#1c388c

Color #1c388c

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 9.54 Nearest Tailwind class blue-900 #1c398e · ΔE 0.4

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

Conversions

HEX

#1c388c

RGB

rgb(28, 56, 140)

HSL

hsl(225, 66.7%, 32.9%)

HSV / HSB

hsv(225, 80%, 54.9%)

CMYK

cmyk(80%, 60%, 0%, 45.1%)

LAB

lab(26.64, 21.97, -49.62)

LCH

lch(26.64, 54.27, 293.88)

OKLCH

oklch(37.6%, 0.1437, 265.65)

HWB

hwb(225, 11%, 45.1%)

Harmony colors

Complementary

#8c701c

Analogous

#1c708c

#1c388c

#381c8c

Triadic

#1c388c

#8c1c38

#388c1c

Split-complementary

#1c388c

#8c381c

#708c1c

Tetradic

#1c388c

#701c8c

#8c701c

#388c1c

Square

#1c388c

#8c1c70

#8c701c

#1c8c38

Shades

Color #1c388c mixed toward black.

#172f75

#13255d

#0e1c46

#09132f

#050917

Tints

Color #1c388c mixed toward white.

#254bbb

#4167d9

#708de3

#a0b3ec

#cfd9f6

Tones

Color #1c388c mixed toward gray.

#253d83

#2f4179

#384670

#414b67

#4b4f5d

Accessibility

Aa White text on this color

10.53:1

Aa Black text on this color

1.99:1

White text reads better on this background (10.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b7e · ΔE 5.3

Deuteranopia

#29277a · ΔE 6.4

Tritanopia

#1e716e · ΔE 32.9

Achromatopsia

#3f3f3f · ΔE 24.6

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

Code

CSS

background-color: #1c388c;

Tailwind (arbitrary value)

bg-[#1c388c]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1c388c (#1c388c) is rgb(28, 56, 140) in RGB.

No, #1c388c is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

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 #1c388c, or check how it holds up for accessibility.

Generate a palette → Check contrast