#1c3a73

Color #1c3a73

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.61 Nearest Tailwind class blue-900 #1c398e · ΔE 4.5

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

Conversions

HEX

#1c3a73

RGB

rgb(28, 58, 115)

HSL

hsl(219.3, 60.8%, 28%)

HSV / HSB

hsv(219.3, 75.7%, 45.1%)

CMYK

cmyk(75.7%, 49.6%, 0%, 54.9%)

LAB

lab(25.29, 10.43, -36.12)

LCH

lch(25.29, 37.6, 286.11)

OKLCH

oklch(35.9%, 0.1047, 261.76)

HWB

hwb(219.3, 11%, 54.9%)

Harmony colors

Complementary

#73551c

Analogous

#1c6573

#1c3a73

#291c73

Triadic

#1c3a73

#731c3a

#3a731c

Split-complementary

#1c3a73

#73291c

#65731c

Tetradic

#1c3a73

#551c73

#73551c

#3a731c

Square

#1c3a73

#731c65

#73551c

#1c7329

Shades

Color #1c3a73 mixed toward black.

#173060

#13274d

#0e1d39

#091326

#050a13

Tints

Color #1c3a73 mixed toward white.

#2853a4

#3a6ecf

#6b92db

#9db6e7

#cedbf3

Tones

Color #1c3a73 mixed toward gray.

#233c6c

#2a3e64

#32415d

#394356

#40454f

Accessibility

Aa White text on this color

11.04:1

Aa Black text on this color

1.9:1

White text reads better on this background (11.04:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2c2c69 · ΔE 6.9

Deuteranopia

#2a2866 · ΔE 7.9

Tritanopia

#1e5f5d · ΔE 26.7

Achromatopsia

#3c3c3c · ΔE 20.7

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

Code

CSS

background-color: #1c3a73;

Tailwind (arbitrary value)

bg-[#1c3a73]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1c3a73 (#1c3a73) is rgb(28, 58, 115) in RGB.

No, #1c3a73 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 #1c3a73, or check how it holds up for accessibility.

Generate a palette → Check contrast