#2a5cab

Color #2a5cab

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.76 Nearest Tailwind class sky-800 #00598a · ΔE 7

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

Conversions

HEX

#2a5cab

RGB

rgb(42, 92, 171)

HSL

hsl(216.7, 60.6%, 41.8%)

HSV / HSB

hsv(216.7, 75.4%, 67.1%)

CMYK

cmyk(75.4%, 46.2%, 0%, 32.9%)

LAB

lab(39.72, 11.55, -47.19)

LCH

lch(39.72, 48.58, 283.75)

OKLCH

oklch(48.4%, 0.1377, 259.29)

HWB

hwb(216.7, 16.5%, 32.9%)

Harmony colors

Complementary

#ab792a

Analogous

#2a9dab

#2a5cab

#382aab

Triadic

#2a5cab

#ab2a5c

#5cab2a

Split-complementary

#2a5cab

#ab382a

#9dab2a

Tetradic

#2a5cab

#792aab

#ab792a

#5cab2a

Square

#2a5cab

#ab2a9d

#ab792a

#2aab38

Shades

Color #2a5cab mixed toward black.

#234d8f

#1c3d72

#152e56

#0e1f39

#070f1d

Tints

Color #2a5cab mixed toward white.

#3873ce

#608fd8

#88abe2

#b0c7ec

#d7e3f5

Tones

Color #2a5cab mixed toward gray.

#355fa0

#406196

#4a638b

#556680

#606875

Accessibility

Aa White text on this color

6.53:1

Aa Black text on this color

3.22:1

White text reads better on this background (6.53:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#45459c · ΔE 10.5

Deuteranopia

#423e99 · ΔE 12.3

Tritanopia

#2e908d · ΔE 31.7

Achromatopsia

#5e5e5e · ΔE 23.3

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

Code

CSS

background-color: #2a5cab;

Tailwind (arbitrary value)

bg-[#2a5cab]

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

#2a5cab (#2a5cab) is rgb(42, 92, 171) in RGB.

No, #2a5cab 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.

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 #2a5cab, or check how it holds up for accessibility.

Generate a palette → Check contrast