#1b71f7

Color #1b71f7

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 8.62 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.9

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

Conversions

HEX

#1b71f7

RGB

rgb(27, 113, 247)

HSL

hsl(216.5, 93.2%, 53.7%)

HSV / HSB

hsv(216.5, 89.1%, 96.9%)

CMYK

cmyk(89.1%, 54.3%, 0%, 3.1%)

LAB

lab(50.4, 26, -73.48)

LCH

lch(50.4, 77.94, 289.49)

OKLCH

oklch(58.1%, 0.2157, 259.94)

HWB

hwb(216.5, 10.6%, 3.1%)

Harmony colors

Complementary

#f7a11b

Analogous

#1bdff7

#1b71f7

#331bf7

Triadic

#1b71f7

#f71b71

#71f71b

Split-complementary

#1b71f7

#f7331b

#dff71b

Tetradic

#1b71f7

#a11bf7

#f7a11b

#71f71b

Square

#1b71f7

#f71bdf

#f7a11b

#1bf733

Shades

Color #1b71f7 mixed toward black.

#085bdc

#0649b0

#053784

#032458

#02122c

Tints

Color #1b71f7 mixed toward white.

#4189f8

#67a0fa

#8db8fb

#b3d0fc

#d9e7fe

Tones

Color #1b71f7 mixed toward gray.

#2d75e5

#4079d2

#527dc0

#6481ae

#77859b

Accessibility

Aa White text on this color

4.42:1

Aa Black text on this color

4.75:1

Black text reads better on this background (4.75:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4f4fe0 · ΔE 12.8

Deuteranopia

#4a44da · ΔE 15.7

Tritanopia

#25cbc6 · ΔE 41

Achromatopsia

#787878 · ΔE 28.3

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

Code

CSS

background-color: #1b71f7;

Tailwind (arbitrary value)

bg-[#1b71f7]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#1b71f7 (#1b71f7) is rgb(27, 113, 247) in RGB.

No, #1b71f7 is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

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

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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 #1b71f7, or check how it holds up for accessibility.

Generate a palette → Check contrast