#2552b1

Color #2552b1

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.6 Nearest Tailwind class blue-800 #193cb8 · ΔE 7.3

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

Conversions

HEX

#2552b1

RGB

rgb(37, 82, 177)

HSL

hsl(220.7, 65.4%, 42%)

HSV / HSB

hsv(220.7, 79.1%, 69.4%)

CMYK

cmyk(79.1%, 53.7%, 0%, 30.6%)

LAB

lab(37.12, 19.87, -54.95)

LCH

lch(37.12, 58.43, 289.88)

OKLCH

oklch(46.5%, 0.1597, 262.73)

HWB

hwb(220.7, 14.5%, 30.6%)

Harmony colors

Complementary

#b18425

Analogous

#2598b1

#2552b1

#3e25b1

Triadic

#2552b1

#b12552

#52b125

Split-complementary

#2552b1

#b13e25

#98b125

Tetradic

#2552b1

#8425b1

#b18425

#52b125

Square

#2552b1

#b12598

#b18425

#25b13e

Shades

Color #2552b1 mixed toward black.

#1f4494

#193776

#132959

#0c1b3b

#060e1e

Tints

Color #2552b1 mixed toward white.

#3367d4

#5c85dd

#85a4e5

#adc2ee

#d6e1f6

Tones

Color #2552b1 mixed toward gray.

#3156a5

#3c5a9a

#485f8e

#546382

#5f6777

Accessibility

Aa White text on this color

7.19:1

Aa Black text on this color

2.92:1

White text reads better on this background (7.19:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3d3ea0 · ΔE 8.3

Deuteranopia

#3b379c · ΔE 10.2

Tritanopia

#29928e · ΔE 35.8

Achromatopsia

#575757 · ΔE 25.3

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

Code

CSS

background-color: #2552b1;

Tailwind (arbitrary value)

bg-[#2552b1]

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

#2552b1 (#2552b1) is rgb(37, 82, 177) in RGB.

No, #2552b1 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.

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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 #2552b1, or check how it holds up for accessibility.

Generate a palette → Check contrast