#2564ab

Color #2564ab

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 18.45 Nearest Tailwind class sky-700 #0069a8 · ΔE 4

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

Conversions

HEX

#2564ab

RGB

rgb(37, 100, 171)

HSL

hsl(211.8, 64.4%, 40.8%)

HSV / HSB

hsv(211.8, 78.4%, 67.1%)

CMYK

cmyk(78.4%, 41.5%, 0%, 32.9%)

LAB

lab(41.92, 5.76, -43.69)

LCH

lch(41.92, 44.07, 277.51)

OKLCH

oklch(50.1%, 0.1299, 254.01)

HWB

hwb(211.8, 14.5%, 32.9%)

Harmony colors

Complementary

#ab6c25

Analogous

#25a7ab

#2564ab

#2925ab

Triadic

#2564ab

#ab2564

#64ab25

Split-complementary

#2564ab

#ab2925

#a7ab25

Tetradic

#2564ab

#6c25ab

#ab6c25

#64ab25

Square

#2564ab

#ab25a7

#ab6c25

#25ab29

Shades

Color #2564ab mixed toward black.

#1f538f

#194372

#133256

#0c2139

#06111d

Tints

Color #2564ab mixed toward white.

#307cd2

#5a96db

#83b1e4

#accbed

#d6e5f6

Tones

Color #2564ab mixed toward gray.

#3065a0

#3b6595

#47668a

#52677e

#5d6773

Accessibility

Aa White text on this color

6.02:1

Aa Black text on this color

3.49:1

White text reads better on this background (6.02:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#48499d · ΔE 13

Deuteranopia

#45409a · ΔE 15.4

Tritanopia

#2b928f · ΔE 29.4

Achromatopsia

#636363 · ΔE 22.2

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

Code

CSS

background-color: #2564ab;

Tailwind (arbitrary value)

bg-[#2564ab]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Light Steel Blue #b0c4de

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#2564ab (#2564ab) is rgb(37, 100, 171) in RGB.

No, #2564ab 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 #2564ab, or check how it holds up for accessibility.

Generate a palette → Check contrast