#2553b8

Color #2553b8

A moderately saturated medium blue.

Closest named color Royal Blue #4169e1 · ΔE 13.15 Nearest Tailwind class blue-700 #1447e6 · ΔE 7.2

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

Conversions

HEX

#2553b8

RGB

rgb(37, 83, 184)

HSL

hsl(221.2, 66.5%, 43.3%)

HSV / HSB

hsv(221.2, 79.9%, 72.2%)

CMYK

cmyk(79.9%, 54.9%, 0%, 27.8%)

LAB

lab(37.91, 21.92, -57.79)

LCH

lch(37.91, 61.81, 290.77)

OKLCH

oklch(47.3%, 0.1679, 263.09)

HWB

hwb(221.2, 14.5%, 27.8%)

Harmony colors

Complementary

#b88a25

Analogous

#259cb8

#2553b8

#4025b8

Triadic

#2553b8

#b82553

#53b825

Split-complementary

#2553b8

#b84025

#9cb825

Tetradic

#2553b8

#8a25b8

#b88a25

#53b825

Square

#2553b8

#b8259c

#b88a25

#25b840

Shades

Color #2553b8 mixed toward black.

#1f4599

#19377b

#122a5c

#0c1c3d

#060e1f

Tints

Color #2553b8 mixed toward white.

#3669d7

#5f87df

#87a5e7

#afc3ef

#d7e1f7

Tones

Color #2553b8 mixed toward gray.

#3158ac

#3d5c9f

#4a6193

#566587

#626a7b

Accessibility

Aa White text on this color

6.98:1

Aa Black text on this color

3.01:1

White text reads better on this background (6.98:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#3e3ea7 · ΔE 8.4

Deuteranopia

#3b38a2 · ΔE 9.9

Tritanopia

#299793 · ΔE 37.1

Achromatopsia

#595959 · ΔE 25.9

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

Code

CSS

background-color: #2553b8;

Tailwind (arbitrary value)

bg-[#2553b8]

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

#2553b8 (#2553b8) is rgb(37, 83, 184) in RGB.

No, #2553b8 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 #2553b8, or check how it holds up for accessibility.

Generate a palette → Check contrast