#1b4785

Color #1b4785

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.69 Nearest Tailwind class blue-900 #1c398e · ΔE 5.8

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Conversions

HEX

#1b4785

RGB

rgb(27, 71, 133)

HSL

hsl(215.1, 66.3%, 31.4%)

HSV / HSB

hsv(215.1, 79.7%, 52.2%)

CMYK

cmyk(79.7%, 46.6%, 0%, 47.8%)

LAB

lab(30.48, 8.62, -39.08)

LCH

lch(30.48, 40.02, 282.44)

OKLCH

oklch(40.3%, 0.1147, 257.72)

HWB

hwb(215.1, 10.6%, 47.8%)

Harmony colors

Complementary

#85591b

Analogous

#1b7c85

#1b4785

#241b85

Triadic

#1b4785

#851b47

#47851b

Split-complementary

#1b4785

#85241b

#7c851b

Tetradic

#1b4785

#591b85

#85591b

#47851b

Square

#1b4785

#851b7c

#85591b

#1b8524

Shades

Color #1b4785 mixed toward black.

#163b6f

#122f59

#0d2443

#09182c

#040c16

Tints

Color #1b4785 mixed toward white.

#2561b6

#3d7dd8

#6e9ee2

#9ebeeb

#cfdff5

Tones

Color #1b4785 mixed toward gray.

#24497c

#2d4a73

#364c6b

#3e4d62

#474f59

Accessibility

Aa White text on this color

9.18:1

Aa Black text on this color

2.29:1

White text reads better on this background (9.18:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#33347a · ΔE 9.2

Deuteranopia

#312d77 · ΔE 11.1

Tritanopia

#1f6f6d · ΔE 27.4

Achromatopsia

#484848 · ΔE 21.2

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

Code

CSS

background-color: #1b4785;

Tailwind (arbitrary value)

bg-[#1b4785]

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

#1b4785 (#1b4785) is rgb(27, 71, 133) in RGB.

No, #1b4785 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 #1b4785, or check how it holds up for accessibility.

Generate a palette → Check contrast