#5757FF Color

#5757FF is rgb(87, 87, 255) in RGB, hsl(240, 100%, 67%) in HSL, and about cmyk(66%, 66%, 0%, 0%) in CMYK. It has no registered color name of its own — the closest is Very Light Blue (#6666FF), visibly different at ΔE 10.39. White text is the more readable choice on this background.

#5757FF

HEX#5757FF

RGBrgb(87, 87, 255)

HSLhsl(240, 100%, 67%)

HSVhsv(240, 66%, 100%)

CMYKcmyk(66%, 66%, 0%, 0%)

OKLCHoklch(56.4% 0.242 275.4)

LABlab(45.65% 40.39 -85.23)

LCHlch(45.65% 94.32 295.36)

What #5757FF 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 #5757FF, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.

Very Light Blue#6666FFΔE 10.39 Palatinate Blue#273BE2ΔE 11.63 Majorelle Blue#6050DCΔE 15.05 Iridescent Indigo#3C32CDΔE 15.17 Philippine Sky Blue#0066FFΔE 16.43 Ultramarine Blue#4166F5ΔE 16.99

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

#5757FF Channel Values

How #5757FF 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 87 · G 87 · B 255	8-bit channels as sent to the display
HSL	H 240° · S 100% · L 67%	Easiest model for building lighter and darker variants
HSV	H 240° · S 66% · V 100%	Matches the picker in most design tools
CMYK	C 66% · M 66% · Y 0% · K 0%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	4.99:1 vs white · 4.21:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #5757FF 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 text4.99:1AA normal AA large AAA normal

Fails AABlack text4.21:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #5757FF in the contrast checker.

Colors That Go With #5757FF

Pairings derived from color-wheel relationships. The complementary color sits opposite #5757FF; 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 #5757FF

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 #5757FF.

How #5757FF 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#5757FF

Protanopia#5757FF

Protanomaly#5757FF

Deuteranopia#5757FF

Deuteranomaly#5757FF

Tritanopia#007E7E

Tritanomaly#2D71C0

Achromatopsia#707070

Test a full palette in the color blindness simulator.

Using #5757FF in Code

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

CSS custom property--color-5757ff: #5757FF;

CSS backgroundbackground-color: #5757FF;

Tailwind configcolors: { 'color-5757ff': '#5757FF' }

SwiftUIColor(red: 0.341, green: 0.341, blue: 1.000)

Android XML<color name="color_5757ff">#5757FF</color>

SVG fillfill="#5757FF"

More Blue Colors

#5757FF sits in the blue family. These are its neighbours across that family's full range, each with its own breakdown.

583eea 566371 5946b2 5649a7 5959de 54b9f8 5a4fcf 54626f 5b92e5 536878 5c5cff 5271ff 6ca0dc 8896a5 a3a3eb c4b4ff e2e8f0 000052 003399 030712 121254 1e90ff 2d14b8 3c69e7

#5757FF Frequently Asked Questions

What color is #5757FF?

#5757FF is a light blue — rgb(87, 87, 255) in RGB and hsl(240, 100%, 67%) in HSL. It carries no registered color name of its own; the closest named color is Very Light Blue (#6666FF), which is visibly different at a CIE76 distance of 10.39.

What is the RGB value of #5757FF?

#5757FF is rgb(87, 87, 255) — red 87, green 87, and blue 255 on the 0-255 scale.

What is the CMYK value of #5757FF?

#5757FF converts to approximately cmyk(66%, 66%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #5757FF be black or white?

White text is the more readable choice. #5757FF scores 4.99:1 against white and 4.21:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #5757FF as a CSS color keyword?

No. #5757FF 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 mediumslateblue (#7B68EE) at a CIE76 distance of 20.65, which is visibly different.

Open #5757FF in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

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