315D5D
Tritanomaly#42538F
Achromatopsia#565656

Test a full palette in the color blindness simulator.

Using #5540BF in Code

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

CSS custom property--color-5540bf: #5540BF;
CSS backgroundbackground-color: #5540BF;
Tailwind configcolors: { 'color-5540bf': '#5540BF' }
SwiftUIColor(red: 0.333, green: 0.251, blue: 0.749)
Android XML<color name="color_5540bf">#5540BF</color>
SVG fillfill="#5540BF"

More Blue Colors

#5540BF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

#5540BF Frequently Asked Questions

What color is #5540BF?

#5540BF is a mid-tone blue — rgb(85, 64, 191) in RGB and hsl(250, 50%, 50%) in HSL. It carries no registered color name of its own; the closest named color is Iris (#5A4FCF), which is clearly related but distinguishable side by side at a CIE76 distance of 6.1.

What is the RGB value of #5540BF?

#5540BF is rgb(85, 64, 191) — red 85, green 64, and blue 191 on the 0-255 scale.

What is the CMYK value of #5540BF?

#5540BF converts to approximately cmyk(55%, 66%, 0%, 25%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #5540BF be black or white?

White text is the more readable choice. #5540BF scores 7.31:1 against white and 2.87:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #5540BF as a CSS color keyword?

No. #5540BF 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 slateblue (#6A5ACD) at a CIE76 distance of 12.65, which is visibly different.

Open #5540BF in a Tool

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