#2578e4

Color #2578e4

A vivid, highly saturated medium blue.

Closest named color Dodger Blue #1e90ff · ΔE 9.78 Nearest Tailwind class blue-500 #2b7fff · ΔE 4.1

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

Conversions

HEX

#2578e4

RGB

rgb(37, 120, 228)

HSL

hsl(213.9, 78%, 52%)

HSV / HSB

hsv(213.9, 83.8%, 89.4%)

CMYK

cmyk(83.8%, 47.4%, 0%, 10.6%)

LAB

lab(51.18, 14.97, -61.58)

LCH

lch(51.18, 63.37, 283.66)

OKLCH

oklch(58.4%, 0.1817, 257.12)

HWB

hwb(213.9, 14.5%, 10.6%)

Harmony colors

Complementary

#e49125

Analogous

#25d8e4

#2578e4

#3225e4

Triadic

#2578e4

#e42578

#78e425

Split-complementary

#2578e4

#e43225

#d8e425

Tetradic

#2578e4

#9125e4

#e49125

#78e425

Square

#2578e4

#e425d8

#e49125

#25e432

Shades

Color #2578e4 mixed toward black.

#1863c5

#134f9d

#0f3c76

#0a284f

#051427

Tints

Color #2578e4 mixed toward white.

#498fe9

#6ea5ed

#92bcf2

#b6d2f6

#dbe9fb

Tones

Color #2578e4 mixed toward gray.

#357ad4

#457cc4

#557eb4

#6580a4

#758395

Accessibility

Aa White text on this color

4.3:1

Aa Black text on this color

4.89:1

Black text reads better on this background (4.89:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5556d0 · ΔE 14.5

Deuteranopia

#514acb · ΔE 17.7

Tritanopia

#2ebfbb · ΔE 36.1

Achromatopsia

#7a7a7a · ΔE 26.1

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

Code

CSS

background-color: #2578e4;

Tailwind (arbitrary value)

bg-[#2578e4]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Cornflower Blue #6495ed

Alice Blue #f0f8ff

Frequently asked questions

#2578e4 (#2578e4) is rgb(37, 120, 228) in RGB.

No, #2578e4 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 #2578e4, or check how it holds up for accessibility.

Generate a palette → Check contrast