#2573ff

Color #2573ff

A vivid, highly saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 11.41 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.1

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

Conversions

HEX

#2573ff

RGB

rgb(37, 115, 255)

HSL

hsl(218.5, 100%, 57.3%)

HSV / HSB

hsv(218.5, 85.5%, 100%)

CMYK

cmyk(85.5%, 54.9%, 0%, 0%)

LAB

lab(51.69, 28.32, -75.8)

LCH

lch(51.69, 80.92, 290.49)

OKLCH

oklch(59.3%, 0.2217, 261.15)

HWB

hwb(218.5, 14.5%, 0%)

Harmony colors

Complementary

#ffb125

Analogous

#25e0ff

#2573ff

#4425ff

Triadic

#2573ff

#ff2573

#73ff25

Split-complementary

#2573ff

#ff4425

#e0ff25

Tetradic

#2573ff

#b125ff

#ffb125

#73ff25

Square

#2573ff

#ff25e0

#ffb125

#25ff44

Shades

Color #2573ff mixed toward black.

#0057f4

#0046c3

#003492

#002361

#001131

Tints

Color #2573ff mixed toward white.

#4a8bff

#6ea2ff

#92b9ff

#b6d0ff

#dbe8ff

Tones

Color #2573ff mixed toward gray.

#3778ed

#4a7edb

#5c83c9

#6e88b6

#808da4

Accessibility

Aa White text on this color

4.22:1

Aa Black text on this color

4.97:1

Black text reads better on this background (4.97:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5253e7 · ΔE 12

Deuteranopia

#4e48e1 · ΔE 15

Tritanopia

#2dd2cc · ΔE 41.9

Achromatopsia

#7b7b7b · ΔE 28.7

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

Code

CSS

background-color: #2573ff;

Tailwind (arbitrary value)

bg-[#2573ff]

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

#2573ff (#2573ff) is rgb(37, 115, 255) in RGB.

No, #2573ff 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.

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #2573ff, or check how it holds up for accessibility.

Generate a palette → Check contrast