#1c397a

Color #1c397a

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.31 Nearest Tailwind class blue-900 #1c398e · ΔE 3.3

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

Conversions

HEX

#1c397a

RGB

rgb(28, 57, 122)

HSL

hsl(221.5, 62.7%, 29.4%)

HSV / HSB

hsv(221.5, 77%, 47.8%)

CMYK

cmyk(77%, 53.3%, 0%, 52.2%)

LAB

lab(25.5, 13.99, -40.23)

LCH

lch(25.5, 42.59, 289.18)

OKLCH

oklch(36.3%, 0.1164, 263.54)

HWB

hwb(221.5, 11%, 52.2%)

Harmony colors

Complementary

#7a5d1c

Analogous

#1c687a

#1c397a

#2e1c7a

Triadic

#1c397a

#7a1c39

#397a1c

Split-complementary

#1c397a

#7a2e1c

#687a1c

Tetradic

#1c397a

#5d1c7a

#7a5d1c

#397a1c

Square

#1c397a

#7a1c68

#7a5d1c

#1c7a2e

Shades

Color #1c397a mixed toward black.

#172f66

#132651

#0e1c3d

#091329

#050914

Tints

Color #1c397a mixed toward white.

#2750ab

#3c6ad2

#6d8fdd

#9db5e9

#cedaf4

Tones

Color #1c397a mixed toward gray.

#243c72

#2c3f6a

#334262

#3b455b

#434853

Accessibility

Aa White text on this color

10.96:1

Aa Black text on this color

1.92:1

White text reads better on this background (10.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2b6e · ΔE 6.4

Deuteranopia

#29276c · ΔE 7.4

Tritanopia

#1e6462 · ΔE 28.5

Achromatopsia

#3c3c3c · ΔE 22.1

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

Code

CSS

background-color: #1c397a;

Tailwind (arbitrary value)

bg-[#1c397a]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#1c397a (#1c397a) is rgb(28, 57, 122) in RGB.

No, #1c397a 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 #1c397a, or check how it holds up for accessibility.

Generate a palette → Check contrast