#5187e4

Color #5187e4

A vivid, highly saturated light blue.

Closest named color Cornflower Blue #6495ed · ΔE 6.39 Nearest Tailwind class blue-500 #2b7fff · ΔE 3.6

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

Conversions

HEX

#5187e4

RGB

rgb(81, 135, 228)

HSL

hsl(218, 73.1%, 60.6%)

HSV / HSB

hsv(218, 64.5%, 89.4%)

CMYK

cmyk(64.5%, 40.8%, 0%, 10.6%)

LAB

lab(56.76, 11.19, -52.57)

LCH

lch(56.76, 53.75, 282.02)

OKLCH

oklch(63.1%, 0.1519, 260.56)

HWB

hwb(218, 31.8%, 10.6%)

Harmony colors

Complementary

#e4ae51

Analogous

#51d0e4

#5187e4

#6551e4

Triadic

#5187e4

#e45187

#87e451

Split-complementary

#5187e4

#e46551

#d0e451

Tetradic

#5187e4

#ae51e4

#e4ae51

#87e451

Square

#5187e4

#e451d0

#e4ae51

#51e465

Shades

Color #5187e4 mixed toward black.

#2568dd

#1c53b2

#153e86

#0e2959

#07152d

Tints

Color #5187e4 mixed toward white.

#6e9be8

#8bafed

#a8c3f1

#c5d7f6

#e2ebfa

Tones

Color #5187e4 mixed toward gray.

#5d8ad8

#6a8dcb

#7691bf

#8294b3

#8e97a7

Accessibility

Aa White text on this color

3.54:1

Aa Black text on this color

5.94:1

Black text reads better on this background (5.94:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#6d6dd2 · ΔE 12

Deuteranopia

#6965ce · ΔE 14.3

Tritanopia

#55c3bf · ΔE 32.2

Achromatopsia

#888888 · ΔE 24.4

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

Code

CSS

background-color: #5187e4;

Tailwind (arbitrary value)

bg-[#5187e4]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#5187e4 (#5187e4) is rgb(81, 135, 228) in RGB.

No, #5187e4 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.

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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 #5187e4, or check how it holds up for accessibility.

Generate a palette → Check contrast