#377ba1

Color #377ba1

A moderately saturated medium blue.

Closest named color Steel Blue #4682b4 · ΔE 8.28 Nearest Tailwind class cyan-700 #007595 · ΔE 5.5

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Conversions

HEX

#377ba1

RGB

rgb(55, 123, 161)

HSL

hsl(201.5, 49.1%, 42.4%)

HSV / HSB

hsv(201.5, 65.8%, 63.1%)

CMYK

cmyk(65.8%, 23.6%, 0%, 36.9%)

LAB

lab(48.95, -9.2, -26.71)

LCH

lch(48.95, 28.25, 250.99)

OKLCH

oklch(55.6%, 0.0903, 236.15)

HWB

hwb(201.5, 21.6%, 36.9%)

Harmony colors

Complementary

#a15d37

Analogous

#37a192

#377ba1

#3746a1

Triadic

#377ba1

#a1377b

#7ba137

Split-complementary

#377ba1

#a13746

#a19237

Tetradic

#377ba1

#5d37a1

#a15d37

#7ba137

Square

#377ba1

#9237a1

#a15d37

#46a137

Shades

Color #377ba1 mixed toward black.

#2e6786

#25526b

#1c3e51

#122936

#09151b

Tints

Color #377ba1 mixed toward white.

#4996c1

#6dabcd

#92c0da

#b6d5e6

#dbeaf3

Tones

Color #377ba1 mixed toward gray.

#407998

#497690

#527487

#5a717e

#636f75

Accessibility

Aa White text on this color

4.66:1

Aa Black text on this color

4.51:1

White text reads better on this background (4.66:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#5c5d99 · ΔE 17.7

Deuteranopia

#585397 · ΔE 19.9

Tritanopia

#3d9291 · ΔE 17.6

Achromatopsia

#747474 · ΔE 17.8

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

Code

CSS

background-color: #377ba1;

Tailwind (arbitrary value)

bg-[#377ba1]

Related colors

Light Sky Blue #87cefa

Charcoal #36454f

Sky Blue #87ceeb

Steel Blue #4682b4

Deep Sky Blue #00bfff

Alice Blue #f0f8ff

Frequently asked questions

#377ba1 (#377ba1) is rgb(55, 123, 161) in RGB.

No, #377ba1 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 #377ba1, or check how it holds up for accessibility.

Generate a palette → Check contrast