#1c1b28

Color #1c1b28

A muted very dark blue.

Closest named color Black #000000 · ΔE 14.18 Nearest Tailwind class mauve-900 #1d161e · ΔE 4.3

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

Conversions

HEX

#1c1b28

RGB

rgb(28, 27, 40)

HSL

hsl(244.6, 19.4%, 13.1%)

HSV / HSB

hsv(244.6, 32.5%, 15.7%)

CMYK

cmyk(30%, 32.5%, 0%, 84.3%)

LAB

lab(10.44, 4.18, -8.64)

LCH

lch(10.44, 9.6, 295.82)

OKLCH

oklch(23%, 0.025, 287.71)

HWB

hwb(244.6, 10.6%, 84.3%)

Harmony colors

Complementary

#27281b

Analogous

#1b2028

#1c1b28

#221b28

Triadic

#1c1b28

#281c1b

#1b281c

Split-complementary

#1c1b28

#28221b

#20281b

Tetradic

#1c1b28

#281b27

#27281b

#1b281c

Square

#1c1b28

#281b20

#27281b

#1b2822

Shades

Color #1c1b28 mixed toward black.

#171621

#13121b

#0e0d14

#09090d

#050407

Tints

Color #1c1b28 mixed toward white.

#3b3954

#5a5680

#7e7ba6

#a9a7c3

#d4d3e1

Tones

Color #1c1b28 mixed toward gray.

#1d1c27

#1e1d26

#1f1e25

#201f24

#202022

Accessibility

Aa White text on this color

16.98:1

Aa Black text on this color

1.24:1

White text reads better on this background (16.98:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#1c1c25 · ΔE 2.6

Deuteranopia

#1c1c25 · ΔE 2.6

Tritanopia

#1c2322 · ΔE 11.8

Achromatopsia

#1c1c1c · ΔE 8.6

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

Code

CSS

background-color: #1c1b28;

Tailwind (arbitrary value)

bg-[#1c1b28]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#1c1b28 (#1c1b28) is rgb(28, 27, 40) in RGB.

No, #1c1b28 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 #1c1b28, or check how it holds up for accessibility.

Generate a palette → Check contrast