#2b5bbb

Color #2b5bbb

A moderately saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 14.62 Nearest Tailwind class blue-600 #155dfc · ΔE 8

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Conversions

HEX

#2b5bbb

RGB

rgb(43, 91, 187)

HSL

hsl(220, 62.6%, 45.1%)

HSV / HSB

hsv(220, 77%, 73.3%)

CMYK

cmyk(77%, 51.3%, 0%, 26.7%)

LAB

lab(40.54, 18.46, -55.27)

LCH

lch(40.54, 58.27, 288.47)

OKLCH

oklch(49.4%, 0.1606, 262.23)

HWB

hwb(220, 16.9%, 26.7%)

Harmony colors

Complementary

#bb8b2b

Analogous

#2ba3bb

#2b5bbb

#432bbb

Triadic

#2b5bbb

#bb2b5b

#5bbb2b

Split-complementary

#2b5bbb

#bb432b

#a3bb2b

Tetradic

#2b5bbb

#8b2bbb

#bb8b2b

#5bbb2b

Square

#2b5bbb

#bb2ba3

#bb8b2b

#2bbb43

Shades

Color #2b5bbb mixed toward black.

#244c9c

#1d3d7d

#162e5d

#0e1e3e

#070f1f

Tints

Color #2b5bbb mixed toward white.

#4172d3

#678edc

#8daae5

#b3c7ee

#d9e3f6

Tones

Color #2b5bbb mixed toward gray.

#375faf

#4363a3

#4f6797

#5b6b8b

#676f7f

Accessibility

Aa White text on this color

6.33:1

Aa Black text on this color

3.32:1

White text reads better on this background (6.33:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#4545aa · ΔE 9.3

Deuteranopia

#423ea6 · ΔE 11.1

Tritanopia

#2f9b97 · ΔE 35.9

Achromatopsia

#606060 · ΔE 25.3

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

Code

CSS

background-color: #2b5bbb;

Tailwind (arbitrary value)

bg-[#2b5bbb]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#2b5bbb (#2b5bbb) is rgb(43, 91, 187) in RGB.

No, #2b5bbb 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 #2b5bbb, or check how it holds up for accessibility.

Generate a palette → Check contrast