#1c2137

Color #1c2137

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 18.53 Nearest Tailwind class slate-900 #0f172b · ΔE 3.5

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Conversions

HEX

#1c2137

RGB

rgb(28, 33, 55)

HSL

hsl(228.9, 32.5%, 16.3%)

HSV / HSB

hsv(228.9, 49.1%, 21.6%)

CMYK

cmyk(49.1%, 40%, 0%, 78.4%)

LAB

lab(13.29, 4.81, -15.05)

LCH

lch(13.29, 15.8, 287.72)

OKLCH

oklch(25.4%, 0.0423, 273.26)

HWB

hwb(228.9, 11%, 78.4%)

Harmony colors

Complementary

#37321c

Analogous

#1c2f37

#1c2137

#251c37

Triadic

#1c2137

#371c21

#21371c

Split-complementary

#1c2137

#37251c

#2f371c

Tetradic

#1c2137

#321c37

#37321c

#21371c

Square

#1c2137

#371c2f

#37321c

#1c3725

Shades

Color #1c2137 mixed toward black.

#171c2e

#131625

#0e111c

#090b12

#050609

Tints

Color #1c2137 mixed toward white.

#343d66

#4c5a95

#727eb7

#a1a9cf

#d0d4e7

Tones

Color #1c2137 mixed toward gray.

#1e2235

#212433

#232530

#25272e

#27282c

Accessibility

Aa White text on this color

15.88:1

Aa Black text on this color

1.32:1

White text reads better on this background (15.88:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1e1e33 · ΔE 2.3

Deuteranopia

#1e1e32 · ΔE 2.3

Tritanopia

#1c2f2e · ΔE 17.3

Achromatopsia

#222222 · ΔE 12.1

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

Code

CSS

background-color: #1c2137;

Tailwind (arbitrary value)

bg-[#1c2137]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#1c2137 (#1c2137) is rgb(28, 33, 55) in RGB.

No, #1c2137 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

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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 #1c2137, or check how it holds up for accessibility.

Generate a palette → Check contrast