#2b4ddd

Color #2b4ddd

A vivid, highly saturated medium blue.

Closest named color Medium Slate Blue #7b68ee · ΔE 16.67 Nearest Tailwind class blue-700 #1447e6 · ΔE 1.9

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

Conversions

HEX

#2b4ddd

RGB

rgb(43, 77, 221)

HSL

hsl(228.5, 72.4%, 51.8%)

HSV / HSB

hsv(228.5, 80.5%, 86.7%)

CMYK

cmyk(80.5%, 65.2%, 0%, 13.3%)

LAB

lab(39.65, 40.17, -76.38)

LCH

lch(39.65, 86.3, 297.74)

OKLCH

oklch(49.5%, 0.2215, 266.95)

HWB

hwb(228.5, 16.9%, 13.3%)

Harmony colors

Complementary

#ddbb2b

Analogous

#2ba6dd

#2b4ddd

#622bdd

Triadic

#2b4ddd

#dd2b4d

#4ddd2b

Split-complementary

#2b4ddd

#dd622b

#a6dd2b

Tetradic

#2b4ddd

#bb2bdd

#ddbb2b

#4ddd2b

Square

#2b4ddd

#dd2ba6

#ddbb2b

#2bdd62

Shades

Color #2b4ddd mixed toward black.

#1e3dbe

#183198

#122572

#0c184c

#060c26

Tints

Color #2b4ddd mixed toward white.

#4e6be3

#7288e8

#95a6ee

#b8c4f4

#dce1f9

Tones

Color #2b4ddd mixed toward gray.

#3a56ce

#4960bf

#5869b1

#6672a2

#757b93

Accessibility

Aa White text on this color

6.55:1

Aa Black text on this color

3.21:1

White text reads better on this background (6.55:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3c3dc6 · ΔE 5.6

Deuteranopia

#3a38c0 · ΔE 7.1

Tritanopia

#2db1ac · ΔE 44.8

Achromatopsia

#5d5d5d · ΔE 29.3

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

Code

CSS

background-color: #2b4ddd;

Tailwind (arbitrary value)

bg-[#2b4ddd]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#2b4ddd (#2b4ddd) is rgb(43, 77, 221) in RGB.

No, #2b4ddd 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 #2b4ddd, or check how it holds up for accessibility.

Generate a palette → Check contrast