#1b54a1

Color #1b54a1

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.52 Nearest Tailwind class sky-800 #00598a · ΔE 6.1

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

Conversions

HEX

#1b54a1

RGB

rgb(27, 84, 161)

HSL

hsl(214.5, 71.3%, 36.9%)

HSV / HSB

hsv(214.5, 83.2%, 63.1%)

CMYK

cmyk(83.2%, 47.8%, 0%, 36.9%)

LAB

lab(36.26, 11.19, -46.83)

LCH

lch(36.26, 48.15, 283.44)

OKLCH

oklch(45.4%, 0.1379, 257.44)

HWB

hwb(214.5, 10.6%, 36.9%)

Harmony colors

Complementary

#a1681b

Analogous

#1b97a1

#1b54a1

#251ba1

Triadic

#1b54a1

#a11b54

#54a11b

Split-complementary

#1b54a1

#a1251b

#97a11b

Tetradic

#1b54a1

#681ba1

#a1681b

#54a11b

Square

#1b54a1

#a11b97

#a1681b

#1ba125

Shades

Color #1b54a1 mixed toward black.

#174686

#12386b

#0e2a51

#091c36

#050e1b

Tints

Color #1b54a1 mixed toward white.

#236ccf

#4788e0

#75a6e8

#a3c4f0

#d1e1f7

Tones

Color #1b54a1 mixed toward gray.

#265696

#31578b

#3d5980

#485b74

#535c69

Accessibility

Aa White text on this color

7.42:1

Aa Black text on this color

2.83:1

White text reads better on this background (7.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3c3c93 · ΔE 10.9

Deuteranopia

#38348f · ΔE 12.9

Tritanopia

#218784 · ΔE 31.3

Achromatopsia

#555555 · ΔE 23.2

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

Code

CSS

background-color: #1b54a1;

Tailwind (arbitrary value)

bg-[#1b54a1]

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

#1b54a1 (#1b54a1) is rgb(27, 84, 161) in RGB.

No, #1b54a1 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 #1b54a1, or check how it holds up for accessibility.

Generate a palette → Check contrast