#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.
#5540BFrgb(85, 64, 191)hsl(250, 50%, 50%)hsv(250, 66%, 75%)cmyk(55%, 66%, 0%, 25%)oklch(47.2% 0.189 284)lab(35.70% 36.06 -65.07)lch(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.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 85 · G 64 · B 191 | 8-bit channels as sent to the display |
| HSL | H 250° · S 50% · L 50% | Easiest model for building lighter and darker variants |
| HSV | H 250° · S 66% · V 75% | Matches the picker in most design tools |
| CMYK | C 55% · M 66% · Y 0% · K 25% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.31:1 vs white · 2.87:1 vs black | WCAG 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.
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.
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.
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.
#5540BF#4444BF#4B43BF#4848BF#4D45BF#315D5D#42538F#565656Using #5540BF in Code
Copy-ready declarations for the places this color usually ends up.
--color-5540bf: #5540BF;background-color: #5540BF;colors: { 'color-5540bf': '#5540BF' }Color(red: 0.333, green: 0.251, blue: 0.749)<color name="color_5540bf">#5540BF</color>fill="#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.