#1c1c37

Color #1c1c37

A muted very dark blue.

Closest named color Charcoal #36454f · ΔE 22.66 Nearest Tailwind class slate-900 #0f172b · ΔE 5.2

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

Conversions

HEX

#1c1c37

RGB

rgb(28, 28, 55)

HSL

hsl(240, 32.5%, 16.3%)

HSV / HSB

hsv(240, 49.1%, 21.6%)

CMYK

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

LAB

lab(11.64, 8.55, -17.65)

LCH

lch(11.64, 19.61, 295.85)

OKLCH

oklch(24.2%, 0.0509, 281.91)

HWB

hwb(240, 11%, 78.4%)

Harmony colors

Complementary

#37371c

Analogous

#1c2a37

#1c1c37

#2a1c37

Triadic

#1c1c37

#371c1c

#1c371c

Split-complementary

#1c1c37

#372a1c

#2a371c

Tetradic

#1c1c37

#371c37

#37371c

#1c371c

Square

#1c1c37

#371c2a

#37371c

#1c372a

Shades

Color #1c1c37 mixed toward black.

#17172e

#131325

#0e0e1c

#090912

#050509

Tints

Color #1c1c37 mixed toward white.

#343466

#4c4c95

#7272b7

#a1a1cf

#d0d0e7

Tones

Color #1c1c37 mixed toward gray.

#1e1e35

#212133

#232330

#25252e

#27272c

Accessibility

Aa White text on this color

16.53:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c32 · ΔE 2.1

Deuteranopia

#1c1c31 · ΔE 2.5

Tritanopia

#1c2d2c · ΔE 20

Achromatopsia

#1f1f1f · ΔE 14.6

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

Code

CSS

background-color: #1c1c37;

Tailwind (arbitrary value)

bg-[#1c1c37]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#1c1c37 (#1c1c37) is rgb(28, 28, 55) in RGB.

No, #1c1c37 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 #1c1c37, or check how it holds up for accessibility.

Generate a palette → Check contrast