#4271ff

Color #4271ff

A vivid, highly saturated light blue.

Closest named color Royal Blue #4169e1 · ΔE 12.26 Nearest Tailwind class blue-500 #2b7fff · ΔE 5.8

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#4271ff

RGB

rgb(66, 113, 255)

HSL

hsl(225.1, 100%, 62.9%)

HSV / HSB

hsv(225.1, 74.1%, 100%)

CMYK

cmyk(74.1%, 55.7%, 0%, 0%)

LAB

lab(52.05, 32.08, -75.19)

LCH

lch(52.05, 81.75, 293.11)

OKLCH

oklch(59.8%, 0.2174, 266.02)

HWB

hwb(225.1, 25.9%, 0%)

Harmony colors

Complementary

#ffd042

Analogous

#42cfff

#4271ff

#7142ff

Triadic

#4271ff

#ff4271

#71ff42

Split-complementary

#4271ff

#ff7142

#cfff42

Tetradic

#4271ff

#d042ff

#ffd042

#71ff42

Square

#4271ff

#ff42cf

#ffd042

#42ff71

Shades

Color #4271ff mixed toward black.

#0c49ff

#0035d6

#0028a0

#001b6b

#000d35

Tints

Color #4271ff mixed toward white.

#6188ff

#81a0ff

#a0b8ff

#c0d0ff

#dfe7ff

Tones

Color #4271ff mixed toward gray.

#5279ef

#6181df

#7189d0

#8191c0

#9198b0

Accessibility

Aa White text on this color

4.17:1

Aa Black text on this color

5.04:1

Black text reads better on this background (5.04:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5a5ae7 · ΔE 8.8

Deuteranopia

#5754e1 · ΔE 10.7

Tritanopia

#45d1cc · ΔE 41.5

Achromatopsia

#7c7c7c · ΔE 28.8

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #4271ff;

Tailwind (arbitrary value)

bg-[#4271ff]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#4271ff (#4271ff) is rgb(66, 113, 255) in RGB.

No, #4271ff is not web-safe. The nearest web-safe colors are among its tones and shades below.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #4271ff, or check how it holds up for accessibility.

Generate a palette → Check contrast