#2557a2

Color #2557a2

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.07 Nearest Tailwind class sky-800 #00598a · ΔE 6.3

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

Conversions

HEX

#2557a2

RGB

rgb(37, 87, 162)

HSL

hsl(216, 62.8%, 39%)

HSV / HSB

hsv(216, 77.2%, 63.5%)

CMYK

cmyk(77.2%, 46.3%, 0%, 36.5%)

LAB

lab(37.51, 10.7, -45.4)

LCH

lch(37.51, 46.64, 283.26)

OKLCH

oklch(46.5%, 0.1328, 258.58)

HWB

hwb(216, 14.5%, 36.5%)

Harmony colors

Complementary

#a27025

Analogous

#2595a2

#2557a2

#3125a2

Triadic

#2557a2

#a22557

#57a225

Split-complementary

#2557a2

#a23125

#95a225

Tetradic

#2557a2

#7025a2

#a27025

#57a225

Square

#2557a2

#a22595

#a27025

#25a231

Shades

Color #2557a2 mixed toward black.

#1f4887

#193a6c

#122b51

#0c1d36

#060e1b

Tints

Color #2557a2 mixed toward white.

#2f6ecc

#568ad8

#80a7e2

#abc5ec

#d5e2f5

Tones

Color #2557a2 mixed toward gray.

#2f5997

#3a5b8d

#445d83

#4f5f78

#59616e

Accessibility

Aa White text on this color

7.09:1

Aa Black text on this color

2.96:1

White text reads better on this background (7.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#404194 · ΔE 10.2

Deuteranopia

#3d3991 · ΔE 12.3

Tritanopia

#298885 · ΔE 30.7

Achromatopsia

#585858 · ΔE 22.9

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

Code

CSS

background-color: #2557a2;

Tailwind (arbitrary value)

bg-[#2557a2]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#2557a2 (#2557a2) is rgb(37, 87, 162) in RGB.

No, #2557a2 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 #2557a2, or check how it holds up for accessibility.

Generate a palette → Check contrast