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#859FFF Color

#859FFF is rgb(133, 159, 255) in RGB, hsl(227, 100%, 76%) in HSL, and about cmyk(48%, 38%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Cornflower Blue (#6495ED), clearly related but distinguishable side by side at ΔE 8.94. Black text is the more readable choice on this background.

#859FFF
HEX#859FFF
RGBrgb(133, 159, 255)
HSLhsl(227, 100%, 76%)
HSVhsv(227, 48%, 100%)
CMYKcmyk(48%, 38%, 0%, 0%)
OKLCHoklch(72.4% 0.143 271)
LABlab(66.62% 10.08 -51.37)
LCHlch(66.62% 52.35 281.10)

What #859FFF 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 #859FFF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Cornflower Blue#6495EDΔE 8.94Perano (Infinitely Hot)#94B1FFΔE 12United Nations Blue#5B92E5ΔE 12.17Blueberry#4F86F7ΔE 15.53Bleu de France#318CE7ΔE 16.62French Sky Blue#77B5FEΔE 18.12

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

#859FFF Channel Values

How #859FFF 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 133 · G 159 · B 2558-bit channels as sent to the display
HSLH 227° · S 100% · L 76%Easiest model for building lighter and darker variants
HSVH 227° · S 48% · V 100%Matches the picker in most design tools
CMYKC 48% · M 38% · Y 0% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance2.5:1 vs white · 8.4:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #859FFF 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 text2.5:1AA normal AA large AAA normal
TextBlack text8.4:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #859FFF in the contrast checker.

Colors That Go With #859FFF

Pairings derived from color-wheel relationships. The complementary color sits opposite #859FFF; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#859FFF
Complementary
#FFE485
Analogous
#85DCFF
Analogous
#A785FF
Triadic
#FF859F
Triadic
#9FFF85
Split comp.
#FFA785
Split comp.
#DCFF85

Tints & Shades of #859FFF

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

#94ABFF
#A3B7FF
#B3C3FF
#C7D3FF
#D6DFFF
#E5EBFF

Shades

#5277FF
#1A4BFF
#0032E6
#0027B3
#001C80
#000F47

Want a full 50-950 ramp with semantic roles? Generate design tokens from #859FFF.

How #859FFF 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#859FFF
Protanopia#9B9BFF
Protanomaly#939DFF
Deuteranopia#9797FF
Deuteranomaly#909AFF
Tritanopia#6CAFAF
Tritanomaly#77A9D4
Achromatopsia#A4A4A4

Test a full palette in the color blindness simulator.

Using #859FFF in Code

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

CSS custom property--color-859fff: #859FFF;
CSS backgroundbackground-color: #859FFF;
Tailwind configcolors: { 'color-859fff': '#859FFF' }
SwiftUIColor(red: 0.522, green: 0.624, blue: 1.000)
Android XML<color name="color_859fff">#859FFF</color>
SVG fillfill="#859FFF"

More Blue Colors

#859FFF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

000024fafaff00002ef9fafb000033f8fafc000038f8f8ff000042f5faff000047f5f5ff002147007dfa0f52ba1c39bb2a3439372aac4e3cc364609a7abdff979aaab8dbffd6d6ff

#859FFF Frequently Asked Questions

What color is #859FFF?

#859FFF is a light blue — rgb(133, 159, 255) in RGB and hsl(227, 100%, 76%) in HSL. It carries no registered color name of its own; the closest named color is Cornflower Blue (#6495ED), which is clearly related but distinguishable side by side at a CIE76 distance of 8.94.

What is the RGB value of #859FFF?

#859FFF is rgb(133, 159, 255) — red 133, green 159, and blue 255 on the 0-255 scale.

What is the CMYK value of #859FFF?

#859FFF converts to approximately cmyk(48%, 38%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #859FFF be black or white?

Black text is the more readable choice. #859FFF scores 2.5:1 against white and 8.4:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #859FFF as a CSS color keyword?

No. #859FFF 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 8.94, which is clearly related but distinguishable side by side.

Open #859FFF 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.