#1b4074

Color #1b4074

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.57 Nearest Tailwind class blue-900 #1c398e · ΔE 5.5

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Conversions

HEX

#1b4074

RGB

rgb(27, 64, 116)

HSL

hsl(215.1, 62.2%, 28%)

HSV / HSB

hsv(215.1, 76.7%, 45.5%)

CMYK

cmyk(76.7%, 44.8%, 0%, 54.5%)

LAB

lab(27.19, 6.5, -33.72)

LCH

lch(27.19, 34.34, 280.91)

OKLCH

oklch(37.4%, 0.0987, 257.48)

HWB

hwb(215.1, 10.6%, 54.5%)

Harmony colors

Complementary

#744f1b

Analogous

#1b6c74

#1b4074

#231b74

Triadic

#1b4074

#741b40

#40741b

Split-complementary

#1b4074

#74231b

#6c741b

Tetradic

#1b4074

#4f1b74

#744f1b

#40741b

Square

#1b4074

#741b6c

#744f1b

#1b7423

Shades

Color #1b4074 mixed toward black.

#163561

#122b4d

#0d203a

#091527

#040b13

Tints

Color #1b4074 mixed toward white.

#275ba5

#3878d1

#6a99dc

#9cbbe8

#cdddf3

Tones

Color #1b4074 mixed toward gray.

#22416c

#2a4265

#31445e

#394556

#40464f

Accessibility

Aa White text on this color

10.33:1

Aa Black text on this color

2.03:1

White text reads better on this background (10.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f6a · ΔE 8.8

Deuteranopia

#2d2a68 · ΔE 10

Tritanopia

#1e6260 · ΔE 25.3

Achromatopsia

#404040 · ΔE 19.5

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

Code

CSS

background-color: #1b4074;

Tailwind (arbitrary value)

bg-[#1b4074]

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

#1b4074 (#1b4074) is rgb(27, 64, 116) in RGB.

No, #1b4074 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 #1b4074, or check how it holds up for accessibility.

Generate a palette → Check contrast